module ietf-interfaces {
namespace "urn:ietf:params:xml:ns:yang:ietf-interfaces";
prefix if;
import ietf-yang-types {
prefix yang;
}
import iana-if-type {
prefix ianaift;
}
organization
"IETF NETMOD (NETCONF Data Modeling Language) Working Group";
contact
"WG Web:
WG List:
WG Chair: David Kessens
WG Chair: Juergen Schoenwaelder
Editor: Martin Bjorklund
";
description
"This module contains a collection of YANG definitions for
managing network interfaces.
Copyright (c) 2012 IETF Trust and the persons identified as
authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with or
without modification, is permitted pursuant to, and subject
to the license terms contained in, the Simplified BSD License
set forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents
(http://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC XXXX; see
the RFC itself for full legal notices.";
// RFC Ed.: replace XXXX with actual RFC number and remove this
// note.
// RFC Ed.: update the date below with the date of RFC publication
// and remove this note.
revision 2012-11-15 {
description
"Initial revision.";
reference
"RFC XXXX: A YANG Data Model for Interface Management";
}
/* Typedefs */
typedef interface-ref {
type leafref {
path "/if:interfaces/if:interface/if:name";
}
description
"This type is used by data models that need to reference
interfaces.";
}
/* Features */
feature arbitrary-names {
description
"This feature indicates that the server allows interfaces to
be named arbitrarily.";
}
feature if-mib {
description
"This feature indicates that the server implements IF-MIB.";
reference
"RFC 2863: The Interfaces Group MIB";
}
/* Data nodes */
container interfaces {
description
"Interface parameters.";
list interface {
key "name";
unique "type location";
description
"The list of interfaces on the device.";
leaf name {
type string;
description
"The name of the interface.
A device MAY restrict the allowed values for this leaf,
possibly depending on the type and location.
If the device allows arbitrarily named interfaces, the
feature 'arbitrary-names' is advertised.
This leaf MAY be mapped to ifName by an implementation.
Such an implementation MAY restrict the allowed values for
this leaf so that it matches the restrictions of ifName.
If a NETCONF server that implements this restriction is
sent a value that doesn't match the restriction, it MUST
reply with an rpc-error with the error-tag
'invalid-value'.";
reference
"RFC 2863: The Interfaces Group MIB - ifName";
}
leaf description {
type string;
description
"A textual description of the interface.
This leaf MAY be mapped to ifAlias by an implementation.
Such an implementation MAY restrict the allowed values for
this leaf so that it matches the restrictions of ifAlias.
If a NETCONF server that implements this restriction is
sent a value that doesn't match the restriction, it MUST
reply with an rpc-error with the error-tag
'invalid-value'.";
reference
"RFC 2863: The Interfaces Group MIB - ifAlias";
}
leaf type {
type ianaift:iana-if-type;
mandatory true;
description
"The type of the interface.
When an interface entry is created, a server MAY
initialize the type leaf with a valid value, e.g., if it
is possible to derive the type from the name of the
interface.";
reference
"RFC 2863: The Interfaces Group MIB - ifType";
}
leaf location {
type string;
description
"The device-specific location of the interface of a
particular type. The format of the location string
depends on the interface type and the device.
If the interface's type represents a physical interface,
this leaf MUST be set.
When an interface entry is created, a server MAY
initialize the location leaf with a valid value, e.g., if
it is possible to derive the location from the name of
the interface.";
}
leaf enabled {
type boolean;
default "true";
description
"The desired state of the interface.
This leaf contains the configured, desired state of the
interface. Systems that implement the IF-MIB use the
value of this leaf to set IF-MIB.ifAdminStatus to 'up' or
'down' after an ifEntry has been initialized, as described
in RFC 2863.";
reference
"RFC 2863: The Interfaces Group MIB - ifAdminStatus";
}
leaf oper-status {
type enumeration {
enum up {
value 1;
description
"Ready to pass packets.";
}
enum down {
value 2;
description
"The interface does not pass any packets.";
}
enum testing {
value 3;
description
"In some test mode. No operational packets can
be passed.";
}
enum unknown {
value 4;
description
"Status cannot be determined for some reason.";
}
enum dormant {
value 5;
description
"Waiting for some external event.";
}
enum not-present {
value 6;
description
"Some component is missing.";
}
enum lower-layer-down {
value 7;
description
"Down due to state of lower-layer interface(s).";
}
}
config false;
description
"The current operational state of the interface.
If 'enabled' is 'false' then 'oper-status'
should be 'down'. If 'enabled' is changed to 'true'
then 'oper-status' should change to 'up' if the interface
is ready to transmit and receive network traffic; it
should change to 'dormant' if the interface is waiting for
external actions (such as a serial line waiting for an
incoming connection); it should remain in the 'down' state
if and only if there is a fault that prevents it from
going to the 'up' state; it should remain in the
'not-present' state if the interface has missing
(typically, hardware) components.";
reference
"RFC 2863: The Interfaces Group MIB - ifOperStatus";
}
leaf last-change {
type yang:date-and-time;
config false;
description
"The time the interface entered its current operational
state. If the current state was entered prior to the
last re-initialization of the local network management
subsystem, then this node is not present.";
reference
"RFC 2863: The Interfaces Group MIB - ifLastChange";
}
leaf if-index {
if-feature if-mib;
type int32 {
range "1..2147483647";
}
config false;
description
"The ifIndex value for the ifEntry represented by this
interface.
Media-specific modules must specify how the type is
mapped to entries in the ifTable.";
reference
"RFC 2863: The Interfaces Group MIB - ifIndex";
}
leaf link-up-down-trap-enable {
if-feature if-mib;
type enumeration {
enum enabled {
value 1;
}
enum disabled {
value 2;
}
}
description
"Indicates whether linkUp/linkDown SNMP notifications
should be generated for this interface.
