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+module ietf-routing-types {
+ namespace "urn:ietf:params:xml:ns:yang:ietf-routing-types";
+ prefix rt-types;
+
+ import ietf-yang-types {
+ prefix yang;
+ }
+ import ietf-inet-types {
+ prefix inet;
+ }
+
+ organization
+ "IETF RTGWG - Routing Area Working Group";
+ contact
+ "WG Web: <http://tools.ietf.org/wg/rtgwg/>
+ WG List: <mailto:rtgwg@ietf.org>
+ Editor: Xufeng Liu
+ <mailto:Xufeng_Liu@jabail.com>
+ Yingzhen Qu
+ <mailto:yingzhen.qu@huawei.com>
+ Acee Lindem
+ <mailto:acee@cisco.com>
+ Christian Hopps
+ <mailto:chopps@chopps.org>
+ Lou Berger
+ <mailto:lberger@labn.com>";
+ description
+ "This module contains a collection of YANG data types
+ considered generally useful for routing protocols.
+ Copyright (c) 2017 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.";
+ reference "RFC XXXX";
+
+ revision 2017-10-13 {
+ description "Initial revision.";
+ reference "RFC TBD: Routing YANG Data Types";
+ }
+
+ /*** Identities related to MPLS/GMPLS ***/
+
+ identity mpls-label-special-purpose-value {
+ description
+ "Base identity for deriving identities describing
+ special-purpose Multiprotocol Label Switching (MPLS) label
+ values.";
+ reference
+ "RFC7274: Allocating and Retiring Special-Purpose MPLS
+ Labels.";
+ }
+
+ identity ipv4-explicit-null-label {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the IPv4 Explicit NULL Label.";
+ reference "RFC3032: MPLS Label Stack Encoding. Section 2.1.";
+ }
+
+ identity router-alert-label {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the Router Alert Label.";
+ reference "RFC3032: MPLS Label Stack Encoding. Section 2.1.";
+ }
+
+ identity ipv6-explicit-null-label {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the IPv6 Explicit NULL Label.";
+ reference "RFC3032: MPLS Label Stack Encoding. Section 2.1.";
+ }
+
+ identity implicit-null-label {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the Implicit NULL Label.";
+ reference "RFC3032: MPLS Label Stack Encoding. Section 2.1.";
+ }
+
+ identity entropy-label-indicator {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the Entropy Label Indicator.";
+ reference
+ "RFC6790: The Use of Entropy Labels in MPLS Forwarding.
+ Sections 3 and 10.1.";
+ }
+
+ identity gal-label {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the Generic Associated Channel
+ Label (GAL).";
+ reference
+ "RFC5586: MPLS Generic Associated Channel.
+ Sections 4 and 10.";
+ }
+
+ identity oam-alert-label {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the OAM Alert Label.";
+ reference
+ "RFC3429: Assignment of the 'OAM Alert Label' for
+ Multiprotocol Label Switching Architecture (MPLS)
+ Operation and Maintenance (OAM) Functions.
