Bump versions by x.y.(z+1)
[unimgr.git] / legato-api / src / main / yang / mef-services.yang
index a0b81fdbda4da7dc79bcca4fb608a88dc39545af..869fb24a458e3356471497ae7fd3ebc3ccde3b92 100644 (file)
-module mef-services {\r
-  namespace "http://metroethernetforum.org/ns/yang/mef-services";\r
-  prefix mef-services;\r
-  import ietf-yang-types { prefix yang; }\r
-  import ietf-inet-types { prefix inet; }\r
-  import mef-types { prefix mef-types; }\r
-  import mef-global { prefix mef-global; }\r
-  import mef-interfaces { prefix mef-interfaces; }\r
-  organization "Metro Ethernet Forum";\r
-  contact\r
-    "Web URL: http://metroethernetforum.org/ E-mail: mibs@metroethernetforum.org\r
-    Postal: Metro Ethernet Forum 6033 W. Century Boulevard, Suite\r
-    1107 Los Angeles, CA 90045 U.S.A. Phone: +1 310-642-2800 Fax:\r
-    +1 310-642-2808";\r
-  description\r
-    "This module implements the Carrier Ethernet Services as defined\r
-    in MEF 10.3, MEF 6.2, and MEF 7.2. Reference Overview: A number\r
-    of base documents have been used to create the MEF Services YANG\r
-    Module. The following are the abbreviations for the baseline documents:\r
-    [RFC 6991] refers to IETF RFC 6991 'Common YANG Data Types', 2013-07-15\r
-    [RFC 6643] refers to IETF RFC 6643 'Translation of Structure of\r
-    Management Information Version 2 (SMIv2) MIB Modules to YANG Modules',\r
-    2011-11-25 [802.1AB] refers to 'Station and Media Access Control\r
-    Connectivity Discovery', IEEE 802.1AB-2009, September 2009 [802.1q]\r
-    refers to IEEE 802.1Q-2011 'IEEE Standard for Local and metropolitan\r
-    area networks --Media Access Control (MAC) Bridges and Virtual\r
-    Bridged Local Area Networks, August 2011 [802-2001] refers to\r
-    'IEEE Standard for Local and Metropolitan Area Networks: Overview\r
-    and Architecture', IEEE 802-2001, February 2002 [MEF10.3] refers\r
-    to MEF 10.3 'Ethernet Services Attributes Phase 3', October 2013\r
-    [MEF6.2] refers to MEF 6.2 'EVC Ethernet Services Defintions Phase\r
-    3', August 2014 [MEF40] refers to MEF 40 'UNI and EVC Definition\r
-    of Managed Objects', April 2013 [MEF45] refers to MEF 45 'Multi-CEN\r
-    L2CP', August 2014 [MEF7.2] refers to MEF 7.2 'Carrier Ethernet\r
-    Management Information Model', April 2013 [MEF7.3] refers to MEF\r
-    7.3 'Carrier Ethernet Management Information Model', Working Draft\r
-    #1 2015 [RFC 2737] refers to IETF RFC 2737 'Entity MIB (Version\r
-    2)', December 1999 [RFC 2863] refers to IETF RFC 2863 'The Interfaces\r
-    Group MIB', June 2000 [RFC 3419] refers to IETF RFC 3419 'Textual\r
-    Conventions for Transport Addresses', December 2002 [Y.1731] refers\r
-    to ITU-T Y.1731 'OAM functions and mechanisms for Ethernet based\r
-    networks', July 2011 [Q.840.1] refers to ITU-T Q.840.1 'Requirements\r
-    and analysis for NMS-EMS management interface of Ethernet over\r
-    Transport and Metro Ethernet Network(EoT/MEN)' March 2007";\r
-  revision 2015-05-26 {\r
-    description\r
-        "Formal Project Review Draft 1.";\r
-    reference "EVC Ethernet Services Definitions YANG Modules " +\r
-        "(MEF XX), TBD";\r
-  }\r
-\r
-  container mef-services {\r
-    description\r
-        "MEF Services";\r
-    list mef-service {\r
-      must "(not(/mef-global:mef-global/mef-global:svc-providers)" +\r
-            " and " +\r
-            "not(./sp-id)) or " +\r
-            "(/mef-global:mef-global/mef-global:svc-providers and " +\r
-            "./sp-id)" {\r
-        error-message "If the Service Providers list has been " +\r
-                "populated, a Service Provider ID must be " +\r
-                "configured for a Service.";\r
-        description\r
-                "A Service sees a single Service Provider. This must " +\r
-                "statement is effectively a 'mandatory true' when " +\r
-                "the Global Service Providers list is being used.";\r
-      }\r
-      key "svc-id";\r
-      unique "evc/evc-id";\r
-      unique "ipvc/ipvc-id";\r
-      description\r
-            "Metro Ethernet Forum's Ethernet Services.";\r
-      choice mef-service-choice {\r
-        case ipvc-choice {\r
-          container ipvc {\r
-            container unis {\r
-              list uni {\r
-                key "uni-id";\r
-                leaf uni-id {\r
-                  type leafref {\r
-                    path "/mef-interfaces:mef-interfaces/" +\r
-                                        "mef-interfaces:unis/mef-interfaces:uni/" +\r
-                                        "mef-interfaces:uni-id";\r
-                  }\r
-                }\r
-                leaf ip-uni-id {\r
-                  type mef-types:identifier45;\r
-                }\r
-\r
-                container evc-uni-ce-vlans {\r
-                  description\r
-                                    "EVC Per UNI CE-VLAN IDs.";\r
-                  list evc-uni-ce-vlan {\r
-                    key "vid";\r
-                    description\r
-                                        "A list of the CE-VLAN IDs mapped to this UNI " +\r
-                                        "for this EVC.";\r
-                    reference "[MEF10.3] Section 8.6.1, [R24] " +\r
-                                        "[R25], Section 9.10.2, Section 9.12, " +\r
-                                        "[R76], [R81].";\r
-                    leaf vid {\r
-                      type leafref {\r
-                        path "/mef-interfaces:mef-interfaces/" +\r
-                                                "mef-interfaces:unis/" +\r
-                                                "mef-interfaces:uni" +\r
-                                                "[mef-interfaces:uni-id = " +\r
-                                                "current()/../../../uni-id]" +\r
-                                                "/mef-interfaces:ce-vlans/" +\r
-                                                "mef-interfaces:ce-vlan/" +\r
-                                                "mef-interfaces:vid";\r
-                      }\r
-                      description\r
-                                            "VLAN Identifier.";\r
-                    }\r
-                  }\r
-                }\r
-              }\r
-            }\r
-\r
-            leaf ipvc-id {\r
-              type mef-types:evc-id-type;\r
-              mandatory true;\r
-            }\r
-            leaf ipvc-type {\r
-              type mef-types:ipvc-type;\r
-\r
-              mandatory true;\r
-              description\r
-                            "This IPVC attribute describes the IPVC as either " +\r
-                            "Cloud-access, Multipoint, or " +\r
-                            "Rooted-Multipoint.";\r
-            }\r
-          }\r
-        }\r
-        case evc-choice {\r
-          container evc {\r
-\r
-            must "not(sls-uni-inclusions) or " +\r
-                        "(sls-uni-inclusions and not(sls-uni-exclusions))" {\r
-              error-message "The EVC Performance SLS Exclusions and " +\r
-                            "Inclusions List cannot both be configured for " +\r
-                            "an EVC.";\r
-              description\r
-                            "The EVC Performance SLS Exclusions and Inclusions " +\r
-                            "List cannot both be configured for an EVC.";\r
-            }\r
-            must "(evc-type != 'rooted-multipoint') or " +\r
-                        "((evc-type = 'rooted-multipoint') and " +\r
-                        "not(sls-uni-exclusions) )" {\r
-              error-message "If EVC Type is Rooted-Multipoint, " +\r
-                            "sls-uni-inclusions must be used instead of " +\r
-                            "sls-uni-exclusions.";\r
-              description\r
-                            "If EVC Type is Rooted-Multipoint, " +\r
-                            "sls-uni-inclusions must be used instead of " +\r
-                            "sls-uni-exclusions.";\r
-            }\r
-            description\r
-                        "Ethernet Virtual Circuit(EVC) Configuration and Status.";\r
-            container unis {\r
-              description\r
-                            "EVC Per Universal Network Interface(UNI) " +\r
-                            "Configuration and Status.";\r
-              list uni {\r
-                must "not(evc-uni-ce-vlans/evc-uni-ce-vlan[2]) or " +\r
-                                "../../preserve-ce-vlan-id = 'true'" {\r
-                  error-message "When more than one CE-VLAN-ID is " +\r
-                                    "mapped to an EVC at a UNI, the EVC must have " +\r
-                                    "CE-VLAN ID Preservation Enabled.";\r
-                  description\r
-                                    "When more than one CE-VLAN-ID is mapped to " +\r
-                                    "an EVC at a UNI, the EVC must have CE-VLAN ID " +\r
-                                    "Preservation Enabled.";\r
-                }\r
-                must "/mef-interfaces:mef-interfaces/mef-interfaces:" +\r
-                                "unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                                "max-svc-frame-size >= current()/../../" +\r
-                                "mef-services:max-svc-frame-size]" {\r
-                  error-message "The value of the EVC Maximum " +\r
-                                    "Service Frame Size must be less than " +\r
-                                    "or equal to all the UNI Maximum Service " +\r
-                                    "Frame Sizes.";\r
-                  description\r
-                                    "The value of the EVC Maximum Service Frame " +\r
-                                    "Size must be less than or equal to all the " +\r
-                                    "UNI Maximum Service Frame Sizes.";\r
-                }\r
-                must "(/mef-interfaces:mef-interfaces/mef-interfaces:" +\r
-                                "unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                                "bundling-enabled = 'true']) or " +\r
-                                "(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                                "all-to-one-bundling-enabled = 'true']) or " +\r
-                                "not(evc-uni-ce-vlans/evc-uni-ce-vlan[2])" {\r
-                  error-message "If both Bundling and All-to-One " +\r
-                                    "Bundling are disabled for a UNI, only one " +\r
-                                    "CE VLAN ID can be configured for a specific " +\r
-                                    "EVC on that UNI.";\r
-                  description\r
-                                    "If both Bundling and All-to-One Bundling are " +\r
-                                    "disabled for a UNI, only one CE VLAN ID can be " +\r
-                                    "configured for a specific EVC on that UNI.";\r
-                }\r
-                must "(/mef-interfaces:mef-interfaces/mef-interfaces:" +\r
-                                "unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                                "all-to-one-bundling-enabled = 'false']) or " +\r
-                                "(count(/mef-services:mef-services/" +\r
-                                "mef-service/evc/unis/uni[uni-id = " +\r
-                                "current()/uni-id]) = 1)" {\r
-                  error-message "If All-to-One Bundling is enabled " +\r
-                                    "for any UNI in an EVC, all CE-VLAN IDs " +\r
-                                    "mapped to any EVC for that UNI must map " +\r
-                                    "to the same EVC ID.";\r
-                  description\r
-                                    "If All-to-One Bundling is enabled for any UNI " +\r
-                                    "in an EVC, all CE-VLAN IDs mapped to any EVC " +\r
-                                    "for that UNI must map to the same EVC ID.";\r
-                }\r
-                must "((/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                                "ingress-bw-profile-per-uni]) or " +\r
-                                "(/mef-services:mef-services/mef-service/" +\r
-                                "evc/unis/uni" +\r
-                                "[uni-id = current()/mef-services:uni-id]" +\r
-                                "/ingress-bwp-flows-per-cos) or " +\r
-                                "(/mef-services:mef-services/mef-service/" +\r
-                                "evc/unis/uni" +\r
-                                "[uni-id = current()/mef-services:uni-id]" +\r
-                                "/ingress-bw-profile-per-evc)) or " +\r
-                                "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-envelopes)" {\r
-                  error-message "If no Ingress Bandwidth Profiles " +\r
-                                    "are specied for this UNI (BW Profile " +\r
-                                    "Per UNI, BWP Flows Per CoS, nor BW Profile " +\r
-                                    "Per EVC), then the UNI Ingress Envelopes " +\r
-                                    "list must be empty.";\r
-                  description\r
-                                    "If no Ingress Bandwidth Profiles are specied " +\r
-                                    "for this UNI (BW Profile Per UNI, BWP Flows " +\r
-                                    "Per CoS, nor BW Profile Per EVC), then the " +\r
-                                    "UNI Ingress Envelopes list must be empty.";\r
-                }\r
-                must "((/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                                "egress-bw-profile-per-uni]) or " +\r
-                                "(/mef-services:mef-services/mef-service/" +\r
-                                "evc/unis/uni" +\r
-                                "[uni-id = current()/mef-services:uni-id]" +\r
-                                "/egress-bwp-flows-per-eec) or " +\r
-                                "(/mef-services:mef-services/mef-service/" +\r
-                                "evc/unis/uni" +\r
-                                "[uni-id = current()/mef-services:uni-id]" +\r
-                                "/egress-bw-profile-per-evc)) or " +\r
-                                "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-envelopes)" {\r
-                  error-message "If no Egress Bandwidth Profiles are " +\r
-                                    "specied for this UNI (BW Profile Per UNI, " +\r
-                                    "BWP Flows Per EEC, nor BW Profile Per EVC), " +\r
-                                    "then the UNI Egress Envelopes list must be " +\r
-                                    "empty.";\r
-                  description\r
-                                    "If no Egress Bandwidth Profiles are specied " +\r
-                                    "for this UNI (BW Profile Per UNI, BWP Flows " +\r
-                                    "Per EEC, nor BW Profile Per EVC), then the UNI " +\r
-                                    "Egress Envelopes list must be empty.";\r
-                }\r
-                must "not(./ingress-bw-profile-per-evc) or " +\r
-                                "((./ingress-bw-profile-per-evc) and " +\r
-                                "not(./ingress-bwp-flows-per-cos))" {\r
-                  error-message "If there is a per EVC Ingress " +\r
-                                    "Bandwidth Profile on an EVC, then there " +\r
-                                    "cannot be any per Class of Service Ingress " +\r
-                                    "Bandwidth Profiles on that EVC.";\r
-                  description\r
-                                    "If there is a per EVC Ingress Bandwidth Profile " +\r
-                                    "on an EVC, then there cannot be any per " +\r
-                                    "Class of Service Ingress Bandwidth Profiles " +\r
-                                    "on that EVC.";\r
-                }\r
-                must "not(./egress-bw-profile-per-evc) or " +\r
-                                "((./egress-bw-profile-per-evc) and " +\r
-                                "not(./egress-bwp-flows-per-eec))" {\r
-                  error-message "If there is a per EVC Egress " +\r
-                                    "Bandwidth Profile on an EVC, then there " +\r
-                                    "cannot be any per Egress Equivalence " +\r
-                                    "Class Identifier Bandwidth Profiles on " +\r
-                                    "that EVC.";\r
-                  description\r
-                                    "If there is a per EVC Egress Bandwidth " +\r
-                                    "Profile on an EVC, then there cannot be " +\r
-                                    "any per Egress Equivalence Class Identifier " +\r
-                                    "Bandwidth Profiles on that EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-bw-profile-" +\r
-                                "per-uni) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:ingress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-bw-profile-per-uni]" +\r
-                                "[mef-global:cir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:ingress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-bw-profile-per-uni]" +\r
-                                "[mef-global:cbs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Ingress Bandwidth Profile Per UNI: " +\r
-                                    "If CIR > 0, CBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                  description\r
-                                    "Ingress Bandwidth Profile Per UNI: If CIR > 0, " +\r
-                                    "CBS must be greater than or equal to the " +\r
-                                    "EVC Max Service Frame Size for the EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-bw-profile-per-uni) " +\r
-                                "or " +\r
-                                "(/mef-global:mef-global/mef-global:profiles/" +\r
-                                "mef-global:egress-bwp-flows/mef-global:" +\r
-                                "bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-bw-profile-per-uni]" +\r
-                                "[mef-global:cir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:profiles/" +\r
-                                "mef-global:ingress-bwp-flows/mef-global:" +\r
-                                "bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-bw-profile-per-uni]" +\r
-                                "[mef-global:cbs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Egress Bandwidth Profile Per UNI: " +\r
-                                    "If CIR > 0, CBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                  description\r
-                                    "Egress Bandwidth Profile Per UNI: If CIR > 0, " +\r
-                                    "CBS must be greater than or equal to the " +\r
-                                    "EVC Max Service Frame Size for the EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-envelopes) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:ingress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:cir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:ingress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:cbs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Ingress Bandwidth Profile Envelope: " +\r
-                                    "If CIR > 0, CBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                  description\r
-                                    "Ingress Bandwidth Profile Envelope: " +\r
-                                    "If CIR > 0, CBS must be greater than " +\r
-                                    "or equal to the EVC Max Service Frame " +\r
-                                    "Size for the EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-envelopes) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:egress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = " +\r
-                                "/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:cir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:egress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:cbs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Egress Bandwidth Profile " +\r
-                                    "Envelope: If CIR > 0, CBS must be greater " +\r
-                                    "than or equal to the EVC Max Service Frame " +\r
-                                    "Size for the EVC.";\r
-                  description\r
-                                    "Egress Bandwidth Profile Envelope: If CIR > 0, " +\r
-                                    "CBS must be greater than or equal to the " +\r
-                                    "EVC Max Service Frame Size for the EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-bw-profile-per-uni) " +\r
-                                "or " +\r
-                                "(/mef-global:mef-global/mef-global:profiles/" +\r
-                                "mef-global:ingress-bwp-flows/mef-global:" +\r
-                                "bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]/mef-interfaces:" +\r
-                                "ingress-bw-profile-per-uni]" +\r
-                                "[mef-global:eir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:profiles/" +\r
-                                "mef-global:ingress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-bw-profile-per-uni]" +\r
-                                "[mef-global:ebs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Ingress Bandwidth Profile Per UNI: " +\r
-                                    "If EIR > 0, EBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                  description\r
-                                    "Ingress Bandwidth Profile Per UNI: If EIR > 0, " +\r
-                                    "EBS must be greater than or equal to the " +\r
-                                    "EVC Max Service Frame Size for the EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-bw-profile-" +\r
-                                "per-uni) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:egress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]/mef-interfaces:" +\r
-                                "egress-bw-profile-per-uni]" +\r
-                                "[mef-global:eir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:ingress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]/mef-interfaces:" +\r
-                                "egress-bw-profile-per-uni]" +\r
-                                "[mef-global:ebs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Egress Bandwidth Profile Per UNI: " +\r
-                                    "If EIR > 0, EBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                  description\r
-                                    "Egress Bandwidth Profile Per UNI: If EIR > 0, " +\r
-                                    "EBS must be greater than or equal to the " +\r
-                                    "EVC Max Service Frame Size for the EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:" +\r
-                                "unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-envelopes) or " +\r
-                                "(/mef-global:mef-global/mef-global:profiles/" +\r
-                                "mef-global:ingress-bwp-flows/mef-global:" +\r
