Added the yang model of L2 VPN from the MEF site.
[unimgr.git] / api / src / main / yang / mef-services.yang
diff --git a/api/src/main/yang/mef-services.yang b/api/src/main/yang/mef-services.yang
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+module mef-services {\r
+  namespace "http://metroethernetforum.org/ns/yang/mef-services";\r
+  prefix mef-services;\r
+  import ietf-yang-types {\r
+    prefix yang;\r
+  }\r
+  import mef-types {\r
+    prefix mef-types;\r
+  }\r
+  import mef-global {\r
+    prefix mef-global;\r
+  }\r
+  import mef-interfaces {\r
+    prefix mef-interfaces;\r
+  }\r
+  organization "Metro Ethernet Forum";\r
+  contact\r
+    "Web URL: http://metroethernetforum.org/\r
+     E-mail:  mibs@metroethernetforum.org\r
+     Postal:  Metro Ethernet Forum\r
+              6033 W. Century Boulevard, Suite 1107\r
+              Los Angeles, CA 90045\r
+              U.S.A.\r
+     Phone:   +1 310-642-2800\r
+     Fax:     +1 310-642-2808";\r
+  description\r
+    "This module implements the Carrier Ethernet Services as\r
+     defined in MEF 10.3, MEF 6.2, and MEF 7.2.\r
+      \r
+     Reference Overview:\r
+      A number of base documents have been used to create the\r
+      MEF Services YANG Module. The\r
+      following are the abbreviations for the baseline documents:\r
+      [RFC 6991] refers to IETF RFC 6991 'Common YANG Data Types',\r
+      2013-07-15 \r
+      [RFC 6643] refers to IETF RFC 6643 'Translation of Structure\r
+      of Management Information\r
+      Version 2 (SMIv2) MIB Modules to YANG Modules', 2011-11-25 \r
+      [802.1AB] refers to 'Station and Media Access Control\r
+      Connectivity Discovery', IEEE 802.1AB-2009, September 2009\r
+      [802.1q] refers to IEEE 802.1Q-2011 'IEEE Standard for Local\r
+      and metropolitan area networks --Media Access Control (MAC)\r
+      Bridges and Virtual Bridged Local Area Networks, August 2011\r
+      [802-2001] refers to 'IEEE Standard for Local and Metropolitan\r
+      Area Networks: Overview and Architecture', IEEE 802-2001,\r
+      February 2002\r
+      [MEF10.3] refers to MEF 10.3\r
+      'Ethernet Services Attributes Phase 3', October 2013\r
+      [MEF6.2] refers to MEF 6.2\r
+      'EVC Ethernet Services Defintions Phase 3', August 2014\r
+      [MEF40] refers to MEF 40\r
+      'UNI and EVC Definition of Managed Objects', April 2013\r
+      [MEF45] refers to MEF 45 'Multi-CEN L2CP', August 2014\r
+      [MEF7.2] refers to MEF 7.2\r
+      'Carrier Ethernet Management Information Model', April 2013\r
+      [MEF7.3] refers to MEF 7.3\r
+      'Carrier Ethernet Management Information Model',\r
+      Working Draft #1 2015\r
+      [RFC 2737] refers to IETF RFC 2737 'Entity MIB (Version 2)',\r
+      December 1999\r
+      [RFC 2863] refers to IETF RFC 2863 'The Interfaces Group MIB',\r
+      June 2000\r
+      [RFC 3419] refers to IETF RFC 3419\r
+      'Textual Conventions for Transport Addresses', December 2002\r
+      [Y.1731] refers to ITU-T Y.1731\r
+      'OAM functions and mechanisms for Ethernet based networks',\r
+      July 2011\r
+      [Q.840.1] refers to ITU-T Q.840.1\r
+      'Requirements and analysis for NMS-EMS management interface\r
+      of Ethernet over Transport and Metro Ethernet\r
+      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
+  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
+      description\r
+        "Metro Ethernet Forum's Ethernet Services.";\r
+      container evc {\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
+          default "inactive";\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 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
+      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
+    }\r
+  }\r
+}
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