+ Sections 3 and 6.";
+ }
+
+ identity extension-label {
+ base mpls-label-special-purpose-value;
+ description
+ "This identity represents the Extension Label.";
+ reference
+ "RFC7274: Allocating and Retiring Special-Purpose MPLS
+ Labels. Sections 3.1 and 5.";
+ }
+
+ /*** Collection of types related to routing ***/
+
+ typedef router-id {
+ type yang:dotted-quad;
+ description
+ "A 32-bit number in the dotted quad format assigned to each
+ router. This number uniquely identifies the router within
+ an Autonomous System.";
+ }
+
+ /*** Collection of types related to VPN ***/
+
+ typedef route-target {
+ type string {
+ pattern
+ '(0:(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0):(429496729[0-5]|'
+ + '42949672[0-8][0-9]|'
+ + '4294967[01][0-9]{2}|429496[0-6][0-9]{3}|'
+ + '42949[0-5][0-9]{4}|'
+ + '4294[0-8][0-9]{5}|429[0-3][0-9]{6}|'
+ + '42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ + '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0))|'
+ + '(1:((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|'
+ + '25[0-5])\.){3}([0-9]|[1-9][0-9]|'
+ + '1[0-9]{2}|2[0-4][0-9]|25[0-5])):(6553[0-5]|'
+ + '655[0-2][0-9]|'
+ + '65[0-4][0-9]{2}|6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ + '(2:(429496729[0-5]|42949672[0-8][0-9]|'
+ + '4294967[01][0-9]{2}|'
+ + '429496[0-6][0-9]{3}|42949[0-5][0-9]{4}|'
+ + '4294[0-8][0-9]{5}|'
+ + '429[0-3][0-9]{6}|42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ + '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0):'
+ + '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ + '(6(:[a-fA-F0-9]{2}){6})|'
+ + '(([3-57-9a-fA-F]|[1-9a-fA-F][0-9a-fA-F]{1,3}):'
+ + '[0-9a-fA-F]{1,12})';
+ }
+ description
+ "A route target is an 8-octet BGP extended community
+ initially identifying a set of sites in a BGP
+ VPN (RFC 4364). However, it has since taken on a more
+ general role in BGP route filtering.
+ A route target consists of two or three fields:
+ a 2-octet type field, an administrator field,
+ and, optionally, an assigned number field.
+ According to the data formats for type 0, 1, 2, and 6
+ defined in RFC4360, RFC5668, and RFC7432, the encoding
+ pattern is defined as:
+ 0:2-octet-asn:4-octet-number
+ 1:4-octet-ipv4addr:2-octet-number
+ 2:4-octet-asn:2-octet-number.
+ 6:6-octet-mac-address.
+ Additionally, a generic pattern is defined for future
+ route target types:
+ 2-octet-other-hex-number:6-octet-hex-number
+ Some valid examples are: 0:100:100, 1:1.1.1.1:100,
+ 2:1234567890:203 and 6:26:00:08:92:78:00";
+ reference
+ "RFC4360: BGP Extended Communities Attribute.
+ RFC4364: BGP/MPLS IP Virtual Private Networks (VPNs)
+ RFC5668: 4-Octet AS Specific BGP Extended Community.
+ RFC7432: BGP MPLS-Based Ethernet VPN";
+ }
+
+ typedef ipv6-route-target {
+ type string {
+ pattern
+ '((:|[0-9a-fA-F]{0,4}):)([0-9a-fA-F]{0,4}:){0,5}'
+ + '((([0-9a-fA-F]{0,4}:)?(:|[0-9a-fA-F]{0,4}))|'
+ + '(((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}'
+ + '(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])))'
+ + ':'
+ + '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0)';
+ pattern '((([^:]+:){6}(([^:]+:[^:]+)|(.*\..*)))|'
+ + '((([^:]+:)*[^:]+)?::(([^:]+:)*[^:]+)?))'
+ + ':'
+ + '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0)';
+ }
+ description
+ "An IPv6 route target is a 20-octet BGP IPv6 address
+ specific extended community serving the same function
+ as a standard 8-octet route target only allowing for
+ an IPv6 address as the global administrator. The format
+ is <ipv6-address:2-octet-number>.