-                                "bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:eir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:profiles/" +\r
-                                "mef-global:ingress-bwp-flows/mef-global:" +\r
-                                "bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:ingress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:ebs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Ingress Bandwidth Profile Envelope: " +\r
-                                    "If EIR > 0, EBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                  description\r
-                                    "Ingress Bandwidth Profile Envelope: " +\r
-                                    "If EIR > 0, EBS must be greater than or equal " +\r
-                                    "to the EVC Max Service Frame Size for the EVC.";\r
-                }\r
-                must "not(/mef-interfaces:mef-interfaces/" +\r
-                                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-envelopes) or " +\r
-                                "(/mef-global:mef-global/mef-global:" +\r
-                                "profiles/mef-global:egress-bwp-flows/" +\r
-                                "mef-global:bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:eir = 0]) or " +\r
-                                "(/mef-global:mef-global/mef-global:profiles/" +\r
-                                "mef-global:egress-bwp-flows/mef-global:" +\r
-                                "bwp-flow" +\r
-                                "[mef-global:bw-profile = /mef-interfaces:" +\r
-                                "mef-interfaces/mef-interfaces:unis/" +\r
-                                "mef-interfaces:uni" +\r
-                                "[mef-interfaces:uni-id = current()/" +\r
-                                "mef-services:uni-id]" +\r
-                                "/mef-interfaces:egress-envelopes/" +\r
-                                "mef-interfaces:envelope/mef-interfaces:" +\r
-                                "bwp-flows/mef-interfaces:bwp-flow/" +\r
-                                "mef-interfaces:bw-profile]" +\r
-                                "[mef-global:ebs >= current()/../../" +\r
-                                "max-svc-frame-size])" {\r
-                  error-message "Egress Bandwidth Profile Envelope: " +\r
-                                    "If EIR > 0, EBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                  description\r
-                                    "Egress Bandwidth Profile Envelope: " +\r
-                                    "If EIR > 0, EBS must be greater than or " +\r
-                                    "equal to the EVC Max Service Frame Size " +\r
-                                    "for the EVC.";\r
-                }\r
-                key "uni-id";\r
-                description\r
-                                "EVC Flow Points and EVC-UNI List defines the " +\r
-                                "roles of each UNI in the Service. One UNI can " +\r
-                                "be used by 0 or more EVCs.";\r
-                reference "[MEF10.3] Section 8.3. " +\r
-                                "[MEF7.3] Section 12.2.2.";\r
-                container evc-uni-ce-vlans {\r
-                  description\r
-                                    "EVC Per UNI CE-VLAN IDs.";\r
-                  list evc-uni-ce-vlan {\r
-                    key "vid";\r
-                    description\r
-                                        "A list of the CE-VLAN IDs mapped to this UNI " +\r
-                                        "for this EVC.";\r
-                    reference "[MEF10.3] Section 8.6.1, [R24] " +\r
-                                        "[R25], Section 9.10.2, Section 9.12, " +\r
-                                        "[R76], [R81].";\r
-                    leaf vid {\r
-                      type leafref {\r
-                        path "/mef-interfaces:mef-interfaces/" +\r
-                                                "mef-interfaces:unis/" +\r
-                                                "mef-interfaces:uni" +\r
-                                                "[mef-interfaces:uni-id = " +\r
-                                                "current()/../../../uni-id]" +\r
-                                                "/mef-interfaces:ce-vlans/" +\r
-                                                "mef-interfaces:ce-vlan/" +\r
-                                                "mef-interfaces:vid";\r
-                      }\r
-                      must "not(current()/../../" +\r
-                                            "evc-uni-ce-vlan[2]) or " +\r
-                                            "(count(../../../../uni/evc-uni-ce-vlans/" +\r
-                                            "evc-uni-ce-vlan" +\r
-                                            "[vid = current()]) = " +\r
-                                            "count(../../../../uni))" {\r
-                        error-message "If more than one CE-VLAN ID " +\r
-                                                "is configured for a UNI as part of " +\r
-                                                "an EVC, every CE VLAN-ID mapped to " +\r
-                                                "that EVC must be configured for all " +\r
-                                                "UNIs within that EVC.";\r
-                        description\r
-                                                "If more than one CE-VLAN ID is configured " +\r
-                                                "for a UNI as part of an EVC, every " +\r
-                                                "CE VLAN-ID mapped to that EVC must be " +\r
-                                                "configured for all UNIs within that EVC.";\r
-                      }\r
-                      description\r
-                                            "VLAN Identifier.";\r
-                    }\r
-                  }\r
-                }\r
-                container ingress-bwp-flows-per-cos {\r
-                  presence "Use Ingress Bandwidth Profiles Per CoS";\r
-                  description\r
-                                    "EVC Per UNI Class of Service Identifiers " +\r
-                                    "corresponding to this EVC's Ingress Bandwidth " +\r
-                                    "Profile Flows.";\r
-                  leaf coupling-enabled {\r
-                    type boolean;\r
-                    default "false";\r
-                    description\r
-                                        "EVC Per UNI Envelope Coupling Flag (CF) " +\r
-                                        "attribute.";\r
-                    reference "[MEF10.3] Section 12.1.";\r
-                  }\r
-                  list bwp-flow-per-cos {\r
-                    key "cos-name";\r
-                    description\r
-                                        "EVC Per UNI: The list of Class of Service " +\r
-                                        "Identifiers corresponding to this UNI's " +\r
-                                        "Ingress Bandwidth Profile Flow.";\r
-                    leaf cos-name {\r
-                      type leafref {\r
-                        path "/mef-global:mef-global/mef-global:" +\r
-                                                "profiles/mef-global:cos-names/" +\r
-                                                "mef-global:cos-name/mef-global:name";\r
-                      }\r
-                      description\r
-                                            "EVC Per UNI: Class of Service Identifier " +\r
-                                            "for this Bandwidth Profile Flow.";\r
-                      reference "[MEF7.3] Section 12.1.2.";\r
-                    }\r
-                    leaf bw-profile {\r
-                      type leafref {\r
-                        path "/mef-interfaces:mef-interfaces/" +\r
-                                                "mef-interfaces:unis/" +\r
-                                                "mef-interfaces:uni" +\r
-                                                "[mef-interfaces:uni-id = " +\r
-                                                "current()/../../../uni-id]" +\r
-                                                "/mef-interfaces:ingress-envelopes/" +\r
-                                                "mef-interfaces:envelope/" +\r
-                                                "mef-interfaces:env-id";\r
-                      }\r
-                      mandatory true;\r
-                      description\r
-                                            "EVC Per UNI: Ingress Bandwidth Profile " +\r
-                                            "Envelope Per CoS ID. If this parameter " +\r
-                                            "is not configured (ie. 'No') this " +\r
-                                            "setting is configured else at the " +\r
-                                            "UNI Level.";\r
-                      reference "[MEF10.3] Section 10.6, Table 28. " +\r
-                                            "[MEF7.3] Section 12.1.2.";\r
-                    }\r
-                  }\r
-                }\r
-                container egress-bwp-flows-per-eec {\r
-                  presence "Using Egress Bandwidth Profiles Per " +\r
-                                    "Egress Equivalence Class";\r
-                  description\r
-                                    "EVC Per UNI: The Egress Equivalence Class " +\r
-                                    "Identifiers corresponding to this EVC's Egress " +\r
-                                    "Bandwidth Profile Flows.";\r
-                  leaf coupling-enabled {\r
-                    type boolean;\r
-                    default "false";\r
-                    description\r
-                                        "EVC Per UNI: The Envelope Coupling Flag (CF) " +\r
-                                        "attribute.";\r
-                    reference "[MEF10.3] Section 12.1.";\r
-                  }\r
-                  list bwp-flow-per-eec {\r
-                    key "eec-name";\r
-                    description\r
-                                        "EVC Per UNI: The list of Egress Equivalence " +\r
-                                        "Class Identifiers corresponding to this " +\r
-                                        "EVC's Egress Bandwidth Profile Flow.";\r
-                    leaf eec-name {\r
-                      type leafref {\r
-                        path "/mef-global:mef-global/mef-global:" +\r
-                                                "profiles/mef-global:eec-names/" +\r
-                                                "mef-global:eec-name/mef-global:name";\r
-                      }\r
-                      description\r
-                                            "EVC Per UNI: Egress Equivalence Class " +\r
-                                            "Identifier for this Bandwidth Profile Flow.";\r
-                      reference "[MEF7.3] Section 12.1.2.";\r
-                    }\r
-                    leaf bw-profile {\r
-                      type leafref {\r
-                        path "/mef-interfaces:mef-interfaces/" +\r
-                                                "mef-interfaces:unis/" +\r
-                                                "mef-interfaces:uni" +\r
-                                                "[mef-interfaces:uni-id = " +\r
-                                                "current()/../../../uni-id]" +\r
-                                                "/mef-interfaces:egress-envelopes/" +\r
-                                                "mef-interfaces:envelope/" +\r
-                                                "mef-interfaces:env-id";\r
-                      }\r
-                      mandatory true;\r
-                      description\r
-                                            "EVC Per UNI: Egress Bandwidth Profile " +\r
-                                            "Envelope Per Equivance Class. If this " +\r
-                                            "parameter is not configured (ie. 'No') " +\r
-                                            "this setting is configured else at the " +\r
-                                            "UNI Level.";\r
-                      reference "[MEF10.3] Section 10.6, Table 28. " +\r
-                                            "[MEF7.3] Section 12.1.2.";\r
-                    }\r
-                  }\r
-                }\r
-                container status {\r
-                  description\r
-                                    "EVC Per UNI: This status group is related to " +\r
-                                    "the MEF 7.3 Service Endpoint";\r
-                  leaf oper-state-enabled {\r
-                    type boolean;\r
-                    default "false";\r
-                    config false;\r
-                    description\r
-                                        "EVC Per UNI: Operational Status of the " +\r
-                                        "Virtual Connection as Enabled/Disabled.";\r
-                    reference "[MEF15]. [MEF7.3] Section 11.2.1.";\r
-                  }\r
-                  leaf available-status {\r
-                    type mef-types:svc-endpoint-availability-type;\r
-                    default "not-installed";\r
-                    config false;\r
-                    description\r
-                                        "EVC Per UNI: Availability Status of the " +\r
-                                        "Virtual Connection.";\r
-                    reference "[MEF15]. [MEF7.3] Section 11.2.1.";\r
-                  }\r
-                }\r
-                leaf uni-id {\r
-                  type leafref {\r
-                    path "/mef-interfaces:mef-interfaces/" +\r
-                                        "mef-interfaces:unis/mef-interfaces:uni/" +\r
-                                        "mef-interfaces:uni-id";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: The UNI ID paired with the EVC ID " +\r
-                                    "in the containing list.";\r
-                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf role {\r
-                  type mef-types:evc-uni-role-type;\r
-                  mandatory true;\r
-                  description\r
-                                    "EVC Per UNI: The UNI Role MUST have the value " +\r
-                                    "of either 'root' or 'leaf'.";\r
-                  reference "[MEF10.3] [R4], [R5], [R10], [R11], " +\r
-                                    "[R12]. [MEF7.3] Section 12.2.2.";\r
-                }\r
-                leaf admin-state-enabled {\r
-                  type boolean;\r
-                  default "true";\r
-                  description\r
-                                    "EVC Per UNI: Locked/Unlocked is inconsistent " +\r
-                                    "with Oper Status and will be confusing.";\r
-                  reference "[MEF15]. [MEF7.3] Section 11.2.1.";\r
-                }\r
-                leaf color-id {\r
-                  type mef-types:cos-color-identifier-type;\r
-                  description\r
-                                    "EVC Per UNI: The Color Identifier for " +\r
-                                    "Service Frames.";\r
-                  reference "[MEF10.3] Section 10.3. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf data-svc-frm-cos {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:profiles/" +\r
-                                        "mef-global:cos/mef-global:cos-profile/" +\r
-                                        "mef-global:id";\r
-                  }\r
-                  must "not(/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:cos/" +\r
-                                    "mef-global:cos-profile" +\r
-                                    "[mef-global:id = current()]" +\r
-                                    "/mef-global:cos-pcp) or " +\r
-                                    "((/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:cos/" +\r
-                                    "mef-global:cos-profile" +\r
-                                    "[mef-global:id = current()]" +\r
-                                    "/mef-global:cos-pcp) and " +\r
-                                    "((../color-id = 'pcp') or " +\r
-                                    "(../color-id = 'dei')) )" {\r
-                    error-message "When the Class of Service " +\r
-                                        "Identifier is based on PCP for a " +\r
-                                        "given EVC at a given UNI, the Color " +\r
-                                        "Identifier must be based on either " +\r
-                                        "DEI or PCP.";\r
-                    description\r
-                                        "When the Class of Service Identifier is " +\r
-                                        "based on PCP for a given EVC at a given UNI, " +\r
-                                        "the Color Identifier must be based on either " +\r
-                                        "DEI or PCP.";\r
-                  }\r
-                  must "not(/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:cos/mef-global:" +\r
-                                    "cos-profile" +\r
-                                    "[mef-global:id = current()]/mef-global:" +\r
-                                    "cos-dscp) or " +\r
-                                    "((/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:cos/mef-global:" +\r
-                                    "cos-profile" +\r
-                                    "[mef-global:id = current()]/mef-global:" +\r
-                                    "cos-dscp) and " +\r
-                                    "(../color-id = 'dscp'))" {\r
-                    error-message "When the Class of Service " +\r
-                                        "Identifier is based on DSCP for a " +\r
-                                        "given EVC at a given UNI, the Color " +\r
-                                        "Identifier must be based DSCP.";\r
-                    description\r
-                                        "When the Class of Service Identifier is based " +\r
-                                        "on DSCP for a given EVC at a given UNI, the " +\r
-                                        "Color Identifier must be based DSCP.";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Ingress Data Service Frame " +\r
-                                    "CoS Profile.";\r
-                  reference "[MEF10.3] Section 8.8, Section 10.2. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf l2cp-svc-frm-cos {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:" +\r
-                                        "profiles/mef-global:l2cp-cos/mef-global:" +\r
-                                        "l2cp-profile/mef-global:id";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Ingress Layer 2 Control Protocol " +\r
-                                    "Processing.";\r
-                  reference "[MEF10.3] Section 8.8, Section 10.2. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf soam-svc-frm-cos {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:profiles/" +\r
-                                        "mef-global:cos/mef-global:cos-profile/" +\r
-                                        "mef-global:id";\r
-                  }\r
-                  must "(not(.) and not(../data-svc-frm-cos)) or " +\r
-                                    "(. = ../data-svc-frm-cos)" {\r
-                    error-message "For a given EVC at a given UNI, " +\r
-                                        "the basis for the Class of Service " +\r
-                                        "Identifier for ingress SOAM Service " +\r
-                                        "Frames must be the same as that for " +\r
-                                        "ingress Data Service Frames.";\r
-                    description\r
-                                        "For a given EVC at a given UNI, the basis " +\r
-                                        "for the Class of Service Identifier for " +\r
-                                        "ingress SOAM Service Frames must be the " +\r
-                                        "same as that for ingress Data Service Frames.";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Ingress SOAM Service Frames.";\r
-                  reference "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf data-svc-frm-eec {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:profiles/" +\r
-                                        "mef-global:eec/mef-global:eec-profile/" +\r
-                                        "mef-global:id";\r
-                  }\r
-                  must "not(/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:eec/mef-global:" +\r
-                                    "eec-profile" +\r
-                                    "[mef-global:id = current()]" +\r
-                                    "/mef-global:eec-pcp) or " +\r
-                                    "((/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:eec/mef-global:" +\r
-                                    "eec-profile" +\r
-                                    "[mef-global:id = current()]" +\r
-                                    "/mef-global:eec-pcp) and " +\r
-                                    "((../color-id = 'pcp') or " +\r
-                                    "(../color-id = 'dei')) )" {\r
-                    error-message "When the Egress Equivalence " +\r
-                                        "Class Identifier is based on PCP " +\r
-                                        "for a given EVC at a given UNI, " +\r
-                                        "the Color Identifier must be based " +\r
-                                        "on either DEI or PCP.";\r
-                    description\r
-                                        "When the Egress Equivalence Class Identifier " +\r
-                                        "is based on PCP for a given EVC at a " +\r
-                                        "given UNI, the Color Identifier must " +\r
-                                        "be based on either DEI or PCP.";\r
-                  }\r
-                  must "not(/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:eec/mef-global:" +\r
-                                    "eec-profile" +\r
-                                    "[mef-global:id = current()]" +\r
-                                    "/mef-global:eec-dscp) or " +\r
-                                    "((/mef-global:mef-global/mef-global:" +\r
-                                    "profiles/mef-global:eec/mef-global:" +\r
-                                    "eec-profile" +\r
-                                    "[mef-global:id = current()]" +\r
-                                    "/mef-global:eec-dscp) and " +\r
-                                    "(../color-id = 'dscp'))" {\r
-                    error-message "When the Egress Equivalence " +\r
-                                        "Class Identifier is based on DSCP for " +\r
-                                        "a given EVC at a given UNI, the Color " +\r
-                                        "Identifier must be based DSCP.";\r
-                    description\r
-                                        "When the Egress Equivalence Class Identifier " +\r