If this node is not configured, the value 'enabled' is
operationally used by the server for interfaces which do
not operate on top of any other interface (i.e., there are
no 'lower-layer-if' entries), and 'disabled' otherwise.";
reference
"RFC 2863: The Interfaces Group MIB -
ifLinkUpDownTrapEnable";
}
leaf phys-address {
type yang:phys-address;
config false;
description
"The interface's address at its protocol sub-layer. For
example, for an 802.x interface, this object normally
contains a MAC address. The interface's media-specific
modules must define the bit and byte ordering and the
format of the value of this object. For interfaces that do
not have such an address (e.g., a serial line), this node
is not present.";
reference
"RFC 2863: The Interfaces Group MIB - ifPhysAddress";
}
leaf-list higher-layer-if {
type interface-ref;
config false;
description
"A list of references to interfaces layered on top of this
interface.";
reference
"RFC 2863: The Interfaces Group MIB - ifStackTable";
}
leaf-list lower-layer-if {
type interface-ref;
config false;
description
"A list of references to interfaces layered underneath this
interface.";
reference
"RFC 2863: The Interfaces Group MIB - ifStackTable";
}
leaf speed {
type yang:gauge64;
units "bits / second";
config false;
description
"An estimate of the interface's current bandwidth in bits
per second. For interfaces which do not vary in
bandwidth or for those where no accurate estimation can
be made, this node should contain the nominal bandwidth.
For interfaces that has no concept of bandwidth, this
node is not present.";
reference
"RFC 2863: The Interfaces Group MIB -
ifSpeed, ifHighSpeed";
}
container statistics {
config false;
description
"A collection of interface-related statistics objects.";
leaf discontinuity-time {
type yang:date-and-time;
description
"The time on the most recent occasion at which any one or
more of this interface's counters suffered a
discontinuity. If no such discontinuities have occurred
since the last re-initialization of the local management
subsystem, then this node contains the time the local
management subsystem re-initialized itself.";
}
leaf in-octets {
type yang:counter64;
description
"The total number of octets received on the interface,
including framing characters.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifHCInOctets";
}
leaf in-unicast-pkts {
type yang:counter64;
description
"The number of packets, delivered by this sub-layer to a
higher (sub-)layer, which were not addressed to a
multicast or broadcast address at this sub-layer.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifHCInUcastPkts";
}
leaf in-broadcast-pkts {
type yang:counter64;
description
"The number of packets, delivered by this sub-layer to a
higher (sub-)layer, which were addressed to a broadcast
address at this sub-layer.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB -
ifHCInBroadcastPkts";
}
leaf in-multicast-pkts {
type yang:counter64;
description
"The number of packets, delivered by this sub-layer to a
higher (sub-)layer, which were addressed to a multicast
address at this sub-layer. For a MAC layer protocol,
this includes both Group and Functional addresses.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB -
ifHCInMulticastPkts";
}
leaf in-discards {
type yang:counter32;
description
"The number of inbound packets which were chosen to be
discarded even though no errors had been detected to
prevent their being deliverable to a higher-layer
protocol. One possible reason for discarding such a
packet could be to free up buffer space.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifInDiscards";
}
leaf in-errors {
type yang:counter32;
description
"For packet-oriented interfaces, the number of inbound
packets that contained errors preventing them from being
deliverable to a higher-layer protocol. For character-
oriented or fixed-length interfaces, the number of
inbound transmission units that contained errors
preventing them from being deliverable to a higher-layer
protocol.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifInErrors";
}
leaf in-unknown-protos {
type yang:counter32;
description
"For packet-oriented interfaces, the number of packets
received via the interface which were discarded because
of an unknown or unsupported protocol. For
character-oriented or fixed-length interfaces that
support protocol multiplexing the number of transmission
units received via the interface which were discarded
because of an unknown or unsupported protocol. For any
interface that does not support protocol multiplexing,
this counter is not present.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifInUnknownProtos";
}
leaf out-octets {
type yang:counter64;
description
"The total number of octets transmitted out of the
interface, including framing characters.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifHCOutOctets";
}
leaf out-unicast-pkts {
type yang:counter64;
description
"The total number of packets that higher-level protocols
requested be transmitted, and which were not addressed
to a multicast or broadcast address at this sub-layer,
including those that were discarded or not sent.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifHCOutUcastPkts";
}
leaf out-broadcast-pkts {
type yang:counter64;
description
"The total number of packets that higher-level protocols
requested be transmitted, and which were addressed to a
broadcast address at this sub-layer, including those
that were discarded or not sent.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB -
ifHCOutBroadcastPkts";
}
leaf out-multicast-pkts {
type yang:counter64;
description
"The total number of packets that higher-level protocols
requested be transmitted, and which were addressed to a
multicast address at this sub-layer, including those
that were discarded or not sent. For a MAC layer
protocol, this includes both Group and Functional
addresses.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB -
ifHCOutMulticastPkts";
}
leaf out-discards {
type yang:counter32;
description
"The number of outbound packets which were chosen to be
discarded even though no errors had been detected to
prevent their being transmitted. One possible reason
for discarding such a packet could be to free up buffer
space.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifOutDiscards";
}
leaf out-errors {
type yang:counter32;
description
"For packet-oriented interfaces, the number of outbound
packets that could not be transmitted because of errors.
For character-oriented or fixed-length interfaces, the
number of outbound transmission units that could not be
transmitted because of errors.
Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of
'discontinuity-time'.";
reference
"RFC 2863: The Interfaces Group MIB - ifOutErrors";
}
}
}
}
}