+ Some valid examples are: 2001:DB8::1:6544 and
+ 2001:DB8::5eb1:791:6b37:17958";
+ reference
+ "RFC5701: IPv6 Address Specific BGP Extended Community
+ Attribute";
+ }
+
+ typedef route-target-type {
+ type enumeration {
+ enum "import" {
+ value 0;
+ description
+ "The route target applies to route import.";
+ }
+ enum "export" {
+ value 1;
+ description
+ "The route target applies to route export.";
+ }
+ enum "both" {
+ value 2;
+ description
+ "The route target applies to both route import and
+ route export.";
+ }
+ }
+ description
+ "Indicates the role a route target takes
+ in route filtering.";
+ reference "RFC4364: BGP/MPLS IP Virtual Private Networks
+ (VPNs).";
+ }
+
+ typedef route-distinguisher {
+ type string {
+ pattern
+ '(0:(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0):(429496729[0-5]|'
+ + '42949672[0-8][0-9]|'
+ + '4294967[01][0-9]{2}|429496[0-6][0-9]{3}|'
+ + '42949[0-5][0-9]{4}|'
+ + '4294[0-8][0-9]{5}|429[0-3][0-9]{6}|'
+ + '42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ + '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0))|'
+ + '(1:((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|'
+ + '25[0-5])\.){3}([0-9]|[1-9][0-9]|'
+ + '1[0-9]{2}|2[0-4][0-9]|25[0-5])):(6553[0-5]|'
+ + '655[0-2][0-9]|'
+ + '65[0-4][0-9]{2}|6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ + '(2:(429496729[0-5]|42949672[0-8][0-9]|'
+ + '4294967[01][0-9]{2}|'
+ + '429496[0-6][0-9]{3}|42949[0-5][0-9]{4}|'
+ + '4294[0-8][0-9]{5}|'
+ + '429[0-3][0-9]{6}|42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ + '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0):'
+ + '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ + '(6(:[a-fA-F0-9]{2}){6})|'
+ + '(([3-57-9a-fA-F]|[1-9a-fA-F][0-9a-fA-F]{1,3}):'
+ + '[0-9a-fA-F]{1,12})';
+ }
+ description
+ "A route distinguisher is an 8-octet value used to
+ distinguish routes from different BGP VPNs (RFC 4364).
+ As per RFC 4360, a route distinguisher will have the same
+ format as a route target and will consist of two or three
+ fields including a 2-octet type field, an administrator
+ field, and, optionally, an assigned number field.
+ According to the data formats for type 0, 1, 2, and 6
+ defined in RFC4360, RFC5668, and RFC7432, the encoding
+ pattern is defined as:
+ 0:2-octet-asn:4-octet-number
+ 1:4-octet-ipv4addr:2-octet-number
+ 2:4-octet-asn:2-octet-number.
+ 6:6-octet-mac-address.
+ Additionally, a generic pattern is defined for future
+ route discriminator types:
+ 2-octet-other-hex-number:6-octet-hex-number
+ Some valid examples are: 0:100:100, 1:1.1.1.1:100,
+ 2:1234567890:203 and 6:26:00:08:92:78:00";
+ reference
+ "RFC4360: BGP Extended Communities Attribute.
+ RFC4364: BGP/MPLS IP Virtual Private Networks (VPNs)
+ RFC5668: 4-Octet AS Specific BGP Extended Community.
+ RFC7432: BGP MPLS-Based Ethernet VPN";
+ }
+
+ typedef route-origin {
+ type string {
+ pattern
+ '(0:(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0):(429496729[0-5]|'
+ + '42949672[0-8][0-9]|'
+ + '4294967[01][0-9]{2}|429496[0-6][0-9]{3}|'
+ + '42949[0-5][0-9]{4}|'
+ + '4294[0-8][0-9]{5}|429[0-3][0-9]{6}|'
+ + '42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ + '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0))|'
+ + '(1:((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|'
+ + '25[0-5])\.){3}([0-9]|[1-9][0-9]|'
+ + '1[0-9]{2}|2[0-4][0-9]|25[0-5])):(6553[0-5]|'
+ + '655[0-2][0-9]|'
+ + '65[0-4][0-9]{2}|6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ + '(2:(429496729[0-5]|42949672[0-8][0-9]|'
+ + '4294967[01][0-9]{2}|'
+ + '429496[0-6][0-9]{3}|42949[0-5][0-9]{4}|'
+ + '4294[0-8][0-9]{5}|'
+ + '429[0-3][0-9]{6}|42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ + '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0):'
+ + '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ + '(6(:[a-fA-F0-9]{2}){6})|'
+ + '(([3-57-9a-fA-F]|[1-9a-fA-F][0-9a-fA-F]{1,3}):'
+ + '[0-9a-fA-F]{1,12})';
+ }
+ description
+ "A route origin is an 8-octet BGP extended community
+ identifying the set of sites where the BGP route
+ originated (RFC 4364). A route target consists of two
+ or three fields: a 2-octet type field, an administrator
+ field, and, optionally, an assigned number field.