-                                        "is based on DSCP for a given EVC at a given " +\r
-                                        "UNI, the Color Identifier must be based DSCP.";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Egress Data Service Frame Processing.";\r
-                  reference "[MEF10.3] Section 10.4. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf l2cp-svc-frm-eec {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:profiles/" +\r
-                                        "mef-global:l2cp-eec/mef-global:" +\r
-                                        "l2cp-profile/mef-global:id";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Egress Layer 2 Control Protocol " +\r
-                                    "Processing.";\r
-                  reference "[MEF10.3] Section 10.4. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf soam-svc-frm-eec {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:" +\r
-                                        "profiles/mef-global:eec/mef-global:" +\r
-                                        "eec-profile/mef-global:id";\r
-                  }\r
-                  must "(not(.) and not(../data-svc-frm-eec)) or " +\r
-                                    "(. = ../data-svc-frm-eec)" {\r
-                    error-message "For a given EVC at a given UNI, " +\r
-                                        "the basis for the Egress Equivalence " +\r
-                                        "Class Identifier for egress SOAM " +\r
-                                        "Service Frames must be the same as " +\r
-                                        "that for egress Data Service Frames.";\r
-                    description\r
-                                        "For a given EVC at a given UNI, the basis " +\r
-                                        "for the Egress Equivalence Class Identifier " +\r
-                                        "for egress SOAM Service Frames must be " +\r
-                                        "the same as that for egress Data " +\r
-                                        "Service Frames.";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Egress SOAM Service Frames.";\r
-                  reference "[MEF10.3] Section 10.4. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf ingress-bw-profile-per-evc {\r
-                  type leafref {\r
-                    path "/mef-interfaces:mef-interfaces/" +\r
-                                        "mef-interfaces:unis/" +\r
-                                        "mef-interfaces:uni" +\r
-                                        "[mef-interfaces:uni-id = " +\r
-                                        "current()/../uni-id]" +\r
-                                        "/mef-interfaces:ingress-envelopes/" +\r
-                                        "mef-interfaces:envelope/" +\r
-                                        "mef-interfaces:env-id";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Ingress Bandwidth Profile " +\r
-                                    "Envelope Per EVC. If this parameter is " +\r
-                                    "not configured (ie. 'No') this setting " +\r
-                                    "is configured else at the UNI Level.";\r
-                  reference "[MEF10.3] Section 10.5. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf egress-bw-profile-per-evc {\r
-                  type leafref {\r
-                    path "/mef-interfaces:mef-interfaces/" +\r
-                                        "mef-interfaces:unis/" +\r
-                                        "mef-interfaces:uni" +\r
-                                        "[mef-interfaces:uni-id = " +\r
-                                        "current()/../uni-id]" +\r
-                                        "/mef-interfaces:egress-envelopes/" +\r
-                                        "mef-interfaces:envelope/mef-interfaces:" +\r
-                                        "env-id";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Egress Bandwidth Profile Envelope " +\r
-                                    "Per EVC. If this parameter is not configured " +\r
-                                    "(ie. 'No') this setting is configured else at " +\r
-                                    "the UNI Level.";\r
-                  reference "[MEF10.3] Section 10.7. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf src-mac-addr-limit-enabled {\r
-                  type boolean;\r
-                  default "false";\r
-                  description\r
-                                    "EVC Per UNI: Source MAC Address Limit " +\r
-                                    "Enable / Disable. If Enabled, the values " +\r
-                                    "for the Source MAC Address Limit and Source " +\r
-                                    "MAC Address Interval must be set.";\r
-                  reference "[MEF10.3] Section 10.9. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf src-mac-addr-limit {\r
-                  type uint32 {\r
-                    range "1..max";\r
-                  }\r
-                  description\r
-                                    "EVC Per UNI: Source MAC Address Limit. " +\r
-                                    "This value is used when the Source MAC Address " +\r
-                                    "Limit Enabled is true.";\r
-                  reference "[MEF10.3] Section 10.9.";\r
-                }\r
-                leaf src-mac-addr-limit-interval {\r
-                  type yang:timeticks;\r
-                  default "0";\r
-                  description\r
-                                    "EVC Per UNI: Source MAC Address Limit " +\r
-                                    "Interval. This value is used when the " +\r
-                                    "Source MAC Address Limit Enabled is true.";\r
-                  reference "[MEF10.3] Section 10.9.";\r
-                }\r
-                leaf test-meg-enabled {\r
-                  type boolean;\r
-                  default "false";\r
-                  description\r
-                                    "EVC Per UNI: Test MEG Enabled / Disabled.";\r
-                  reference "[MEF10.3] Section 10.10. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf test-meg {\r
-                  type mef-types:identifier45;\r
-                  description\r
-                                    "EVC Per UNI: Test MEG Identifier.";\r
-                  reference "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf subscriber-meg-mip-enabled {\r
-                  type boolean;\r
-                  default "false";\r
-                  description\r
-                                    "EVC Per UNI: Subscriber MEG MIP " +\r
-                                    "Enabled / Disabled.";\r
-                  reference "[MEF10.3] Section 10.11. " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf subscriber-meg-mip {\r
-                  type mef-types:identifier45;\r
-                  description\r
-                                    "EVC Per UNI: Subscriber MEG MIP Identifier.";\r
-                  reference "[MEF7.3] Section 12.1.2.";\r
-                }\r
-              }\r
-            }\r
-            container status {\r
-              description\r
-                            "This status group is related to the MEF 7.3 Virtual " +\r
-                            "Connection";\r
-              leaf oper-state-enabled {\r
-                type boolean;\r
-                default "false";\r
-                config false;\r
-                description\r
-                                "EVC Operational Status of the Virtual Connection " +\r
-                                "as Enabled/Disabled.";\r
-                reference "[MEF7.3] Section 11.1.1.";\r
-              }\r
-              leaf available-status {\r
-                type mef-types:virt-cx-availability-type;\r
-                default "not-installed";\r
-                config false;\r
-                description\r
-                                "EVC Availability Status of the Virtual Connection.";\r
-                reference "[MEF7.3] Section 11.1.1.";\r
-              }\r
-            }\r
-            container sls-inclusions-by-cos {\r
-              description\r
-                            "SLS Inclusions by CoS: For this EVC, the following " +\r
-                            "CoS Names/Labels are applicable.";\r
-              list sls-inclusion-by-cos {\r
-                key "cos-name";\r
-                description\r
-                                "CoS Name.";\r
-                leaf cos-name {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:profiles/" +\r
-                                        "mef-global:cos-names/mef-global:" +\r
-                                        "cos-name/mef-global:name";\r
-                  }\r
-                  description\r
-                                    "EVC: This attribute identifies the name of " +\r
-                                    "a class of service (CoS) instance to be used " +\r
-                                    "for EVC Performance.";\r
-                }\r
-              }\r
-            }\r
-            container sls-uni-inclusions {\r
-              presence "EVC: Defines the EVC Flow Points (UNI) Pairs " +\r
-                            "that must conform to the EVC's SLS Performance " +\r
-                            "Metrics.";\r
-              description\r
-                            "SLS UNI Inclusions List. The following pairs of UNI " +\r
-                            "Interconnections are to required to meet the " +\r
-                            "SLS Performance Objectives. Configing both SLS " +\r
-                            "UNI Inclusions and SLS UNI Exclusions is not " +\r
-                            "permitted.";\r
-              list sls-uni-inclusion-set {\r
-                must "uni-id1 != uni-id2" {\r
-                  error-message "The two UNI IDs for a given " +\r
-                                    "inclusion cannot be the same.";\r
-                  description\r
-                                    "The two UNI IDs for a given inclusion " +\r
-                                    "cannot be the same.";\r
-                }\r
-                must "(../../evc-type != 'rooted-multipoint') or " +\r
-                                "((../../evc-type = 'rooted-multipoint') " +\r
-                                "and " +\r
-                                "not((../../unis/uni[uni-id = " +\r
-                                "current()/uni-id1]/role = 'leaf') and " +\r
-                                "(../../unis/uni[uni-id = current()/uni-id2]" +\r
-                                "/role = 'leaf')))" {\r
-                  error-message "If EVC Type is Rooted-Multipoint, " +\r
-                                    "sls-uni-inclusion UNI Pairs cannot both " +\r
-                                    "be role 'leaf'.";\r
-                  description\r
-                                    "If EVC Type is Rooted-Multipoint, " +\r
-                                    "sls-uni-inclusion UNI Pairs cannot " +\r
-                                    "both be role 'leaf'.";\r
-                }\r
-                key "pm-type pm-id uni-id1 uni-id2";\r
-                description\r
-                                "EVC: Defines the EVC Flow Points (UNI) Pairs that " +\r
-                                "must conform to the EVC's SLS Performance " +\r
-                                "Metrics. Use of this list indicates that a " +\r
-                                "complete set of UNI Pairs has been specified " +\r
-                                "for the Performance Metrics defined in the " +\r
-                                "selected SLS.";\r
-                leaf pm-type {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:slss/" +\r
-                                        "mef-global:sls" +\r
-                                        "[mef-global:sls-id = current()/../../../" +\r
-                                        "evc-performance-sls]" +\r
-                                        "/mef-global:perf-objs/mef-global:" +\r
-                                        "perf-obj/mef-global:pm-type";\r
-                  }\r
-                  description\r
-                                    "EVC: Performance Metric.";\r
-                  reference "[MEF10.3] Section 8.8.";\r
-                }\r
-                leaf pm-id {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:slss/" +\r
-                                        "mef-global:sls" +\r
-                                        "[mef-global:sls-id = current()/../../../" +\r
-                                        "evc-performance-sls]" +\r
-                                        "/mef-global:perf-objs/mef-global:perf-obj" +\r
-                                        "[mef-global:pm-type = current()/../" +\r
-                                        "pm-type]" +\r
-                                        "/mef-global:pm-id";\r
-                  }\r
-                  description\r
-                                    "EVC: This is a friendly name for specific " +\r
-                                    "performance profile.";\r
-                }\r
-                leaf uni-id1 {\r
-                  type leafref {\r
-                    path "../../../unis/uni/uni-id";\r
-                  }\r
-                  description\r
-                                    "EVC: The UNI ID paired with the EVC ID in the " +\r
-                                    "containing list.";\r
-                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf uni-id2 {\r
-                  type leafref {\r
-                    path "../../../unis/uni/uni-id";\r
-                  }\r
-                  description\r
-                                    "EVC: The UNI ID paired with the EVC ID in the " +\r
-                                    "containing list.";\r
-                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-              }\r
-            }\r
-            container sls-uni-exclusions {\r
-              presence "Not all EVC Flow Points (UNI) must conform " +\r
-                            "to the EVC SLS Performance Metrics.";\r
-              description\r
-                            "EVC: Not all EVC Flow Points (UNI) must conform to " +\r
-                            "the EVC SLS Performance Metrics. Use of this " +\r
-                            "list indicates that all UNI Pairs EXCEPT for " +\r
-                            "the ones indicated (per Performance Metric) must " +\r
-                            "conform to the SLS.";\r
-              list sls-uni-exclusion-set {\r
-                must "uni-id1 != uni-id2" {\r
-                  error-message "The two UNI IDs for a given " +\r
-                                    "exclusion cannot be the same.";\r
-                  description\r
-                                    "The two UNI IDs for a given exclusion cannot " +\r
-                                    "be the same as these pairs are invalid as " +\r
-                                    "defined in MEF 10.3.";\r
-                }\r
-                key "pm-type pm-id uni-id1 uni-id2";\r
-                description\r
-                                "SLS UNI Exclusions List. The following pairs " +\r
-                                "of UNI Interconnections are not required " +\r
-                                "meet the SLS Performance Objectives. " +\r
-                                "Configing both SLS UNI Inclusions and SLS " +\r
-                                "UNI Exclusions is not permitted.";\r
-                leaf pm-type {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:" +\r
-                                        "slss/mef-global:sls" +\r
-                                        "[mef-global:sls-id = current()/../../../" +\r
-                                        "evc-performance-sls]" +\r
-                                        "/mef-global:perf-objs/mef-global:" +\r
-                                        "perf-obj/mef-global:pm-type";\r
-                  }\r
-                  description\r
-                                    "EVC: Performance Metric.";\r
-                  reference "[MEF10.3] Section 8.8.";\r
-                }\r
-                leaf pm-id {\r
-                  type leafref {\r
-                    path "/mef-global:mef-global/mef-global:slss/" +\r
-                                        "mef-global:sls" +\r
-                                        "[mef-global:sls-id = current()/../../../" +\r
-                                        "evc-performance-sls]" +\r
-                                        "/mef-global:perf-objs/mef-global:perf-obj" +\r
-                                        "[mef-global:pm-type = current()/../" +\r
-                                        "pm-type]" +\r
-                                        "/mef-global:pm-id";\r
-                  }\r
-                  description\r
-                                    "EVC: This is a friendly name for specific " +\r
-                                    "performance profile.";\r
-                }\r
-                leaf uni-id1 {\r
-                  type leafref {\r
-                    path "../../../unis/uni/uni-id";\r
-                  }\r
-                  description\r
-                                    "EVC: The UNI ID paired with the EVC ID in the " +\r
-                                    "containing list.";\r
-                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-                leaf uni-id2 {\r
-                  type leafref {\r
-                    path "../../../unis/uni/uni-id";\r
-                  }\r
-                  description\r
-                                    "EVC: The UNI ID paired with the EVC ID in the " +\r
-                                    "containing list.";\r
-                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +\r
-                                    "[MEF7.3] Section 12.1.2.";\r
-                }\r
-              }\r
-            }\r
-            leaf evc-id {\r
-              type mef-types:evc-id-type;\r
-              mandatory true;\r
-              description\r
-                            "The EVC ID must be unique across all EVCs in the CEN." +\r
-                            " The EVC ID must be non-NULL.";\r
-              reference "[MEF10.3] Section 8.2 [R7]. " +\r
-                            "[MEF7.3] Section 11.1.1, Section 12.2.2.";\r
-            }\r
-            leaf evc-status {\r
-              type mef-types:evc-status-type;\r
-              config false;\r
-              description\r
-                            "EVC Operational Status.";\r
-              reference "[MEF16] Section 5.3.";\r
-            }\r
-            leaf evc-type {\r
-              type mef-types:evc-type;\r
-              must "(. != 'point-to-point') or " +\r
-                            "((. = 'point-to-point') and " +\r
-                            "(count(../unis/uni[role = 'leaf']) = 0))" {\r
-                error-message "If EVC Type is Point-to-Point, all " +\r
-                                "UNI Roles must be root.";\r
-                description\r
-                                "If EVC Type is Point-to-Point, all UNI Roles must " +\r
-                                "be root.";\r
-              }\r
-              must "(. != 'multipoint-to-multipoint') or " +\r
-                            "((. = 'multipoint-to-multipoint') and " +\r
-                            "(count(../unis/uni[role = 'leaf']) = 0))" {\r
-                error-message "If EVC Type is " +\r
-                                "Multipoint-to-Multipoint, all UNI Roles " +\r
-                                "must be root.";\r
-                description\r
-                                "If EVC Type is Multipoint-to-Multipoint, all UNI " +\r
-                                "Roles must be root.";\r
-              }\r
-              must "(. != 'rooted-multipoint') or " +\r
-                            "((. = 'rooted-multipoint') and " +\r
-                            "(count(../unis/uni[role = 'root']) > 0) )" {\r
-                error-message "If EVC Type is Rooted-Multipoint, one " +\r
-                                "or more UNI Roles must be root.";\r
-                description\r
-                                "If EVC Type is Rooted-Multipoint, one or more " +\r
-                                "UNI Roles must be root.";\r
-              }\r
-              must "(. != 'point-to-point') or " +\r
-                            "((. = 'point-to-point') and " +\r
-                            "(count(../unis/uni) = 2))" {\r
-                error-message "If EVC Type is Point-to-Point, there " +\r
-                                "must be exactly 2 UNI configured for the EVC.";\r
-                description\r
-                                "If EVC Type is Point-to-Point, there must be " +\r
-                                "exactly 2 UNI configured for the EVC.";\r
-              }\r
-              must "(. != 'multipoint-to-multipoint') or " +\r
-                            "((. = 'multipoint-to-multipoint') and " +\r
-                            "(count(../unis/uni) > 1) and " +\r
-                            "(count(../unis/uni) <= ../max-uni-count))" {\r
-                error-message "If EVC Type is " +\r
-                                "Multipoint-to-Multipoint, " +\r
-                                "there must be 2 or more UNI configured " +\r
-                                "for the EVC.";\r
-                description\r
-                                "If EVC Type is Multipoint-to-Multipoint, " +\r
-                                "there must be 2 or more UNI configured for " +\r
-                                "the EVC.";\r
-              }\r
-              must "(. != 'rooted-multipoint') or " +\r
-                            "((. = 'rooted-multipoint') and " +\r
-                            "(count(../unis/uni) > 1) and " +\r
-                            "(count(../unis/uni) <= ../max-uni-count))" {\r
-                error-message "If EVC Type is Rooted-Multipoint, " +\r
-                                "there must be 2 or more UNI configured for the EVC.";\r
-                description\r
-                                "If EVC Type is Rooted-Multipoint, there must " +\r
-                                "be 2 or more UNI configured for the EVC.";\r
-              }\r
-              must "(. != 'point-to-point') or " +\r
-                            "((. = 'point-to-point') and " +\r
-                            "(../max-uni-count = 2))" {\r
-                error-message "If EVC Type is Point-to-Point, " +\r
-                                "the value of max-uni-count must be 2.";\r
-                description\r
-                                "If EVC Type is Point-to-Point, the value of " +\r
-                                "max-uni-count must be 2.";\r
-              }\r
-              must "(. != 'multipoint-to-multipoint') or " +\r
-                            "((. = 'multipoint-to-multipoint') and " +\r
-                            "(../max-uni-count > 2))" {\r
-                error-message "If EVC Type is " +\r
-                                "Multipoint-to-Multipoint, the value of " +\r
-                                "max-uni-count must be at least 3.";\r
-                description\r
-                                "If EVC Type is Multipoint-to-Multipoint, the " +\r
-                                "value of max-uni-count must be at least 3.";\r
-              }\r
-              must "(. != 'rooted-multipoint') or " +\r
-                            "((. = 'rooted-multipoint') and " +\r