+ According to the data formats for type 0, 1, 2, and 6
+ defined in RFC4360, RFC5668, and RFC7432, the encoding
+ pattern is defined as:
+ 0:2-octet-asn:4-octet-number
+ 1:4-octet-ipv4addr:2-octet-number
+ 2:4-octet-asn:2-octet-number.
+ 6:6-octet-mac-address.
+ Additionally, a generic pattern is defined for future
+ route origin types:
+ 2-octet-other-hex-number:6-octet-hex-number
+ Some valid examples are: 0:100:100, 1:1.1.1.1:100,
+ 2:1234567890:203 and 6:26:00:08:92:78:00";
+ reference
+ "RFC4360: BGP Extended Communities Attribute.
+ RFC4364: BGP/MPLS IP Virtual Private Networks (VPNs)
+ RFC5668: 4-Octet AS Specific BGP Extended Community.
+ RFC7432: BGP MPLS-Based Ethernet VPN";
+ }
+
+ typedef ipv6-route-origin {
+ type string {
+ pattern
+ '((:|[0-9a-fA-F]{0,4}):)([0-9a-fA-F]{0,4}:){0,5}'
+ + '((([0-9a-fA-F]{0,4}:)?(:|[0-9a-fA-F]{0,4}))|'
+ + '(((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}'
+ + '(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])))'
+ + ':'
+ + '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0)';
+ pattern '((([^:]+:){6}(([^:]+:[^:]+)|(.*\..*)))|'
+ + '((([^:]+:)*[^:]+)?::(([^:]+:)*[^:]+)?))'
+ + ':'
+ + '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ + '6[0-4][0-9]{3}|'
+ + '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0)';
+ }
+ description
+ "An IPv6 route origin is a 20-octet BGP IPv6 address
+ specific extended community serving the same function
+ as a standard 8-octet route only allowing for
+ an IPv6 address as the global administrator. The format
+ is <ipv6-address:2-octet-number>.
+ Some valid examples are: 2001:DB8::1:6544 and
+ 2001:DB8::5eb1:791:6b37:17958";
+ reference
+ "RFC5701: IPv6 Address Specific BGP Extended Community
+ Attribute";
+ }
+
+ /*** Collection of types common to multicast ***/
+
+ typedef ipv4-multicast-group-address {
+ type inet:ipv4-address {
+ pattern '(2((2[4-9])|(3[0-9]))\.).*';
+ }
+ description
+ "This type represents an IPv4 multicast group address,
+ which is in the range from 224.0.0.0 to 239.255.255.255.";
+ reference "RFC1112: Host Extensions for IP Multicasting.";
+ }
+
+ typedef ipv6-multicast-group-address {
+ type inet:ipv6-address {
+ pattern
+ '(([fF]{2}[0-9a-fA-F]{2}):).*';
+ }
+ description
+ "This type represents an IPv6 multicast group address,
+ which is in the range of FF00::/8.";
+ reference
+ "RFC4291: IP Version 6 Addressing Architecture. Sec 2.7.
+ RFC7346: IPv6 Multicast Address Scopes.";
+ }
+
+ typedef ip-multicast-group-address {
+ type union {
+ type ipv4-multicast-group-address;
+ type ipv6-multicast-group-address;
+ }
+ description
+ "This type represents a version-neutral IP multicast group
+ address. The format of the textual representation implies
+ the IP version.";
+ }
+
+ typedef ipv4-multicast-source-address {
+ type union {
+ type enumeration {
+ enum "*" {
+ description
+ "Any source address.";
+ }
+ }
+ type inet:ipv4-address;
+ }
+ description
+ "Multicast source IPv4 address type.";
+ }
+
+ typedef ipv6-multicast-source-address {
+ type union {
+ type enumeration {
+ enum "*" {
+ description
+ "Any source address.";
+ }
+ }
+ type inet:ipv6-address;
+ }
+ description
+ "Multicast source IPv6 address type.";
+ }
+
+ /*** Collection of types common to protocols ***/
+
+ typedef bandwidth-ieee-float32 {
+ type string {
+ pattern
+ '0[xX](0((\.0?)?[pP](\+)?0?|(\.0?))|'
+ + '1(\.([0-9a-fA-F]{0,5}[02468aAcCeE]?)?)?[pP](\+)?(12[0-7]|'
+ + '1[01][0-9]|0?[0-9]?[0-9])?)';
+ }
+ description
+ "Bandwidth in IEEE 754 floating point 32-bit binary format:
+ (-1)**(S) * 2**(Exponent-127) * (1 + Fraction),
+ where Exponent uses 8 bits, and Fraction uses 23 bits.