-                            "(../max-uni-count > 2))" {\r
-                error-message "If EVC Type is Rooted-Multipoint, " +\r
-                                "the value of max-uni-count must be at " +\r
-                                "least 3.";\r
-                description\r
-                                "If EVC Type is Rooted-Multipoint, the value " +\r
-                                "of max-uni-count must be at least 3.";\r
-              }\r
-              // mandatory true;\r
-              description\r
-                            "This EVC attribute describes the EVC as either " +\r
-                            "Multipoint-To-Multipoint, Point-To-Point, or " +\r
-                            "Rooted-Multipoint.";\r
-              reference "[MEF10.3] Section 8.1, [R4], [R5], " +\r
-                            "[R10], [R11], [R12], [R13] and [R14]. " +\r
-                            "[MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf admin-state-enabled {\r
-              type boolean;\r
-              default "true";\r
-              description\r
-                            "EVC: Locked/Unlocked is inconsistent with " +\r
-                            "Oper Status and will be confusing.";\r
-              reference "[MEF15]. [MEF7.3] Section 11.1.1.";\r
-            }\r
-            leaf elastic-enabled {\r
-              type boolean;\r
-              default "true";\r
-              description\r
-                            "EVC: Elastic Enabled/Disabled.";\r
-              reference "[MEF7.3] Section 11.1.1.";\r
-            }\r
-            leaf elastic-service {\r
-              type mef-types:identifier45;\r
-              description\r
-                            "EVC: Related to CE4Cloud Information Model.";\r
-              reference "[MEF7.3] Section 11.1.1.";\r
-            }\r
-            leaf max-uni-count {\r
-              type uint32 {\r
-                range "2..max";\r
-              }\r
-              must "(. > 2) or ((. = 2) and " +\r
-                            "(../evc-type = 'point-to-point'))" {\r
-                error-message "If EVC Type is Point-to-Point, the " +\r
-                                "max-uni-count value must be 2.";\r
-                description\r
-                                "If EVC Type is Point-to-Point, the max-uni-count " +\r
-                                "value must be 2.";\r
-              }\r
-              must "(. = 2) or ((. > 2) and " +\r
-                            "((../evc-type = 'multipoint-to-multipoint') or " +\r
-                            "(../evc-type = 'rooted-multipoint')))" {\r
-                error-message "If EVC Type is " +\r
-                                "Multipoint-to-Multipoint or " +\r
-                                "Rooted-Multipoint, the max-uni-count value " +\r
-                                "must be at least 3.";\r
-                description\r
-                                "If EVC Type is Multipoint-to-Multipoint or " +\r
-                                "Rooted-Multipoint, the max-uni-count value " +\r
-                                "must be at least 3.";\r
-              }\r
-              default "2";\r
-              description\r
-                            "EVC:The Maximum Number of UNIs this EVC can be " +\r
-                            "configured for (Default 2).If EVC Type is " +\r
-                            "Multipoint-to-Multipoint or Rooted-Multipoint, " +\r
-                            "the max-uni-count value must be at least 3. " +\r
-                            "This value must be 2 for point-to-point mode.";\r
-              reference "[MEF10.3] [R14]. [MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf preserved-vlan {\r
-              type uint32;\r
-            }\r
-            leaf preserve-ce-vlan-id {\r
-              type boolean;\r
-              default "false";\r
-              description\r
-                            "EVC:An EVC with more than one CE-VLAN ID mapping " +\r
-                            "to it must have the same list of CE-VLAN IDs " +\r
-                            "mapping to the EVC at each UNI in the EVC.";\r
-              reference "[MEF10.3] Section 8.6.1, [R24] [R25], " +\r
-                            "Section 9.10.2, Section 9.12, [R81], Figure 20. " +\r
-                            "[MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf cos-preserve-ce-vlan-id {\r
-              type boolean;\r
-              default "false";\r
-              description\r
-                            "EVC: Preserve CE-VLAN ID for CoS.";\r
-              reference "[MEF10.3] Section 8.6.2, [R26]. " +\r
-                            "[MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf evc-performance-sls {\r
-              type leafref {\r
-                path "/mef-global:mef-global/mef-global:slss/" +\r
-                                "mef-global:sls/mef-global:sls-id";\r
-              }\r
-              description\r
-                            "EVC: EVC-specific performance objectives and " +\r
-                            "parameters. Note that an SLS can also specify " +\r
-                            "performance objectives spanning more than one EVC. " +\r
-                            "By default, all the UNI associated with the EVC " +\r
-                            "have this SLS applied for them.";\r
-              reference "[MEF10.3] Section 8.8, Section 10. " +\r
-                            "[MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf unicast-svc-frm-delivery {\r
-              type mef-types:data-svc-frame-delivery-type;\r
-              default "unconditional";\r
-              description\r
-                            "EVC: Unicast Data Service Frame Delivery Mode " +\r
-                            "(unconditional[default], conditional, or discard).";\r
-              reference "[MEF10.3] Section 8.5.2,[R16], [R17], " +\r
-                            "Section 8.8, Section 11. [MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf multicast-svc-frm-delivery {\r
-              type mef-types:data-svc-frame-delivery-type;\r
-              default "unconditional";\r
-              description\r
-                            "EVC: Multicast Data Service Frame Delivery Mode " +\r
-                            "(unconditional[default], conditional, or discard).";\r
-              reference "[MEF10.3] Section 8.5.2, [R16], [R18], " +\r
-                            "Section 8.8, Section 11. [MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf broadcast-svc-frm-delivery {\r
-              type mef-types:data-svc-frame-delivery-type;\r
-              default "unconditional";\r
-              description\r
-                            "EVC: Broadcast Data Service Frame Delivery Mode " +\r
-                            "(unconditional[default], conditional, or discard).";\r
-              reference "[MEF10.3] Section 8.5.2, [R16], [R19], " +\r
-                            "Section 8.8, Section 11. [MEF7.3] Section 12.2.2.";\r
-            }\r
-            leaf evc-meg-id {\r
-              type mef-types:identifier45;\r
-              description\r
-                            "EVC: Identifies the Maintenance Entity Group (MEG) " +\r
-                            "for this EVC.";\r
-              reference "[MEF7.3] Section 12.2.2. MEF 35.1.";\r
-            }\r
-            leaf max-svc-frame-size {\r
-              type mef-types:max-svc-frame-size-type;\r
-              default "1600";\r
-              description\r
-                            "EVC: This attribute describes the maximum service " +\r
-                            "frame size for the EVC.";\r
-              reference "[MEF10.3] Section 8.9, Section 9.7, [R71], " +\r
-                            "[MEF6.2] Section 8.2.2 and MEF 22.1: [D2]. " +\r
-                            "[MEF7.3] Section 12.2.2.";\r
-            }\r
-          }\r
-        }\r
-      }\r
-      leaf svc-id {\r
-        type mef-types:retail-svc-id-type;\r
-        description\r
-                "The MEF Service ID is a simple key used to " +\r
-                "distinguish MEF Service Configuration Groups.";\r
-        reference "[MEF10.3] Section 7.";\r
-      }\r
-      leaf sp-id {\r
-        when "/mef-global:mef-global/mef-global:svc-providers" {\r
-          description\r
-                    "Only configure when the Global Service Providers " +\r
-                    "list has been populated.";\r
-        }\r
-        type leafref {\r
-          path "/mef-global:mef-global/mef-global:svc-providers/" +\r
-                    "mef-global:svc-provider/mef-global:sp-id";\r
-        }\r
-        description\r
-                "The MEF Service Provider ID must be globally unique " +\r
-                "as all CENs and Subscribers must be supported by a " +\r
-                "specific Service Provider(SP). A SP can support " +\r
-                "multiple CENs.";\r
-        reference "[MEF10.3] Section 7.";\r
-      }\r
-      leaf svc-type {\r
-        type mef-types:mef-service-type;\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "svc-mux-enabled = 'true']) = 0))" {\r
-          error-message "For EPL, Service Multiplexing must be " +\r
-                    "disabled for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EPL, Service Multiplexing must be disabled for " +\r
-                    "all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "bundling-enabled = 'true']) = 0))" {\r
-          error-message "For EPL, Bundling must be disabled for " +\r
-                    "all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EPL, Bundling must be disabled for all UNIs in " +\r
-                    "the EVC UNI List.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/" +\r
-                "mef-services:uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "all-to-one-bundling-enabled = 'false']) = 0))" {\r
-          error-message "For EPL, All-to-One Bundling must be " +\r
-                    "enabled for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EPL, All-to-One Bundling must be enabled for " +\r
-                    "all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "max-evc-count != 1]) = 0))" {\r
-          error-message "For EPL, Max EVC Count must be 1 for " +\r
-                    "all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EPL, Max EVC Count must be 1 for all UNIs " +\r
-                    "in the EVC UNI List.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(count(../evc/unis/uni/egress-bwp-flows-per-eec/" +\r
-                "bwp-flow-per-eec) = 0))" {\r
-          error-message "For EPL, Egress Bandwidth Profile per " +\r
-                    "Egress Equivalence Class cannot be set for " +\r
-                    "all UNIs in the EVC per UNI List.";\r
-          description\r
-                    "For EPL, Egress Bandwidth Profile per Egress " +\r
-                    "Equivalence Class cannot be set for all UNIs in the " +\r
-                    "EVC per UNI List.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(count(../evc/unis/uni" +\r
-                "[src-mac-addr-limit-enabled = 'true']) = 0) )" {\r
-          error-message "For EPL, Source MAC Address Limit must " +\r
-                    "be disabled.";\r
-          description\r
-                    "For EPL, Source MAC Address Limit must be disabled.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(../evc/evc-type = 'point-to-point'))" {\r
-          error-message "For EPL, EVC Type must be Point-to-Point.";\r
-          description\r
-                    "For EPL, EVC Type must be Point-to-Point.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(../evc/unicast-svc-frm-delivery = " +\r
-                "'unconditional'))" {\r
-          error-message "For EPL, unicast-svc-frm-delivery " +\r
-                    "must be unconditional.";\r
-          description\r
-                    "For EPL, unicast-svc-frm-delivery must be " +\r
-                    "unconditional.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(../evc/multicast-svc-frm-delivery = " +\r
-                "'unconditional'))" {\r
-          error-message "For EPL, multicast-svc-frm-delivery " +\r
-                    "must be unconditional.";\r
-          description\r
-                    "For EPL, multicast-svc-frm-delivery must be " +\r
-                    "unconditional.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(../evc/broadcast-svc-frm-delivery = " +\r
-                "'unconditional'))" {\r
-          error-message "For EPL, broadcast-svc-frm-delivery " +\r
-                    "must be unconditional.";\r
-          description\r
-                    "For EPL, broadcast-svc-frm-delivery must be " +\r
-                    "unconditional.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(../evc/preserve-ce-vlan-id = 'true'))" {\r
-          error-message "For EPL, CE-VLAN ID Preservation " +\r
-                    "must be enabled.";\r
-          description\r
-                    "For EPL, CE-VLAN ID Preservation must be enabled.";\r
-        }\r
-        must "(. != 'epl') or ((. = 'epl') and " +\r
-                "(../evc/cos-preserve-ce-vlan-id = 'true'))" {\r
-          error-message "For EPL, CE-VLAN ID CoS Preservation " +\r
-                    "must be enabled.";\r
-          description\r
-                    "For EPL, CE-VLAN ID CoS Preservation must be enabled.";\r
-        }\r
-        must "(. != 'evpl') or ((. = 'evpl') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "all-to-one-bundling-enabled = 'true']) = 0))" {\r
-          error-message "For EVPL, All-to-One Bundling must be " +\r
-                    "disabled for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EVPL, All-to-One Bundling must be disabled for " +\r
-                    "all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'evpl') or ((. = 'evpl') and " +\r
-                "((../evc/unicast-svc-frm-delivery != " +\r
-                "'unconditional') or " +\r
-                "(../evc/multicast-svc-frm-delivery != " +\r
-                "'unconditional') or " +\r
-                "(../evc/broadcast-svc-frm-delivery != " +\r
-                "'unconditional') or " +\r
-                "count(../evc/unis/uni" +\r
-                "[src-mac-addr-limit-enabled = 'true']) = 0))" {\r
-          error-message "For EVPL, Source MAC Address Limit must " +\r
-                    "be disabled for all UNIs in the EVC per " +\r
-                    "UNI List if all 3 -svc-frm-delivery values " +\r
-                    "are unconditional.";\r
-          description\r
-                    "For EVPL, Source MAC Address Limit must be disabled " +\r
-                    "for all UNIs in the EVC per UNI List if all " +\r
-                    "3 -svc-frm-delivery values are unconditional.";\r
-        }\r
-        must "(. != 'evpl') or ((. = 'evpl') and " +\r
-                "(../evc/evc-type = 'point-to-point'))" {\r
-          error-message "For EVPL, EVC Type must be Point-to-Point.";\r
-          description\r
-                    "For EVPL, EVC Type must be Point-to-Point.";\r
-        }\r
-        must "(. != 'eplan') or ((. = 'eplan') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "svc-mux-enabled = 'true']) = 0))" {\r
-          error-message "For EP-LAN, Service Multiplexing must " +\r
-                    "be disabled for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EP-LAN, Service Multiplexing must be disabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eplan') or ((. = 'eplan') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "bundling-enabled = 'true']) = 0))" {\r
-          error-message "For EP-LAN, Bundling must be disabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EP-LAN, Bundling must be disabled for all UNIs " +\r
-                    "in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eplan') or ((. = 'eplan') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/" +\r
-                "mef-services:uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "all-to-one-bundling-enabled = 'false']) = 0))" {\r
-          error-message "For EP-LAN, All-to-One Bundling " +\r
-                    "must be enabled for all UNIs in the " +\r
-                    "EVC UNI List.";\r
-          description\r
-                    "For EP-LAN, All-to-One Bundling must be enabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eplan') or ((. = 'eplan') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/" +\r
-                "mef-services:uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "max-evc-count != 1]) = 0))" {\r
-          error-message "For EP-LAN, Max EVC Count must be 1 " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EP-LAN, Max EVC Count must be 1 for all UNIs in " +\r
-                    "the EVC UNI List.";\r
-        }\r
-        must "(. != 'eplan') or ((. = 'eplan') and " +\r
-                "(../evc/evc-type = 'multipoint-to-multipoint'))" {\r
-          error-message "For EP-LAN, EVC Type must be " +\r
-                    "Multipoint-to-Multipoint.";\r
-          description\r
-                    "For EP-LAN, EVC Type must be " +\r
-                    "Multipoint-to-Multipoint.";\r
-        }\r
-        must "(. != 'eplan') or ((. = 'eplan') and " +\r
-                "(../evc/preserve-ce-vlan-id = 'true'))" {\r
-          error-message "For EP-LAN, CE-VLAN ID Preservation " +\r
-                    "must be enabled.";\r
-          description\r
-                    "For EP-LAN, CE-VLAN ID Preservation must be enabled.";\r
-        }\r
-        must "(. != 'eplan') or ((. = 'eplan') and " +\r
-                "(../evc/cos-preserve-ce-vlan-id = 'true'))" {\r
-          error-message "For EP-LAN, CE-VLAN ID CoS Preservation " +\r
-                    "must be enabled.";\r
-          description\r
-                    "For EP-LAN, CE-VLAN ID CoS Preservation must be " +\r
-                    "enabled.";\r
-        }\r
-        must "(. != 'evplan') or ((. = 'evplan') and " +\r
-                "(../evc/evc-type = 'multipoint-to-multipoint'))" {\r
-          error-message "For EVP-LAN, EVC Type must be " +\r
-                    "Multipoint-to-Multipoint.";\r
-          description\r
-                    "For EVP-LAN, EVC Type must be " +\r
-                    "Multipoint-to-Multipoint.";\r
-        }\r
-        must "(. != 'evplan') or ((. = 'evplan') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "all-to-one-bundling-enabled = 'true']) = 0))" {\r
-          error-message "For EVP-LAN, All-to-One Bundling must " +\r
-                    "be disabled for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EVP-LAN, All-to-One Bundling must be disabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eptree') or ((. = 'eptree') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "svc-mux-enabled = 'true']) = 0))" {\r
-          error-message "For EP-TREE, Service Multiplexing " +\r
-                    "must be disabled for all UNIs in the " +\r
-                    "EVC UNI List.";\r
-          description\r
-                    "For EP-TREE, Service Multiplexing must be disabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eptree') or ((. = 'eptree') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "bundling-enabled = 'true']) = 0))" {\r
-          error-message "For EP-TREE, Bundling must be disabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EP-TREE, Bundling must be disabled for all UNIs " +\r
-                    "in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eptree') or ((. = 'eptree') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/" +\r
-                "mef-services:uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "all-to-one-bundling-enabled = 'false']) = 0))" {\r
-          error-message "For EP-TREE, All-to-One Bundling must " +\r
-                    "be enabled for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EP-TREE, All-to-One Bundling must be enabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eptree') or ((. = 'eptree') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/" +\r
-                "mef-services:uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "max-evc-count != 1]) = 0))" {\r
-          error-message "For EP-TREE, Max EVC Count must be 1 " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EP-TREE, Max EVC Count must be 1 for all UNIs " +\r
-                    "in the EVC UNI List.";\r
-        }\r
-        must "(. != 'eptree') or ((. = 'eptree') and " +\r
-                "(../evc/evc-type = 'rooted-multipoint'))" {\r
-          error-message "For EP-TREE, EVC Type must be " +\r
-                    "Rooted-Multipoint.";\r
-          description\r
-                    "For EP-TREE, EVC Type must be Rooted-Multipoint.";\r
-        }\r
-        must "(. != 'eptree') or ((. = 'eptree') and " +\r
-                "(../evc/preserve-ce-vlan-id = 'true'))" {\r
-          error-message "For EP-TREE, CE-VLAN ID Preservation " +\r
-                    "must be enabled.";\r
-          description\r
-                    "For EP-TREE, CE-VLAN ID Preservation must be enabled.";\r
-        }\r
-        must "(. != 'eptree') or ((. = 'eptree') and " +\r
-                "(../evc/cos-preserve-ce-vlan-id = 'true'))" {\r
-          error-message "For EP-TREE, CE-VLAN ID " +\r
-                    "CoS Preservation must be enabled.";\r
-          description\r
-                    "For EP-TREE, CE-VLAN ID CoS Preservation must be " +\r
-                    "enabled.";\r
-        }\r
-        must "(. != 'evptree') or ((. = 'evptree') and " +\r
-                "(count(/mef-interfaces:mef-interfaces/" +\r
-                "mef-interfaces:unis/mef-interfaces:uni" +\r
-                "[mef-interfaces:uni-id = current()/../" +\r
-                "mef-services:evc/mef-services:unis/mef-services:" +\r
-                "uni/mef-services:uni-id]" +\r
-                "[mef-interfaces:uni-id/../mef-interfaces:" +\r
-                "all-to-one-bundling-enabled = 'true']) = 0))" {\r
-          error-message "For EVP-TREE, All-to-One Bundling " +\r
-                    "must be disabled for all UNIs in the EVC UNI List.";\r
-          description\r
-                    "For EVP-TREE, All-to-One Bundling must be disabled " +\r
-                    "for all UNIs in the EVC UNI List.";\r
-        }\r
-        must "(. != 'evptree') or ((. = 'evptree') and " +\r
-                "(../evc/evc-type = 'rooted-multipoint'))" {\r
-          error-message "For EVP-TREE, EVC Type must be " +\r
-                    "Rooted-Multipoint.";\r
-          description\r
-                    "For EVP-TREE, EVC Type must be Rooted-Multipoint.";\r
-        }\r
-        description\r
-                "The MEF Service Type.";\r
-      }\r
-      leaf user-label {\r
-        type mef-types:identifier45;\r
-        description\r
-                "This MEF user label is set by the user to a value " +\r
-                "that is easier to identify than the Service ID.";\r
-      }\r
-      leaf svc-entity {\r
-        type mef-types:service-entity-type;\r
-        default "evc";\r
-        description\r
-                "MEF Service Entity.";\r
-        reference "[MEF12.2] Table 3.";\r
-      }\r
-      leaf tenant-id {\r
-        type leafref {\r
-          path "/mef-global:mef-global/mef-global:tenants-instances/mef-global:tenant-list/mef-global:name";\r
-        }\r
-      }\r
-    }\r
-  }\r
-}\r
+module mef-services {
+  namespace "http://metroethernetforum.org/ns/yang/mef-services";
+  prefix mef-services;
+  import ietf-yang-types { prefix yang; }
+  import ietf-inet-types { prefix inet; }
+  import mef-types { prefix mef-types; }
+  import mef-global { prefix mef-global; }
+  import mef-interfaces { prefix mef-interfaces; }
+  import yang-ext {prefix ext; revision-date "2013-07-09";}
+
+  organization "Metro Ethernet Forum";
+  contact
+    "Web URL: http://metroethernetforum.org/ E-mail: mibs@metroethernetforum.org
+    Postal: Metro Ethernet Forum 6033 W. Century Boulevard, Suite
+    1107 Los Angeles, CA 90045 U.S.A. Phone: +1 310-642-2800 Fax:
+    +1 310-642-2808";
+  description
+    "This module implements the Carrier Ethernet Services as defined
+    in MEF 10.3, MEF 6.2, and MEF 7.2. Reference Overview: A number
+    of base documents have been used to create the MEF Services YANG
+    Module. The following are the abbreviations for the baseline documents:
+    [RFC 6991] refers to IETF RFC 6991 'Common YANG Data Types', 2013-07-15
+    [RFC 6643] refers to IETF RFC 6643 'Translation of Structure of
+    Management Information Version 2 (SMIv2) MIB Modules to YANG Modules',
+    2011-11-25 [802.1AB] refers to 'Station and Media Access Control
+    Connectivity Discovery', IEEE 802.1AB-2009, September 2009 [802.1q]
+    refers to IEEE 802.1Q-2011 'IEEE Standard for Local and metropolitan
+    area networks --Media Access Control (MAC) Bridges and Virtual
+    Bridged Local Area Networks, August 2011 [802-2001] refers to
+    'IEEE Standard for Local and Metropolitan Area Networks: Overview
+    and Architecture', IEEE 802-2001, February 2002 [MEF10.3] refers
+    to MEF 10.3 'Ethernet Services Attributes Phase 3', October 2013
+    [MEF6.2] refers to MEF 6.2 'EVC Ethernet Services Defintions Phase
+    3', August 2014 [MEF40] refers to MEF 40 'UNI and EVC Definition
+    of Managed Objects', April 2013 [MEF45] refers to MEF 45 'Multi-CEN
+    L2CP', August 2014 [MEF7.2] refers to MEF 7.2 'Carrier Ethernet
+    Management Information Model', April 2013 [MEF7.3] refers to MEF
+    7.3 'Carrier Ethernet Management Information Model', Working Draft
+    #1 2015 [RFC 2737] refers to IETF RFC 2737 'Entity MIB (Version
+    2)', December 1999 [RFC 2863] refers to IETF RFC 2863 'The Interfaces
+    Group MIB', June 2000 [RFC 3419] refers to IETF RFC 3419 'Textual
+    Conventions for Transport Addresses', December 2002 [Y.1731] refers
+    to ITU-T Y.1731 'OAM functions and mechanisms for Ethernet based
+    networks', July 2011 [Q.840.1] refers to ITU-T Q.840.1 'Requirements
+    and analysis for NMS-EMS management interface of Ethernet over
+    Transport and Metro Ethernet Network(EoT/MEN)' March 2007";
+  revision 2015-05-26 {
+    description
+        "Formal Project Review Draft 1.";
+    reference "EVC Ethernet Services Definitions YANG Modules " +
+        "(MEF XX), TBD";
+  }
+
+  container mef-services {
+    description
+        "MEF Services";
+    list mef-service {
+      must "(not(/mef-global:mef-global/mef-global:svc-providers)" +
+            " and " +
+            "not(./sp-id)) or " +
+            "(/mef-global:mef-global/mef-global:svc-providers and " +
+            "./sp-id)" {
+        error-message "If the Service Providers list has been " +
+                "populated, a Service Provider ID must be " +
+                "configured for a Service.";
+        description
+                "A Service sees a single Service Provider. This must " +
+                "statement is effectively a 'mandatory true' when " +
+                "the Global Service Providers list is being used.";
+      }
+      key "svc-id";
+      unique "evc/evc-id";
+      unique "ipvc/ipvc-id";
+      description
+            "Metro Ethernet Forum's Ethernet Services.";
+      choice mef-service-choice {
+        case ipvc-choice {
+          container ipvc {
+            container unis {
+              list uni {
+                key "uni-id ip-uni-id";
+                leaf uni-id {
+                  type leafref {
+                    path "/mef-interfaces:mef-interfaces/" +
+                                        "mef-interfaces:unis/mef-interfaces:uni/" +
+                                        "mef-interfaces:uni-id";
+                  }
+                }
+                leaf-list security-groups {
+                    type yang:uuid;
+                    description "The security group ID to associate with this interface.";
+                }
+                leaf port-security-enabled {
+                    type boolean;
+                    description "The port security status. The status is enabled (true) or disabled (false).";
+                }
+                leaf ip-uni-id {
+                  type mef-types:identifier45;
+                }
+                leaf ingress-bw-profile {
+                    type mef-types:identifier45;
+                }
+
+                container evc-uni-ce-vlans {
+                  description
+                                    "EVC Per UNI CE-VLAN IDs.";
+                  list evc-uni-ce-vlan {
+                    key "vid";
+                    description
+                                        "A list of the CE-VLAN IDs mapped to this UNI " +
+                                        "for this EVC.";
+                    reference "[MEF10.3] Section 8.6.1, [R24] " +
+                                        "[R25], Section 9.10.2, Section 9.12, " +
+                                        "[R76], [R81].";
+                    leaf vid {
+                      type leafref {
+                        path "/mef-interfaces:mef-interfaces/" +
+                                                "mef-interfaces:unis/" +
+                                                "mef-interfaces:uni" +
+                                                "[mef-interfaces:uni-id = " +
+                                                "current()/../../../uni-id]" +
+                                                "/mef-interfaces:ce-vlans/" +
+                                                "mef-interfaces:ce-vlan/" +
+                                                "mef-interfaces:vid";
+                      }
+                      description
+                                            "VLAN Identifier.";
+                    }
+                  }
+                }
+              }
+            }
+
+            leaf ipvc-id {
+              type mef-types:evc-id-type;
+              mandatory true;
+            }
+            leaf ipvc-type {
+              type mef-types:ipvc-type;
+
+              mandatory true;
+              description
+                            "This IPVC attribute describes the IPVC as either " +
+                            "Cloud-access, Multipoint, or " +
+                            "Rooted-Multipoint.";
+            }
+          }
+        }
+        case evc-choice {
+          container evc {
+
+            must "not(sls-uni-inclusions) or " +
+                        "(sls-uni-inclusions and not(sls-uni-exclusions))" {
+              error-message "The EVC Performance SLS Exclusions and " +
+                            "Inclusions List cannot both be configured for " +
+                            "an EVC.";
+              description
+                            "The EVC Performance SLS Exclusions and Inclusions " +
+                            "List cannot both be configured for an EVC.";
+            }
+            must "(evc-type != 'rooted-multipoint') or " +
+                        "((evc-type = 'rooted-multipoint') and " +
+                        "not(sls-uni-exclusions) )" {
+              error-message "If EVC Type is Rooted-Multipoint, " +
+                            "sls-uni-inclusions must be used instead of " +
+                            "sls-uni-exclusions.";
+              description
+                            "If EVC Type is Rooted-Multipoint, " +
+                            "sls-uni-inclusions must be used instead of " +
+                            "sls-uni-exclusions.";
+            }
+            description
+                        "Ethernet Virtual Circuit(EVC) Configuration and Status.";
+            container unis {
+              description
+                            "EVC Per Universal Network Interface(UNI) " +
+                            "Configuration and Status.";
+              list uni {
+                must "not(evc-uni-ce-vlans/evc-uni-ce-vlan[2]) or " +
+                                "../../preserve-ce-vlan-id = 'true'" {
+                  error-message "When more than one CE-VLAN-ID is " +
+                                    "mapped to an EVC at a UNI, the EVC must have " +
+                                    "CE-VLAN ID Preservation Enabled.";
+                  description
+                                    "When more than one CE-VLAN-ID is mapped to " +
+                                    "an EVC at a UNI, the EVC must have CE-VLAN ID " +
+                                    "Preservation Enabled.";
+                }
+                must "/mef-interfaces:mef-interfaces/mef-interfaces:" +
+                                "unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                                "max-svc-frame-size >= current()/../../" +
+                                "mef-services:max-svc-frame-size]" {
+                  error-message "The value of the EVC Maximum " +
+                                    "Service Frame Size must be less than " +
+                                    "or equal to all the UNI Maximum Service " +
+                                    "Frame Sizes.";
+                  description
+                                    "The value of the EVC Maximum Service Frame " +
+                                    "Size must be less than or equal to all the " +
+                                    "UNI Maximum Service Frame Sizes.";
+                }
+                must "(/mef-interfaces:mef-interfaces/mef-interfaces:" +
+                                "unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                                "bundling-enabled = 'true']) or " +
+                                "(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                                "all-to-one-bundling-enabled = 'true']) or " +
+                                "not(evc-uni-ce-vlans/evc-uni-ce-vlan[2])" {
+                  error-message "If both Bundling and All-to-One " +
+                                    "Bundling are disabled for a UNI, only one " +
+                                    "CE VLAN ID can be configured for a specific " +
+                                    "EVC on that UNI.";
+                  description
+                                    "If both Bundling and All-to-One Bundling are " +
+                                    "disabled for a UNI, only one CE VLAN ID can be " +
+                                    "configured for a specific EVC on that UNI.";
+                }
+                must "(/mef-interfaces:mef-interfaces/mef-interfaces:" +
+                                "unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                                "all-to-one-bundling-enabled = 'false']) or " +
+                                "(count(/mef-services:mef-services/" +
+                                "mef-service/evc/unis/uni[uni-id = " +
+                                "current()/uni-id]) = 1)" {
+                  error-message "If All-to-One Bundling is enabled " +
+                                    "for any UNI in an EVC, all CE-VLAN IDs " +
+                                    "mapped to any EVC for that UNI must map " +
+                                    "to the same EVC ID.";
+                  description
+                                    "If All-to-One Bundling is enabled for any UNI " +
+                                    "in an EVC, all CE-VLAN IDs mapped to any EVC " +
+                                    "for that UNI must map to the same EVC ID.";
+                }
+                must "((/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                                "ingress-bw-profile-per-uni]) or " +
+                                "(/mef-services:mef-services/mef-service/" +
+                                "evc/unis/uni" +
+                                "[uni-id = current()/mef-services:uni-id]" +
+                                "/ingress-bwp-flows-per-cos) or " +
+                                "(/mef-services:mef-services/mef-service/" +
+                                "evc/unis/uni" +
+                                "[uni-id = current()/mef-services:uni-id]" +
+                                "/ingress-bw-profile-per-evc)) or " +
+                                "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-envelopes)" {
+                  error-message "If no Ingress Bandwidth Profiles " +
+                                    "are specied for this UNI (BW Profile " +
+                                    "Per UNI, BWP Flows Per CoS, nor BW Profile " +
+                                    "Per EVC), then the UNI Ingress Envelopes " +
+                                    "list must be empty.";
+                  description
+                                    "If no Ingress Bandwidth Profiles are specied " +
+                                    "for this UNI (BW Profile Per UNI, BWP Flows " +
+                                    "Per CoS, nor BW Profile Per EVC), then the " +
+                                    "UNI Ingress Envelopes list must be empty.";
+                }
+                must "((/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                                "egress-bw-profile-per-uni]) or " +
+                                "(/mef-services:mef-services/mef-service/" +
+                                "evc/unis/uni" +
+                                "[uni-id = current()/mef-services:uni-id]" +
+                                "/egress-bwp-flows-per-eec) or " +
+                                "(/mef-services:mef-services/mef-service/" +
+                                "evc/unis/uni" +
+                                "[uni-id = current()/mef-services:uni-id]" +
+                                "/egress-bw-profile-per-evc)) or " +
+                                "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-envelopes)" {
+                  error-message "If no Egress Bandwidth Profiles are " +
+                                    "specied for this UNI (BW Profile Per UNI, " +
+                                    "BWP Flows Per EEC, nor BW Profile Per EVC), " +
+                                    "then the UNI Egress Envelopes list must be " +
+                                    "empty.";
+                  description
+                                    "If no Egress Bandwidth Profiles are specied " +
+                                    "for this UNI (BW Profile Per UNI, BWP Flows " +
+                                    "Per EEC, nor BW Profile Per EVC), then the UNI " +
+                                    "Egress Envelopes list must be empty.";
+                }
+                must "not(./ingress-bw-profile-per-evc) or " +
+                                "((./ingress-bw-profile-per-evc) and " +
+                                "not(./ingress-bwp-flows-per-cos))" {
+                  error-message "If there is a per EVC Ingress " +
+                                    "Bandwidth Profile on an EVC, then there " +
+                                    "cannot be any per Class of Service Ingress " +
+                                    "Bandwidth Profiles on that EVC.";
+                  description
+                                    "If there is a per EVC Ingress Bandwidth Profile " +
+                                    "on an EVC, then there cannot be any per " +
+                                    "Class of Service Ingress Bandwidth Profiles " +
+                                    "on that EVC.";
+                }
+                must "not(./egress-bw-profile-per-evc) or " +
+                                "((./egress-bw-profile-per-evc) and " +
+                                "not(./egress-bwp-flows-per-eec))" {
+                  error-message "If there is a per EVC Egress " +
+                                    "Bandwidth Profile on an EVC, then there " +
+                                    "cannot be any per Egress Equivalence " +
+                                    "Class Identifier Bandwidth Profiles on " +
+                                    "that EVC.";
+                  description
+                                    "If there is a per EVC Egress Bandwidth " +
+                                    "Profile on an EVC, then there cannot be " +
+                                    "any per Egress Equivalence Class Identifier " +
+                                    "Bandwidth Profiles on that EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-bw-profile-" +
+                                "per-uni) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:ingress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-bw-profile-per-uni]" +
+                                "[mef-global:cir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:ingress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-bw-profile-per-uni]" +
+                                "[mef-global:cbs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Ingress Bandwidth Profile Per UNI: " +
+                                    "If CIR > 0, CBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                  description
+                                    "Ingress Bandwidth Profile Per UNI: If CIR > 0, " +
+                                    "CBS must be greater than or equal to the " +
+                                    "EVC Max Service Frame Size for the EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-bw-profile-per-uni) " +
+                                "or " +
+                                "(/mef-global:mef-global/mef-global:profiles/" +
+                                "mef-global:egress-bwp-flows/mef-global:" +
+                                "bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-bw-profile-per-uni]" +
+                                "[mef-global:cir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:profiles/" +
+                                "mef-global:ingress-bwp-flows/mef-global:" +
+                                "bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-bw-profile-per-uni]" +
+                                "[mef-global:cbs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Egress Bandwidth Profile Per UNI: " +
+                                    "If CIR > 0, CBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                  description
+                                    "Egress Bandwidth Profile Per UNI: If CIR > 0, " +
+                                    "CBS must be greater than or equal to the " +
+                                    "EVC Max Service Frame Size for the EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-envelopes) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:ingress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:cir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:ingress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:cbs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Ingress Bandwidth Profile Envelope: " +
+                                    "If CIR > 0, CBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                  description
+                                    "Ingress Bandwidth Profile Envelope: " +
+                                    "If CIR > 0, CBS must be greater than " +
+                                    "or equal to the EVC Max Service Frame " +
+                                    "Size for the EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-envelopes) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:egress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = " +
+                                "/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:cir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:egress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:cbs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Egress Bandwidth Profile " +
+                                    "Envelope: If CIR > 0, CBS must be greater " +
+                                    "than or equal to the EVC Max Service Frame " +
+                                    "Size for the EVC.";
+                  description
+                                    "Egress Bandwidth Profile Envelope: If CIR > 0, " +
+                                    "CBS must be greater than or equal to the " +
+                                    "EVC Max Service Frame Size for the EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-bw-profile-per-uni) " +
+                                "or " +
+                                "(/mef-global:mef-global/mef-global:profiles/" +
+                                "mef-global:ingress-bwp-flows/mef-global:" +
+                                "bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]/mef-interfaces:" +
+                                "ingress-bw-profile-per-uni]" +
+                                "[mef-global:eir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:profiles/" +
+                                "mef-global:ingress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-bw-profile-per-uni]" +
+                                "[mef-global:ebs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Ingress Bandwidth Profile Per UNI: " +
+                                    "If EIR > 0, EBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                  description
+                                    "Ingress Bandwidth Profile Per UNI: If EIR > 0, " +
+                                    "EBS must be greater than or equal to the " +
+                                    "EVC Max Service Frame Size for the EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-bw-profile-" +
+                                "per-uni) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:egress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]/mef-interfaces:" +
+                                "egress-bw-profile-per-uni]" +
+                                "[mef-global:eir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:ingress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]/mef-interfaces:" +
+                                "egress-bw-profile-per-uni]" +
+                                "[mef-global:ebs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Egress Bandwidth Profile Per UNI: " +
+                                    "If EIR > 0, EBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                  description
+                                    "Egress Bandwidth Profile Per UNI: If EIR > 0, " +
+                                    "EBS must be greater than or equal to the " +
+                                    "EVC Max Service Frame Size for the EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:" +
+                                "unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-envelopes) or " +
+                                "(/mef-global:mef-global/mef-global:profiles/" +
+                                "mef-global:ingress-bwp-flows/mef-global:" +
+                                "bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:eir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:profiles/" +
+                                "mef-global:ingress-bwp-flows/mef-global:" +
+                                "bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:ingress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:ebs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Ingress Bandwidth Profile Envelope: " +