+ The units are octets per second.
+ The encoding format is the external hexadecimal-significant
+ character sequences specified in IEEE 754 and C99. The
+ format is restricted to be normalized, non-negative, and
+ non-fraction: 0x1.hhhhhhp{+}d, 0X1.HHHHHHP{+}D, or 0x0p0,
+ where 'h' and 'H' are hexadecimal digits and'd' and 'D' are
+ integers in the range of [0..127].
+ When six hexadecimal digits are used for 'hhhhhh' or
+ 'HHHHHH', the least significant digit must be an even
+ number. 'x' and 'X' indicate hexadecimal; 'p' and 'P'
+ indicate power of two. Some examples are: 0x0p0, 0x1p10, and
+ 0x1.abcde2p+20";
+ reference
+ "IEEE Std 754-2008: IEEE Standard for Floating-Point
+ Arithmetic.";
+ }
+
+ typedef link-access-type {
+ type enumeration {
+ enum "broadcast" {
+ description
+ "Specify broadcast multi-access network.";
+ }
+ enum "non-broadcast-multiaccess" {
+ description
+ "Specify Non-Broadcast Multi-Access (NBMA) network.";
+ }
+ enum "point-to-multipoint" {
+ description
+ "Specify point-to-multipoint network.";
+ }
+ enum "point-to-point" {
+ description
+ "Specify point-to-point network.";
+ }
+ }
+ description
+ "Link access type.";
+ }
+
+ typedef timer-multiplier {
+ type uint8;
+ description
+ "The number of timer value intervals that should be
+ interpreted as a failure.";
+ }
+
+ typedef timer-value-seconds16 {
+ type union {
+ type uint16 {
+ range "1..65535";
+ }
+ type enumeration {
+ enum "infinity" {
+ description
+ "The timer is set to infinity.";
+ }
+ enum "not-set" {
+ description
+ "The timer is not set.";
+ }
+ }
+ }
+ units "seconds";
+ description
+ "Timer value type, in seconds (16-bit range).";
+ }
+
+ typedef timer-value-seconds32 {
+ type union {
+ type uint32 {
+ range "1..4294967295";
+ }
+ type enumeration {
+ enum "infinity" {
+ description
+ "The timer is set to infinity.";
+ }
+ enum "not-set" {
+ description
+ "The timer is not set.";
+ }
+ }
+ }
+ units "seconds";
+ description
+ "Timer value type, in seconds (32-bit range).";
+ }
+ typedef timer-value-milliseconds {
+ type union {
+ type uint32 {
+ range "1..4294967295";
+ }
+ type enumeration {
+ enum "infinity" {
+ description
+ "The timer is set to infinity.";
+ }
+ enum "not-set" {
+ description
+ "The timer is not set.";
+ }
+ }
+ }
+ units "milliseconds";
+ description
+ "Timer value type, in milliseconds.";
+ }
+
+ typedef percentage {
+ type uint8 {
+ range "0..100";
+ }
+ description
+ "Integer indicating a percentage value";
+ }
+
+ typedef timeticks64 {
+ type uint64;
+ description
+ "This type is based on the timeticks type defined in
+ RFC 6991, but with 64-bit width. It represents the time,
+ modulo 2^64, in hundredths of a second between two epochs.";
+ reference "RFC 6991 - Common YANG Data Types";
+ }
+
+ typedef uint24 {
+ type uint32 {
+ range "0 .. 16777215";
+ }
+ description
+ "24-bit unsigned integer";
+ }
+
+ /*** Collection of types related to MPLS/GMPLS ***/
+
+ typedef generalized-label {
+ type binary;
+ description
+ "Generalized label. Nodes sending and receiving the
+ Generalized Label are aware of the link-specific
+ label context and type.";
+ reference "RFC3471: Section 3.2";
+ }
+
+ typedef mpls-label-special-purpose {
+ type identityref {
+ base mpls-label-special-purpose-value;
+ }
+ description
+ "This type represents the special-purpose Multiprotocol Label
+ Switching (MPLS) label values.";
+ reference
+ "RFC3032: MPLS Label Stack Encoding.