+                                    "If EIR > 0, EBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                  description
+                                    "Ingress Bandwidth Profile Envelope: " +
+                                    "If EIR > 0, EBS must be greater than or equal " +
+                                    "to the EVC Max Service Frame Size for the EVC.";
+                }
+                must "not(/mef-interfaces:mef-interfaces/" +
+                                "mef-interfaces:unis/mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-envelopes) or " +
+                                "(/mef-global:mef-global/mef-global:" +
+                                "profiles/mef-global:egress-bwp-flows/" +
+                                "mef-global:bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:eir = 0]) or " +
+                                "(/mef-global:mef-global/mef-global:profiles/" +
+                                "mef-global:egress-bwp-flows/mef-global:" +
+                                "bwp-flow" +
+                                "[mef-global:bw-profile = /mef-interfaces:" +
+                                "mef-interfaces/mef-interfaces:unis/" +
+                                "mef-interfaces:uni" +
+                                "[mef-interfaces:uni-id = current()/" +
+                                "mef-services:uni-id]" +
+                                "/mef-interfaces:egress-envelopes/" +
+                                "mef-interfaces:envelope/mef-interfaces:" +
+                                "bwp-flows/mef-interfaces:bwp-flow/" +
+                                "mef-interfaces:bw-profile]" +
+                                "[mef-global:ebs >= current()/../../" +
+                                "max-svc-frame-size])" {
+                  error-message "Egress Bandwidth Profile Envelope: " +
+                                    "If EIR > 0, EBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                  description
+                                    "Egress Bandwidth Profile Envelope: " +
+                                    "If EIR > 0, EBS must be greater than or " +
+                                    "equal to the EVC Max Service Frame Size " +
+                                    "for the EVC.";
+                }
+                key "uni-id";
+                description
+                                "EVC Flow Points and EVC-UNI List defines the " +
+                                "roles of each UNI in the Service. One UNI can " +
+                                "be used by 0 or more EVCs.";
+                reference "[MEF10.3] Section 8.3. " +
+                                "[MEF7.3] Section 12.2.2.";
+                container evc-uni-ce-vlans {
+                  description
+                                    "EVC Per UNI CE-VLAN IDs.";
+                  list evc-uni-ce-vlan {
+                    key "vid";
+                    description
+                                        "A list of the CE-VLAN IDs mapped to this UNI " +
+                                        "for this EVC.";
+                    reference "[MEF10.3] Section 8.6.1, [R24] " +
+                                        "[R25], Section 9.10.2, Section 9.12, " +
+                                        "[R76], [R81].";
+                    leaf vid {
+                      type leafref {
+                        path "/mef-interfaces:mef-interfaces/" +
+                                                "mef-interfaces:unis/" +
+                                                "mef-interfaces:uni" +
+                                                "[mef-interfaces:uni-id = " +
+                                                "current()/../../../uni-id]" +
+                                                "/mef-interfaces:ce-vlans/" +
+                                                "mef-interfaces:ce-vlan/" +
+                                                "mef-interfaces:vid";
+                      }
+                      must "not(current()/../../" +
+                                            "evc-uni-ce-vlan[2]) or " +
+                                            "(count(../../../../uni/evc-uni-ce-vlans/" +
+                                            "evc-uni-ce-vlan" +
+                                            "[vid = current()]) = " +
+                                            "count(../../../../uni))" {
+                        error-message "If more than one CE-VLAN ID " +
+                                                "is configured for a UNI as part of " +
+                                                "an EVC, every CE VLAN-ID mapped to " +
+                                                "that EVC must be configured for all " +
+                                                "UNIs within that EVC.";
+                        description
+                                                "If more than one CE-VLAN ID is configured " +
+                                                "for a UNI as part of an EVC, every " +
+                                                "CE VLAN-ID mapped to that EVC must be " +
+                                                "configured for all UNIs within that EVC.";
+                      }
+                      description
+                                            "VLAN Identifier.";
+                    }
+                  }
+                }
+                leaf-list security-groups {
+                    type yang:uuid;
+                    description "The security group ID to associate with this interface.";
+                }
+                leaf port-security-enabled {
+                    type boolean;
+                    description "The port security status. The status is enabled (true) or disabled (false).";
+                }
+                leaf ingress-bw-profile {
+                    type mef-types:identifier45;
+                }
+                container ingress-bwp-flows-per-cos {
+                  presence "Use Ingress Bandwidth Profiles Per CoS";
+                  description
+                                    "EVC Per UNI Class of Service Identifiers " +
+                                    "corresponding to this EVC's Ingress Bandwidth " +
+                                    "Profile Flows.";
+                  leaf coupling-enabled {
+                    type boolean;
+                    default "false";
+                    description
+                                        "EVC Per UNI Envelope Coupling Flag (CF) " +
+                                        "attribute.";
+                    reference "[MEF10.3] Section 12.1.";
+                  }
+                  list bwp-flow-per-cos {
+                    key "cos-name";
+                    description
+                                        "EVC Per UNI: The list of Class of Service " +
+                                        "Identifiers corresponding to this UNI's " +
+                                        "Ingress Bandwidth Profile Flow.";
+                    leaf cos-name {
+                      type leafref {
+                        path "/mef-global:mef-global/mef-global:" +
+                                                "profiles/mef-global:cos-names/" +
+                                                "mef-global:cos-name/mef-global:name";
+                      }
+                      description
+                                            "EVC Per UNI: Class of Service Identifier " +
+                                            "for this Bandwidth Profile Flow.";
+                      reference "[MEF7.3] Section 12.1.2.";
+                    }
+                    leaf bw-profile {
+                      type leafref {
+                        path "/mef-interfaces:mef-interfaces/" +
+                                                "mef-interfaces:unis/" +
+                                                "mef-interfaces:uni" +
+                                                "[mef-interfaces:uni-id = " +
+                                                "current()/../../../uni-id]" +
+                                                "/mef-interfaces:ingress-envelopes/" +
+                                                "mef-interfaces:envelope/" +
+                                                "mef-interfaces:env-id";
+                      }
+                      mandatory true;
+                      description
+                                            "EVC Per UNI: Ingress Bandwidth Profile " +
+                                            "Envelope Per CoS ID. If this parameter " +
+                                            "is not configured (ie. 'No') this " +
+                                            "setting is configured else at the " +
+                                            "UNI Level.";
+                      reference "[MEF10.3] Section 10.6, Table 28. " +
+                                            "[MEF7.3] Section 12.1.2.";
+                    }
+                  }
+                }
+                container egress-bwp-flows-per-eec {
+                  presence "Using Egress Bandwidth Profiles Per " +
+                                    "Egress Equivalence Class";
+                  description
+                                    "EVC Per UNI: The Egress Equivalence Class " +
+                                    "Identifiers corresponding to this EVC's Egress " +
+                                    "Bandwidth Profile Flows.";
+                  leaf coupling-enabled {
+                    type boolean;
+                    default "false";
+                    description
+                                        "EVC Per UNI: The Envelope Coupling Flag (CF) " +
+                                        "attribute.";
+                    reference "[MEF10.3] Section 12.1.";
+                  }
+                  list bwp-flow-per-eec {
+                    key "eec-name";
+                    description
+                                        "EVC Per UNI: The list of Egress Equivalence " +
+                                        "Class Identifiers corresponding to this " +
+                                        "EVC's Egress Bandwidth Profile Flow.";
+                    leaf eec-name {
+                      type leafref {
+                        path "/mef-global:mef-global/mef-global:" +
+                                                "profiles/mef-global:eec-names/" +
+                                                "mef-global:eec-name/mef-global:name";
+                      }
+                      description
+                                            "EVC Per UNI: Egress Equivalence Class " +
+                                            "Identifier for this Bandwidth Profile Flow.";
+                      reference "[MEF7.3] Section 12.1.2.";
+                    }
+                    leaf bw-profile {
+                      type leafref {
+                        path "/mef-interfaces:mef-interfaces/" +
+                                                "mef-interfaces:unis/" +
+                                                "mef-interfaces:uni" +
+                                                "[mef-interfaces:uni-id = " +
+                                                "current()/../../../uni-id]" +
+                                                "/mef-interfaces:egress-envelopes/" +
+                                                "mef-interfaces:envelope/" +
+                                                "mef-interfaces:env-id";
+                      }
+                      mandatory true;
+                      description
+                                            "EVC Per UNI: Egress Bandwidth Profile " +
+                                            "Envelope Per Equivance Class. If this " +
+                                            "parameter is not configured (ie. 'No') " +
+                                            "this setting is configured else at the " +
+                                            "UNI Level.";
+                      reference "[MEF10.3] Section 10.6, Table 28. " +
+                                            "[MEF7.3] Section 12.1.2.";
+                    }
+                  }
+                }
+                container status {
+                  description
+                                    "EVC Per UNI: This status group is related to " +
+                                    "the MEF 7.3 Service Endpoint";
+                  leaf oper-state-enabled {
+                    type boolean;
+                    default "false";
+                    config false;
+                    description
+                                        "EVC Per UNI: Operational Status of the " +
+                                        "Virtual Connection as Enabled/Disabled.";
+                    reference "[MEF15]. [MEF7.3] Section 11.2.1.";
+                  }
+                  leaf available-status {
+                    type mef-types:svc-endpoint-availability-type;
+                    default "not-installed";
+                    config false;
+                    description
+                                        "EVC Per UNI: Availability Status of the " +
+                                        "Virtual Connection.";
+                    reference "[MEF15]. [MEF7.3] Section 11.2.1.";
+                  }
+                }
+                leaf uni-id {
+                  type leafref {
+                    path "/mef-interfaces:mef-interfaces/" +
+                                        "mef-interfaces:unis/mef-interfaces:uni/" +
+                                        "mef-interfaces:uni-id";
+                  }
+                  description
+                                    "EVC Per UNI: The UNI ID paired with the EVC ID " +
+                                    "in the containing list.";
+                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf role {
+                  type mef-types:evc-uni-role-type;
+                  mandatory true;
+                  description
+                                    "EVC Per UNI: The UNI Role MUST have the value " +
+                                    "of either 'root' or 'leaf'.";
+                  reference "[MEF10.3] [R4], [R5], [R10], [R11], " +
+                                    "[R12]. [MEF7.3] Section 12.2.2.";
+                }
+                leaf admin-state-enabled {
+                  type boolean;
+                  default "true";
+                  description
+                                    "EVC Per UNI: Locked/Unlocked is inconsistent " +
+                                    "with Oper Status and will be confusing.";
+                  reference "[MEF15]. [MEF7.3] Section 11.2.1.";
+                }
+                leaf color-id {
+                  type mef-types:cos-color-identifier-type;
+                  description
+                                    "EVC Per UNI: The Color Identifier for " +
+                                    "Service Frames.";
+                  reference "[MEF10.3] Section 10.3. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf data-svc-frm-cos {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:profiles/" +
+                                        "mef-global:cos/mef-global:cos-profile/" +
+                                        "mef-global:id";
+                  }
+                  must "not(/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:cos/" +
+                                    "mef-global:cos-profile" +
+                                    "[mef-global:id = current()]" +
+                                    "/mef-global:cos-pcp) or " +
+                                    "((/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:cos/" +
+                                    "mef-global:cos-profile" +
+                                    "[mef-global:id = current()]" +
+                                    "/mef-global:cos-pcp) and " +
+                                    "((../color-id = 'pcp') or " +
+                                    "(../color-id = 'dei')) )" {
+                    error-message "When the Class of Service " +
+                                        "Identifier is based on PCP for a " +
+                                        "given EVC at a given UNI, the Color " +
+                                        "Identifier must be based on either " +
+                                        "DEI or PCP.";
+                    description
+                                        "When the Class of Service Identifier is " +
+                                        "based on PCP for a given EVC at a given UNI, " +
+                                        "the Color Identifier must be based on either " +
+                                        "DEI or PCP.";
+                  }
+                  must "not(/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:cos/mef-global:" +
+                                    "cos-profile" +
+                                    "[mef-global:id = current()]/mef-global:" +
+                                    "cos-dscp) or " +
+                                    "((/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:cos/mef-global:" +
+                                    "cos-profile" +
+                                    "[mef-global:id = current()]/mef-global:" +
+                                    "cos-dscp) and " +
+                                    "(../color-id = 'dscp'))" {
+                    error-message "When the Class of Service " +
+                                        "Identifier is based on DSCP for a " +
+                                        "given EVC at a given UNI, the Color " +
+                                        "Identifier must be based DSCP.";
+                    description
+                                        "When the Class of Service Identifier is based " +
+                                        "on DSCP for a given EVC at a given UNI, the " +
+                                        "Color Identifier must be based DSCP.";
+                  }
+                  description
+                                    "EVC Per UNI: Ingress Data Service Frame " +
+                                    "CoS Profile.";
+                  reference "[MEF10.3] Section 8.8, Section 10.2. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf l2cp-svc-frm-cos {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:" +
+                                        "profiles/mef-global:l2cp-cos/mef-global:" +
+                                        "l2cp-profile/mef-global:id";
+                  }
+                  description
+                                    "EVC Per UNI: Ingress Layer 2 Control Protocol " +
+                                    "Processing.";
+                  reference "[MEF10.3] Section 8.8, Section 10.2. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf soam-svc-frm-cos {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:profiles/" +
+                                        "mef-global:cos/mef-global:cos-profile/" +
+                                        "mef-global:id";
+                  }
+                  must "(not(.) and not(../data-svc-frm-cos)) or " +
+                                    "(. = ../data-svc-frm-cos)" {
+                    error-message "For a given EVC at a given UNI, " +
+                                        "the basis for the Class of Service " +
+                                        "Identifier for ingress SOAM Service " +
+                                        "Frames must be the same as that for " +
+                                        "ingress Data Service Frames.";
+                    description
+                                        "For a given EVC at a given UNI, the basis " +
+                                        "for the Class of Service Identifier for " +
+                                        "ingress SOAM Service Frames must be the " +
+                                        "same as that for ingress Data Service Frames.";
+                  }
+                  description
+                                    "EVC Per UNI: Ingress SOAM Service Frames.";
+                  reference "[MEF7.3] Section 12.1.2.";
+                }
+                leaf data-svc-frm-eec {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:profiles/" +
+                                        "mef-global:eec/mef-global:eec-profile/" +
+                                        "mef-global:id";
+                  }
+                  must "not(/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:eec/mef-global:" +
+                                    "eec-profile" +
+                                    "[mef-global:id = current()]" +
+                                    "/mef-global:eec-pcp) or " +
+                                    "((/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:eec/mef-global:" +
+                                    "eec-profile" +
+                                    "[mef-global:id = current()]" +
+                                    "/mef-global:eec-pcp) and " +
+                                    "((../color-id = 'pcp') or " +
+                                    "(../color-id = 'dei')) )" {
+                    error-message "When the Egress Equivalence " +
+                                        "Class Identifier is based on PCP " +
+                                        "for a given EVC at a given UNI, " +
+                                        "the Color Identifier must be based " +
+                                        "on either DEI or PCP.";
+                    description
+                                        "When the Egress Equivalence Class Identifier " +
+                                        "is based on PCP for a given EVC at a " +
+                                        "given UNI, the Color Identifier must " +
+                                        "be based on either DEI or PCP.";
+                  }
+                  must "not(/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:eec/mef-global:" +
+                                    "eec-profile" +
+                                    "[mef-global:id = current()]" +
+                                    "/mef-global:eec-dscp) or " +
+                                    "((/mef-global:mef-global/mef-global:" +
+                                    "profiles/mef-global:eec/mef-global:" +
+                                    "eec-profile" +
+                                    "[mef-global:id = current()]" +
+                                    "/mef-global:eec-dscp) and " +
+                                    "(../color-id = 'dscp'))" {
+                    error-message "When the Egress Equivalence " +
+                                        "Class Identifier is based on DSCP for " +
+                                        "a given EVC at a given UNI, the Color " +
+                                        "Identifier must be based DSCP.";
+                    description
+                                        "When the Egress Equivalence Class Identifier " +
+                                        "is based on DSCP for a given EVC at a given " +
+                                        "UNI, the Color Identifier must be based DSCP.";
+                  }
+                  description
+                                    "EVC Per UNI: Egress Data Service Frame Processing.";
+                  reference "[MEF10.3] Section 10.4. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf l2cp-svc-frm-eec {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:profiles/" +
+                                        "mef-global:l2cp-eec/mef-global:" +
+                                        "l2cp-profile/mef-global:id";
+                  }
+                  description
+                                    "EVC Per UNI: Egress Layer 2 Control Protocol " +
+                                    "Processing.";
+                  reference "[MEF10.3] Section 10.4. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf soam-svc-frm-eec {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:" +
+                                        "profiles/mef-global:eec/mef-global:" +
+                                        "eec-profile/mef-global:id";
+                  }
+                  must "(not(.) and not(../data-svc-frm-eec)) or " +
+                                    "(. = ../data-svc-frm-eec)" {
+                    error-message "For a given EVC at a given UNI, " +
+                                        "the basis for the Egress Equivalence " +
+                                        "Class Identifier for egress SOAM " +
+                                        "Service Frames must be the same as " +
+                                        "that for egress Data Service Frames.";
+                    description
+                                        "For a given EVC at a given UNI, the basis " +
+                                        "for the Egress Equivalence Class Identifier " +
+                                        "for egress SOAM Service Frames must be " +
+                                        "the same as that for egress Data " +
+                                        "Service Frames.";
+                  }
+                  description
+                                    "EVC Per UNI: Egress SOAM Service Frames.";
+                  reference "[MEF10.3] Section 10.4. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf ingress-bw-profile-per-evc {
+                  type leafref {
+                    path "/mef-interfaces:mef-interfaces/" +
+                                        "mef-interfaces:unis/" +
+                                        "mef-interfaces:uni" +
+                                        "[mef-interfaces:uni-id = " +
+                                        "current()/../uni-id]" +
+                                        "/mef-interfaces:ingress-envelopes/" +
+                                        "mef-interfaces:envelope/" +
+                                        "mef-interfaces:env-id";
+                  }
+                  description
+                                    "EVC Per UNI: Ingress Bandwidth Profile " +
+                                    "Envelope Per EVC. If this parameter is " +
+                                    "not configured (ie. 'No') this setting " +
+                                    "is configured else at the UNI Level.";
+                  reference "[MEF10.3] Section 10.5. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf egress-bw-profile-per-evc {
+                  type leafref {
+                    path "/mef-interfaces:mef-interfaces/" +
+                                        "mef-interfaces:unis/" +
+                                        "mef-interfaces:uni" +
+                                        "[mef-interfaces:uni-id = " +
+                                        "current()/../uni-id]" +
+                                        "/mef-interfaces:egress-envelopes/" +
+                                        "mef-interfaces:envelope/mef-interfaces:" +
+                                        "env-id";
+                  }
+                  description
+                                    "EVC Per UNI: Egress Bandwidth Profile Envelope " +
+                                    "Per EVC. If this parameter is not configured " +
+                                    "(ie. 'No') this setting is configured else at " +
+                                    "the UNI Level.";
+                  reference "[MEF10.3] Section 10.7. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf src-mac-addr-limit-enabled {
+                  type boolean;
+                  default "false";
+                  description
+                                    "EVC Per UNI: Source MAC Address Limit " +
+                                    "Enable / Disable. If Enabled, the values " +
+                                    "for the Source MAC Address Limit and Source " +
+                                    "MAC Address Interval must be set.";
+                  reference "[MEF10.3] Section 10.9. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf src-mac-addr-limit {
+                  type uint32 {
+                    range "1..max";
+                  }
+                  description
+                                    "EVC Per UNI: Source MAC Address Limit. " +
+                                    "This value is used when the Source MAC Address " +
+                                    "Limit Enabled is true.";
+                  reference "[MEF10.3] Section 10.9.";
+                }
+                leaf src-mac-addr-limit-interval {
+                  type yang:timeticks;
+                  default "0";
+                  description
+                                    "EVC Per UNI: Source MAC Address Limit " +
+                                    "Interval. This value is used when the " +
+                                    "Source MAC Address Limit Enabled is true.";
+                  reference "[MEF10.3] Section 10.9.";
+                }
+                leaf test-meg-enabled {
+                  type boolean;
+                  default "false";
+                  description
+                                    "EVC Per UNI: Test MEG Enabled / Disabled.";
+                  reference "[MEF10.3] Section 10.10. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf test-meg {
+                  type mef-types:identifier45;
+                  description
+                                    "EVC Per UNI: Test MEG Identifier.";
+                  reference "[MEF7.3] Section 12.1.2.";
+                }
+                leaf subscriber-meg-mip-enabled {
+                  type boolean;
+                  default "false";
+                  description
+                                    "EVC Per UNI: Subscriber MEG MIP " +
+                                    "Enabled / Disabled.";
+                  reference "[MEF10.3] Section 10.11. " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf subscriber-meg-mip {
+                  type mef-types:identifier45;
+                  description
+                                    "EVC Per UNI: Subscriber MEG MIP Identifier.";
+                  reference "[MEF7.3] Section 12.1.2.";
+                }
+              }
+            }
+            container status {
+              description
+                            "This status group is related to the MEF 7.3 Virtual " +
+                            "Connection";
+              leaf oper-state-enabled {
+                type boolean;
+                default "false";
+                config false;
+                description
+                                "EVC Operational Status of the Virtual Connection " +
+                                "as Enabled/Disabled.";
+                reference "[MEF7.3] Section 11.1.1.";
+              }
+              leaf available-status {
+                type mef-types:virt-cx-availability-type;
+                default "not-installed";
+                config false;
+                description
+                                "EVC Availability Status of the Virtual Connection.";
+                reference "[MEF7.3] Section 11.1.1.";
+              }
+            }
+            container sls-inclusions-by-cos {
+              description
+                            "SLS Inclusions by CoS: For this EVC, the following " +
+                            "CoS Names/Labels are applicable.";
+              list sls-inclusion-by-cos {
+                key "cos-name";
+                description
+                                "CoS Name.";
+                leaf cos-name {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:profiles/" +
+                                        "mef-global:cos-names/mef-global:" +
+                                        "cos-name/mef-global:name";
+                  }
+                  description
+                                    "EVC: This attribute identifies the name of " +
+                                    "a class of service (CoS) instance to be used " +
+                                    "for EVC Performance.";
+                }
+              }
+            }
+            container sls-uni-inclusions {
+              presence "EVC: Defines the EVC Flow Points (UNI) Pairs " +
+                            "that must conform to the EVC's SLS Performance " +
+                            "Metrics.";
+              description
+                            "SLS UNI Inclusions List. The following pairs of UNI " +
+                            "Interconnections are to required to meet the " +
+                            "SLS Performance Objectives. Configing both SLS " +
+                            "UNI Inclusions and SLS UNI Exclusions is not " +
+                            "permitted.";
+              list sls-uni-inclusion-set {
+                must "uni-id1 != uni-id2" {
+                  error-message "The two UNI IDs for a given " +
+                                    "inclusion cannot be the same.";
+                  description
+                                    "The two UNI IDs for a given inclusion " +
+                                    "cannot be the same.";
+                }
+                must "(../../evc-type != 'rooted-multipoint') or " +
+                                "((../../evc-type = 'rooted-multipoint') " +
+                                "and " +
+                                "not((../../unis/uni[uni-id = " +
+                                "current()/uni-id1]/role = 'leaf') and " +
+                                "(../../unis/uni[uni-id = current()/uni-id2]" +
+                                "/role = 'leaf')))" {
+                  error-message "If EVC Type is Rooted-Multipoint, " +
+                                    "sls-uni-inclusion UNI Pairs cannot both " +
+                                    "be role 'leaf'.";
+                  description
+                                    "If EVC Type is Rooted-Multipoint, " +
+                                    "sls-uni-inclusion UNI Pairs cannot " +
+                                    "both be role 'leaf'.";
+                }
+                key "pm-type pm-id uni-id1 uni-id2";
+                description
+                                "EVC: Defines the EVC Flow Points (UNI) Pairs that " +
+                                "must conform to the EVC's SLS Performance " +
+                                "Metrics. Use of this list indicates that a " +
+                                "complete set of UNI Pairs has been specified " +
+                                "for the Performance Metrics defined in the " +
+                                "selected SLS.";
+                leaf pm-type {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:slss/" +
+                                        "mef-global:sls" +
+                                        "[mef-global:sls-id = current()/../../../" +
+                                        "evc-performance-sls]" +
+                                        "/mef-global:perf-objs/mef-global:" +
+                                        "perf-obj/mef-global:pm-type";
+                  }
+                  description
+                                    "EVC: Performance Metric.";
+                  reference "[MEF10.3] Section 8.8.";
+                }
+                leaf pm-id {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:slss/" +
+                                        "mef-global:sls" +
+                                        "[mef-global:sls-id = current()/../../../" +
+                                        "evc-performance-sls]" +
+                                        "/mef-global:perf-objs/mef-global:perf-obj" +
+                                        "[mef-global:pm-type = current()/../" +
+                                        "pm-type]" +
+                                        "/mef-global:pm-id";
+                  }
+                  description
+                                    "EVC: This is a friendly name for specific " +
+                                    "performance profile.";
+                }
+                leaf uni-id1 {
+                  type leafref {
+                    path "../../../unis/uni/uni-id";
+                  }
+                  description
+                                    "EVC: The UNI ID paired with the EVC ID in the " +
+                                    "containing list.";
+                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf uni-id2 {
+                  type leafref {
+                    path "../../../unis/uni/uni-id";
+                  }
+                  description
+                                    "EVC: The UNI ID paired with the EVC ID in the " +
+                                    "containing list.";
+                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+              }
+            }
+            container sls-uni-exclusions {
+              presence "Not all EVC Flow Points (UNI) must conform " +
+                            "to the EVC SLS Performance Metrics.";
+              description
+                            "EVC: Not all EVC Flow Points (UNI) must conform to " +
+                            "the EVC SLS Performance Metrics. Use of this " +
+                            "list indicates that all UNI Pairs EXCEPT for " +
+                            "the ones indicated (per Performance Metric) must " +
+                            "conform to the SLS.";
+              list sls-uni-exclusion-set {
+                must "uni-id1 != uni-id2" {
+                  error-message "The two UNI IDs for a given " +
+                                    "exclusion cannot be the same.";
+                  description
+                                    "The two UNI IDs for a given exclusion cannot " +
+                                    "be the same as these pairs are invalid as " +
+                                    "defined in MEF 10.3.";
+                }
+                key "pm-type pm-id uni-id1 uni-id2";
+                description
+                                "SLS UNI Exclusions List. The following pairs " +
+                                "of UNI Interconnections are not required " +
+                                "meet the SLS Performance Objectives. " +
+                                "Configing both SLS UNI Inclusions and SLS " +
+                                "UNI Exclusions is not permitted.";
+                leaf pm-type {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:" +
+                                        "slss/mef-global:sls" +
+                                        "[mef-global:sls-id = current()/../../../" +
+                                        "evc-performance-sls]" +
+                                        "/mef-global:perf-objs/mef-global:" +
+                                        "perf-obj/mef-global:pm-type";
+                  }
+                  description
+                                    "EVC: Performance Metric.";
+                  reference "[MEF10.3] Section 8.8.";
+                }
+                leaf pm-id {
+                  type leafref {
+                    path "/mef-global:mef-global/mef-global:slss/" +
+                                        "mef-global:sls" +
+                                        "[mef-global:sls-id = current()/../../../" +
+                                        "evc-performance-sls]" +
+                                        "/mef-global:perf-objs/mef-global:perf-obj" +
+                                        "[mef-global:pm-type = current()/../" +
+                                        "pm-type]" +
+                                        "/mef-global:pm-id";
+                  }
+                  description
+                                    "EVC: This is a friendly name for specific " +
+                                    "performance profile.";
+                }
+                leaf uni-id1 {
+                  type leafref {
+                    path "../../../unis/uni/uni-id";
+                  }
+                  description
+                                    "EVC: The UNI ID paired with the EVC ID in the " +
+                                    "containing list.";
+                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+                leaf uni-id2 {
+                  type leafref {
+                    path "../../../unis/uni/uni-id";
+                  }
+                  description
+                                    "EVC: The UNI ID paired with the EVC ID in the " +
+                                    "containing list.";
+                  reference "[MEF10.3] Section 8.3, Section 10.1.  " +
+                                    "[MEF7.3] Section 12.1.2.";
+                }
+              }
+            }
+            leaf evc-id {
+              type mef-types:evc-id-type;
+              mandatory true;
+              description
+                            "The EVC ID must be unique across all EVCs in the CEN." +
+                            " The EVC ID must be non-NULL.";
+              reference "[MEF10.3] Section 8.2 [R7]. " +
+                            "[MEF7.3] Section 11.1.1, Section 12.2.2.";
+            }
+            leaf evc-status {
+              type mef-types:evc-status-type;
+              config false;
+              description
+                            "EVC Operational Status.";
+              reference "[MEF16] Section 5.3.";
+            }
+            leaf evc-type {
+              type mef-types:evc-type;
+              must "(. != 'point-to-point') or " +
+                            "((. = 'point-to-point') and " +
+                            "(count(../unis/uni[role = 'leaf']) = 0))" {
+                error-message "If EVC Type is Point-to-Point, all " +
+                                "UNI Roles must be root.";
+                description
+                                "If EVC Type is Point-to-Point, all UNI Roles must " +
+                                "be root.";
+              }
+              must "(. != 'multipoint-to-multipoint') or " +
+                            "((. = 'multipoint-to-multipoint') and " +
+                            "(count(../unis/uni[role = 'leaf']) = 0))" {
+                error-message "If EVC Type is " +
+                                "Multipoint-to-Multipoint, all UNI Roles " +
+                                "must be root.";
+                description
+                                "If EVC Type is Multipoint-to-Multipoint, all UNI " +
+                                "Roles must be root.";
+              }
+              must "(. != 'rooted-multipoint') or " +
+                            "((. = 'rooted-multipoint') and " +
+                            "(count(../unis/uni[role = 'root']) > 0) )" {
+                error-message "If EVC Type is Rooted-Multipoint, one " +
+                                "or more UNI Roles must be root.";
+                description
+                                "If EVC Type is Rooted-Multipoint, one or more " +
+                                "UNI Roles must be root.";
+              }
+              must "(. != 'point-to-point') or " +
+                            "((. = 'point-to-point') and " +
+                            "(count(../unis/uni) = 2))" {
+                error-message "If EVC Type is Point-to-Point, there " +
+                                "must be exactly 2 UNI configured for the EVC.";
+                description
+                                "If EVC Type is Point-to-Point, there must be " +
+                                "exactly 2 UNI configured for the EVC.";
+              }
+              must "(. != 'multipoint-to-multipoint') or " +
+                            "((. = 'multipoint-to-multipoint') and " +
+                            "(count(../unis/uni) > 1) and " +
+                            "(count(../unis/uni) <= ../max-uni-count))" {
+                error-message "If EVC Type is " +
+                                "Multipoint-to-Multipoint, " +
+                                "there must be 2 or more UNI configured " +
+                                "for the EVC.";
+                description
+                                "If EVC Type is Multipoint-to-Multipoint, " +
+                                "there must be 2 or more UNI configured for " +
+                                "the EVC.";
+              }
+              must "(. != 'rooted-multipoint') or " +
+                            "((. = 'rooted-multipoint') and " +
+                            "(count(../unis/uni) > 1) and " +
+                            "(count(../unis/uni) <= ../max-uni-count))" {
+                error-message "If EVC Type is Rooted-Multipoint, " +
+                                "there must be 2 or more UNI configured for the EVC.";
+                description
+                                "If EVC Type is Rooted-Multipoint, there must " +
+                                "be 2 or more UNI configured for the EVC.";
+              }
+              must "(. != 'point-to-point') or " +
+                            "((. = 'point-to-point') and " +
+                            "(../max-uni-count = 2))" {
+                error-message "If EVC Type is Point-to-Point, " +
+                                "the value of max-uni-count must be 2.";
+                description
+                                "If EVC Type is Point-to-Point, the value of " +
+                                "max-uni-count must be 2.";
+              }
+              must "(. != 'multipoint-to-multipoint') or " +
+                            "((. = 'multipoint-to-multipoint') and " +
+                            "(../max-uni-count > 2))" {
+                error-message "If EVC Type is " +
+                                "Multipoint-to-Multipoint, the value of " +
+                                "max-uni-count must be at least 3.";
+                description
+                                "If EVC Type is Multipoint-to-Multipoint, the " +
+                                "value of max-uni-count must be at least 3.";
+              }
+              must "(. != 'rooted-multipoint') or " +
+                            "((. = 'rooted-multipoint') and " +
+                            "(../max-uni-count > 2))" {
+                error-message "If EVC Type is Rooted-Multipoint, " +
+                                "the value of max-uni-count must be at " +
+                                "least 3.";
+                description
+                                "If EVC Type is Rooted-Multipoint, the value " +
+                                "of max-uni-count must be at least 3.";
+              }
+              // mandatory true;
+              description
+                            "This EVC attribute describes the EVC as either " +
+                            "Multipoint-To-Multipoint, Point-To-Point, or " +
+                            "Rooted-Multipoint.";
+              reference "[MEF10.3] Section 8.1, [R4], [R5], " +
+                            "[R10], [R11], [R12], [R13] and [R14]. " +
+                            "[MEF7.3] Section 12.2.2.";
+            }
+            leaf admin-state-enabled {
+              type boolean;