+ RFC7274: Allocating and Retiring Special-Purpose MPLS
+ Labels.";
+ }
+
+ typedef mpls-label-general-use {
+ type uint32 {
+ range "16..1048575";
+ }
+ description
+ "The 20-bit label values in an MPLS label stack entry,
+ specified in RFC3032. This label value does not include
+ the encodings of Traffic Class and TTL (time to live).
+ The label range specified by this type is for general use,
+ with special-purpose MPLS label values excluded.";
+ reference "RFC3032: MPLS Label Stack Encoding.";
+ }
+
+ typedef mpls-label {
+ type union {
+ type mpls-label-special-purpose;
+ type mpls-label-general-use;
+ }
+ description
+ "The 20-bit label values in an MPLS label stack entry,
+ specified in RFC3032. This label value does not include
+ the encodings of Traffic Class and TTL (time to live).";
+ reference "RFC3032: MPLS Label Stack Encoding.";
+ }
+
+ /*** Groupings **/
+ grouping mpls-label-stack {
+ description
+ "This grouping specifies an MPLS label stack. The label
+ stack is encoded as a list of label stack entries. The
+ list key is an identifier which indicates relative
+ ordering of each entry, with the lowest value identifier
+ corresponding to the top of the label stack.";
+ container mpls-label-stack {
+ description
+ "Container for a list of MPLS label stack entries.";
+ list entry {
+ key "id";
+ description
+ "List of MPLS label stack entries.";
+ leaf id {
+ type uint8;
+ description
+ "Identifies the entry in a sequence of MPLS label
+ stack entries. An entry with a smaller identifier
+ value precedes an entry with a larger identifier
+ value in the label stack. The value of this ID has
+ no semantic meaning other than relative ordering
+ and referencing the entry.";
+ }
+ leaf label {
+ type rt-types:mpls-label;
+ description
+ "Label value.";
+ }
+ leaf ttl {
+ type uint8;
+ description
+ "Time to Live (TTL).";
+ reference "RFC3032: MPLS Label Stack Encoding.";
+ }
+ leaf traffic-class {
+ type uint8 {
+ range "0..7";
+ }
+ description
+ "Traffic Class (TC).";
+ reference
+ "RFC5462: Multiprotocol Label Switching (MPLS) Label
+ Stack Entry: 'EXP' Field Renamed to 'Traffic Class'
+ Field.";
+ }
+ }
+ }
+ }
+
+ grouping vpn-route-targets {
+ description
+ "A grouping that specifies Route Target import-export rules
+ used in the BGP enabled Virtual Private Networks (VPNs).";
+ reference
+ "RFC4364: BGP/MPLS IP Virtual Private Networks (VPNs).
+ RFC4664: Framework for Layer 2 Virtual Private Networks
+ (L2VPNs)";
+ list vpn-target {
+ key "route-target";
+ description
+ "List of Route Targets.";
+ leaf route-target {
+ type rt-types:route-target;
+ description
+ "Route Target value";
+ }
+ leaf route-target-type {
+ type rt-types:route-target-type;
+ mandatory true;
+ description
+ "Import/export type of the Route Target.";
+ }
+ }
+ }
+} \ No newline at end of file