+              default "true";
+              description
+                            "EVC: Locked/Unlocked is inconsistent with " +
+                            "Oper Status and will be confusing.";
+              reference "[MEF15]. [MEF7.3] Section 11.1.1.";
+            }
+            leaf elastic-enabled {
+              type boolean;
+              default "true";
+              description
+                            "EVC: Elastic Enabled/Disabled.";
+              reference "[MEF7.3] Section 11.1.1.";
+            }
+            leaf elastic-service {
+              type mef-types:identifier45;
+              description
+                            "EVC: Related to CE4Cloud Information Model.";
+              reference "[MEF7.3] Section 11.1.1.";
+            }
+            leaf max-uni-count {
+              type uint32 {
+                range "2..max";
+              }
+              must "(. > 2) or ((. = 2) and " +
+                            "(../evc-type = 'point-to-point'))" {
+                error-message "If EVC Type is Point-to-Point, the " +
+                                "max-uni-count value must be 2.";
+                description
+                                "If EVC Type is Point-to-Point, the max-uni-count " +
+                                "value must be 2.";
+              }
+              must "(. = 2) or ((. > 2) and " +
+                            "((../evc-type = 'multipoint-to-multipoint') or " +
+                            "(../evc-type = 'rooted-multipoint')))" {
+                error-message "If EVC Type is " +
+                                "Multipoint-to-Multipoint or " +
+                                "Rooted-Multipoint, the max-uni-count value " +
+                                "must be at least 3.";
+                description
+                                "If EVC Type is Multipoint-to-Multipoint or " +
+                                "Rooted-Multipoint, the max-uni-count value " +
+                                "must be at least 3.";
+              }
+              default "2";
+              description
+                            "EVC:The Maximum Number of UNIs this EVC can be " +
+                            "configured for (Default 2).If EVC Type is " +
+                            "Multipoint-to-Multipoint or Rooted-Multipoint, " +
+                            "the max-uni-count value must be at least 3. " +
+                            "This value must be 2 for point-to-point mode.";
+              reference "[MEF10.3] [R14]. [MEF7.3] Section 12.2.2.";
+            }
+            leaf subnet {
+              type inet:ip-prefix;
+            }
+            leaf segmentation-id {
+              type uint32;
+            }
+            leaf preserved-vlan {
+              type uint32;
+            }
+            leaf preserve-ce-vlan-id {
+              type boolean;
+              default "false";
+              description
+                            "EVC:An EVC with more than one CE-VLAN ID mapping " +
+                            "to it must have the same list of CE-VLAN IDs " +
+                            "mapping to the EVC at each UNI in the EVC.";
+              reference "[MEF10.3] Section 8.6.1, [R24] [R25], " +
+                            "Section 9.10.2, Section 9.12, [R81], Figure 20. " +
+                            "[MEF7.3] Section 12.2.2.";
+            }
+            leaf cos-preserve-ce-vlan-id {
+              type boolean;
+              default "false";
+              description
+                            "EVC: Preserve CE-VLAN ID for CoS.";
+              reference "[MEF10.3] Section 8.6.2, [R26]. " +
+                            "[MEF7.3] Section 12.2.2.";
+            }
+            leaf evc-performance-sls {
+              type leafref {
+                path "/mef-global:mef-global/mef-global:slss/" +
+                                "mef-global:sls/mef-global:sls-id";
+              }
+              description
+                            "EVC: EVC-specific performance objectives and " +
+                            "parameters. Note that an SLS can also specify " +
+                            "performance objectives spanning more than one EVC. " +
+                            "By default, all the UNI associated with the EVC " +
+                            "have this SLS applied for them.";
+              reference "[MEF10.3] Section 8.8, Section 10. " +
+                            "[MEF7.3] Section 12.2.2.";
+            }
+            leaf unicast-svc-frm-delivery {
+              type mef-types:data-svc-frame-delivery-type;
+              default "unconditional";
+              description
+                            "EVC: Unicast Data Service Frame Delivery Mode " +
+                            "(unconditional[default], conditional, or discard).";
+              reference "[MEF10.3] Section 8.5.2,[R16], [R17], " +
+                            "Section 8.8, Section 11. [MEF7.3] Section 12.2.2.";
+            }
+            leaf multicast-svc-frm-delivery {
+              type mef-types:data-svc-frame-delivery-type;
+              default "unconditional";
+              description
+                            "EVC: Multicast Data Service Frame Delivery Mode " +
+                            "(unconditional[default], conditional, or discard).";
+              reference "[MEF10.3] Section 8.5.2, [R16], [R18], " +
+                            "Section 8.8, Section 11. [MEF7.3] Section 12.2.2.";
+            }
+            leaf broadcast-svc-frm-delivery {
+              type mef-types:data-svc-frame-delivery-type;
+              default "unconditional";
+              description
+                            "EVC: Broadcast Data Service Frame Delivery Mode " +
+                            "(unconditional[default], conditional, or discard).";
+              reference "[MEF10.3] Section 8.5.2, [R16], [R19], " +
+                            "Section 8.8, Section 11. [MEF7.3] Section 12.2.2.";
+            }
+            leaf evc-meg-id {
+              type mef-types:identifier45;
+              description
+                            "EVC: Identifies the Maintenance Entity Group (MEG) " +
+                            "for this EVC.";
+              reference "[MEF7.3] Section 12.2.2. MEF 35.1.";
+            }
+            leaf max-svc-frame-size {
+              type mef-types:max-svc-frame-size-type;
+              default "1600";
+              description
+                            "EVC: This attribute describes the maximum service " +
+                            "frame size for the EVC.";
+              reference "[MEF10.3] Section 8.9, Section 9.7, [R71], " +
+                            "[MEF6.2] Section 8.2.2 and MEF 22.1: [D2]. " +
+                            "[MEF7.3] Section 12.2.2.";
+            }
+            leaf mac-timeout {
+                type uint32;
+                description
+                            "EVC: Expiration time (in seconds) of a learned MAC address";
+            }
+          }
+        }
+      }
+      leaf svc-id {
+          type mef-types:retail-svc-id-type;
+          description
+                  "The MEF Service ID is a simple key used to " +
+                  "distinguish MEF Service Configuration Groups.";
+          reference "[MEF10.3] Section 7.";
+        }
+      leaf name {
+          type mef-types:identifier45;
+          description
+                  "The MEF Service name.";
+      }
+      leaf sp-id {
+        when "/mef-global:mef-global/mef-global:svc-providers" {
+          description
+                    "Only configure when the Global Service Providers " +
+                    "list has been populated.";
+        }
+        type leafref {
+          path "/mef-global:mef-global/mef-global:svc-providers/" +
+                    "mef-global:svc-provider/mef-global:sp-id";
+        }
+        description
+                "The MEF Service Provider ID must be globally unique " +
+                "as all CENs and Subscribers must be supported by a " +
+                "specific Service Provider(SP). A SP can support " +
+                "multiple CENs.";
+        reference "[MEF10.3] Section 7.";
+      }
+      leaf svc-type {
+        type mef-types:mef-service-type;
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "svc-mux-enabled = 'true']) = 0))" {
+          error-message "For EPL, Service Multiplexing must be " +
+                    "disabled for all UNIs in the EVC UNI List.";
+          description
+                    "For EPL, Service Multiplexing must be disabled for " +
+                    "all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "bundling-enabled = 'true']) = 0))" {
+          error-message "For EPL, Bundling must be disabled for " +
+                    "all UNIs in the EVC UNI List.";
+          description
+                    "For EPL, Bundling must be disabled for all UNIs in " +
+                    "the EVC UNI List.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/" +
+                "mef-services:uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "all-to-one-bundling-enabled = 'false']) = 0))" {
+          error-message "For EPL, All-to-One Bundling must be " +
+                    "enabled for all UNIs in the EVC UNI List.";
+          description
+                    "For EPL, All-to-One Bundling must be enabled for " +
+                    "all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "max-evc-count != 1]) = 0))" {
+          error-message "For EPL, Max EVC Count must be 1 for " +
+                    "all UNIs in the EVC UNI List.";
+          description
+                    "For EPL, Max EVC Count must be 1 for all UNIs " +
+                    "in the EVC UNI List.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(count(../evc/unis/uni/egress-bwp-flows-per-eec/" +
+                "bwp-flow-per-eec) = 0))" {
+          error-message "For EPL, Egress Bandwidth Profile per " +
+                    "Egress Equivalence Class cannot be set for " +
+                    "all UNIs in the EVC per UNI List.";
+          description
+                    "For EPL, Egress Bandwidth Profile per Egress " +
+                    "Equivalence Class cannot be set for all UNIs in the " +
+                    "EVC per UNI List.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(count(../evc/unis/uni" +
+                "[src-mac-addr-limit-enabled = 'true']) = 0) )" {
+          error-message "For EPL, Source MAC Address Limit must " +
+                    "be disabled.";
+          description
+                    "For EPL, Source MAC Address Limit must be disabled.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(../evc/evc-type = 'point-to-point'))" {
+          error-message "For EPL, EVC Type must be Point-to-Point.";
+          description
+                    "For EPL, EVC Type must be Point-to-Point.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(../evc/unicast-svc-frm-delivery = " +
+                "'unconditional'))" {
+          error-message "For EPL, unicast-svc-frm-delivery " +
+                    "must be unconditional.";
+          description
+                    "For EPL, unicast-svc-frm-delivery must be " +
+                    "unconditional.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(../evc/multicast-svc-frm-delivery = " +
+                "'unconditional'))" {
+          error-message "For EPL, multicast-svc-frm-delivery " +
+                    "must be unconditional.";
+          description
+                    "For EPL, multicast-svc-frm-delivery must be " +
+                    "unconditional.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(../evc/broadcast-svc-frm-delivery = " +
+                "'unconditional'))" {
+          error-message "For EPL, broadcast-svc-frm-delivery " +
+                    "must be unconditional.";
+          description
+                    "For EPL, broadcast-svc-frm-delivery must be " +
+                    "unconditional.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(../evc/preserve-ce-vlan-id = 'true'))" {
+          error-message "For EPL, CE-VLAN ID Preservation " +
+                    "must be enabled.";
+          description
+                    "For EPL, CE-VLAN ID Preservation must be enabled.";
+        }
+        must "(. != 'epl') or ((. = 'epl') and " +
+                "(../evc/cos-preserve-ce-vlan-id = 'true'))" {
+          error-message "For EPL, CE-VLAN ID CoS Preservation " +
+                    "must be enabled.";
+          description
+                    "For EPL, CE-VLAN ID CoS Preservation must be enabled.";
+        }
+        must "(. != 'evpl') or ((. = 'evpl') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "all-to-one-bundling-enabled = 'true']) = 0))" {
+          error-message "For EVPL, All-to-One Bundling must be " +
+                    "disabled for all UNIs in the EVC UNI List.";
+          description
+                    "For EVPL, All-to-One Bundling must be disabled for " +
+                    "all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'evpl') or ((. = 'evpl') and " +
+                "((../evc/unicast-svc-frm-delivery != " +
+                "'unconditional') or " +
+                "(../evc/multicast-svc-frm-delivery != " +
+                "'unconditional') or " +
+                "(../evc/broadcast-svc-frm-delivery != " +
+                "'unconditional') or " +
+                "count(../evc/unis/uni" +
+                "[src-mac-addr-limit-enabled = 'true']) = 0))" {
+          error-message "For EVPL, Source MAC Address Limit must " +
+                    "be disabled for all UNIs in the EVC per " +
+                    "UNI List if all 3 -svc-frm-delivery values " +
+                    "are unconditional.";
+          description
+                    "For EVPL, Source MAC Address Limit must be disabled " +
+                    "for all UNIs in the EVC per UNI List if all " +
+                    "3 -svc-frm-delivery values are unconditional.";
+        }
+        must "(. != 'evpl') or ((. = 'evpl') and " +
+                "(../evc/evc-type = 'point-to-point'))" {
+          error-message "For EVPL, EVC Type must be Point-to-Point.";
+          description
+                    "For EVPL, EVC Type must be Point-to-Point.";
+        }
+        must "(. != 'eplan') or ((. = 'eplan') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "svc-mux-enabled = 'true']) = 0))" {
+          error-message "For EP-LAN, Service Multiplexing must " +
+                    "be disabled for all UNIs in the EVC UNI List.";
+          description
+                    "For EP-LAN, Service Multiplexing must be disabled " +
+                    "for all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'eplan') or ((. = 'eplan') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "bundling-enabled = 'true']) = 0))" {
+          error-message "For EP-LAN, Bundling must be disabled " +
+                    "for all UNIs in the EVC UNI List.";
+          description
+                    "For EP-LAN, Bundling must be disabled for all UNIs " +
+                    "in the EVC UNI List.";
+        }
+        must "(. != 'eplan') or ((. = 'eplan') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/" +
+                "mef-services:uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "all-to-one-bundling-enabled = 'false']) = 0))" {
+          error-message "For EP-LAN, All-to-One Bundling " +
+                    "must be enabled for all UNIs in the " +
+                    "EVC UNI List.";
+          description
+                    "For EP-LAN, All-to-One Bundling must be enabled " +
+                    "for all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'eplan') or ((. = 'eplan') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/" +
+                "mef-services:uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "max-evc-count != 1]) = 0))" {
+          error-message "For EP-LAN, Max EVC Count must be 1 " +
+                    "for all UNIs in the EVC UNI List.";
+          description
+                    "For EP-LAN, Max EVC Count must be 1 for all UNIs in " +
+                    "the EVC UNI List.";
+        }
+        must "(. != 'eplan') or ((. = 'eplan') and " +
+                "(../evc/evc-type = 'multipoint-to-multipoint'))" {
+          error-message "For EP-LAN, EVC Type must be " +
+                    "Multipoint-to-Multipoint.";
+          description
+                    "For EP-LAN, EVC Type must be " +
+                    "Multipoint-to-Multipoint.";
+        }
+        must "(. != 'eplan') or ((. = 'eplan') and " +
+                "(../evc/preserve-ce-vlan-id = 'true'))" {
+          error-message "For EP-LAN, CE-VLAN ID Preservation " +
+                    "must be enabled.";
+          description
+                    "For EP-LAN, CE-VLAN ID Preservation must be enabled.";
+        }
+        must "(. != 'eplan') or ((. = 'eplan') and " +
+                "(../evc/cos-preserve-ce-vlan-id = 'true'))" {
+          error-message "For EP-LAN, CE-VLAN ID CoS Preservation " +
+                    "must be enabled.";
+          description
+                    "For EP-LAN, CE-VLAN ID CoS Preservation must be " +
+                    "enabled.";
+        }
+        must "(. != 'evplan') or ((. = 'evplan') and " +
+                "(../evc/evc-type = 'multipoint-to-multipoint'))" {
+          error-message "For EVP-LAN, EVC Type must be " +
+                    "Multipoint-to-Multipoint.";
+          description
+                    "For EVP-LAN, EVC Type must be " +
+                    "Multipoint-to-Multipoint.";
+        }
+        must "(. != 'evplan') or ((. = 'evplan') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "all-to-one-bundling-enabled = 'true']) = 0))" {
+          error-message "For EVP-LAN, All-to-One Bundling must " +
+                    "be disabled for all UNIs in the EVC UNI List.";
+          description
+                    "For EVP-LAN, All-to-One Bundling must be disabled " +
+                    "for all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'eptree') or ((. = 'eptree') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "svc-mux-enabled = 'true']) = 0))" {
+          error-message "For EP-TREE, Service Multiplexing " +
+                    "must be disabled for all UNIs in the " +
+                    "EVC UNI List.";
+          description
+                    "For EP-TREE, Service Multiplexing must be disabled " +
+                    "for all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'eptree') or ((. = 'eptree') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "bundling-enabled = 'true']) = 0))" {
+          error-message "For EP-TREE, Bundling must be disabled " +
+                    "for all UNIs in the EVC UNI List.";
+          description
+                    "For EP-TREE, Bundling must be disabled for all UNIs " +
+                    "in the EVC UNI List.";
+        }
+        must "(. != 'eptree') or ((. = 'eptree') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/" +
+                "mef-services:uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "all-to-one-bundling-enabled = 'false']) = 0))" {
+          error-message "For EP-TREE, All-to-One Bundling must " +
+                    "be enabled for all UNIs in the EVC UNI List.";
+          description
+                    "For EP-TREE, All-to-One Bundling must be enabled " +
+                    "for all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'eptree') or ((. = 'eptree') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/" +
+                "mef-services:uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "max-evc-count != 1]) = 0))" {
+          error-message "For EP-TREE, Max EVC Count must be 1 " +
+                    "for all UNIs in the EVC UNI List.";
+          description
+                    "For EP-TREE, Max EVC Count must be 1 for all UNIs " +
+                    "in the EVC UNI List.";
+        }
+        must "(. != 'eptree') or ((. = 'eptree') and " +
+                "(../evc/evc-type = 'rooted-multipoint'))" {
+          error-message "For EP-TREE, EVC Type must be " +
+                    "Rooted-Multipoint.";
+          description
+                    "For EP-TREE, EVC Type must be Rooted-Multipoint.";
+        }
+        must "(. != 'eptree') or ((. = 'eptree') and " +
+                "(../evc/preserve-ce-vlan-id = 'true'))" {
+          error-message "For EP-TREE, CE-VLAN ID Preservation " +
+                    "must be enabled.";
+          description
+                    "For EP-TREE, CE-VLAN ID Preservation must be enabled.";
+        }
+        must "(. != 'eptree') or ((. = 'eptree') and " +
+                "(../evc/cos-preserve-ce-vlan-id = 'true'))" {
+          error-message "For EP-TREE, CE-VLAN ID " +
+                    "CoS Preservation must be enabled.";
+          description
+                    "For EP-TREE, CE-VLAN ID CoS Preservation must be " +
+                    "enabled.";
+        }
+        must "(. != 'evptree') or ((. = 'evptree') and " +
+                "(count(/mef-interfaces:mef-interfaces/" +
+                "mef-interfaces:unis/mef-interfaces:uni" +
+                "[mef-interfaces:uni-id = current()/../" +
+                "mef-services:evc/mef-services:unis/mef-services:" +
+                "uni/mef-services:uni-id]" +
+                "[mef-interfaces:uni-id/../mef-interfaces:" +
+                "all-to-one-bundling-enabled = 'true']) = 0))" {
+          error-message "For EVP-TREE, All-to-One Bundling " +
+                    "must be disabled for all UNIs in the EVC UNI List.";
+          description
+                    "For EVP-TREE, All-to-One Bundling must be disabled " +
+                    "for all UNIs in the EVC UNI List.";
+        }
+        must "(. != 'evptree') or ((. = 'evptree') and " +
+                "(../evc/evc-type = 'rooted-multipoint'))" {
+          error-message "For EVP-TREE, EVC Type must be " +
+                    "Rooted-Multipoint.";
+          description
+                    "For EVP-TREE, EVC Type must be Rooted-Multipoint.";
+        }
+        description
+                "The MEF Service Type.";
+      }
+      leaf user-label {
+        type mef-types:identifier45;
+        description
+                "This MEF user label is set by the user to a value " +
+                "that is easier to identify than the Service ID.";
+      }
+      leaf svc-entity {
+        type mef-types:service-entity-type;
+        default "evc";
+        description
+                "MEF Service Entity.";
+        reference "[MEF12.2] Table 3.";
+      }
+      leaf tenant-id {
+        type leafref {
+          path "/mef-global:mef-global/mef-global:tenants-instances/mef-global:tenant-list/mef-global:name";
+        }
+      }
+    }
+  }
+
+  augment "/mef-services:mef-services/mef-services:mef-service/mef-services:mef-service-choice/mef-services:evc-choice/mef-services:evc" {
+    ext:augment-identifier "evc-elan";
+    leaf elan-id {type string;}
+    list elan-ports {
+      key "port-id";
+      leaf port-id {type string;}
+    }
+  }
+
+  augment "/mef-services:mef-services/mef-services:mef-service/mef-services:mef-service-choice/mef-services:ipvc-choice/mef-services:ipvc" {
+    ext:augment-identifier "ipvc-vpn";
+    leaf vpn-id {type string;}
+    leaf vrf-id {type string;}
+    list vpn-elans {
+      key "uni-id ip-uni-id";
+      leaf uni-id {type  mef-types:identifier45;}
+      leaf ip-uni-id {type  mef-types:identifier45;}
+      leaf elan-id {type string;}
+      leaf elan-port {type string;}
+      list subnets {
+        key "subnet";
+        leaf subnet {type string;}
+      }
+    }
+  }
+}