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ietf-routing-types.yang
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ietf-routing-types.yang
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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:[email protected]>
Editor: Xufeng Lui
<mailto:[email protected]>
Yingzhen Qu
<mailto:[email protected]>
Acee Lindem
<mailto:[email protected]>
Christian Hopps
<mailto:[email protected]>
Lou Berger
<mailto:[email protected]>";
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 2017-06-13 {
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]\d|65[0-4]\d{2}|6[0-4]\d{3}|'
+ '[0-5]?\d{0,3}\d):(429496729[0-5]|42949672[0-8]\d|'
+ '4294967[01]\d{2}|429496[0-6]\d{3}|42949[0-5]\d{4}|'
+ '4294[0-8]\d{5}|429[0-3]\d{6}|42[0-8]\d{7}|4[01]\d{8}|'
+ '[0-3]?\d{0,8}\d))|'
+ '(1:(((\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])\.){3}(\d|[1-9]\d|'
+ '1\d{2}|2[0-4]\d|25[0-5])):(6553[0-5]|655[0-2]\d|'
+ '65[0-4]\d{2}|6[0-4]\d{3}|[0-5]?\d{0,3}\d))|'
+ '(2:(429496729[0-5]|42949672[0-8]\d|4294967[01]\d{2}|'
+ '429496[0-6]\d{3}|42949[0-5]\d{4}|4294[0-8]\d{5}|'
+ '429[0-3]\d{6}|42[0-8]\d{7}|4[01]\d{8}|[0-3]?\d{0,8}\d):'
+ '(6553[0-5]|655[0-2]\d|65[0-4]\d{2}|6[0-4]\d{3}|'
+ '[0-5]?\d{0,3}\d))';
}
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 three fields:
a 2-octet type field, an administrator field,
and an assigned number field.
According to the data formats for type 0, 1, and 2 defined in
RFC4360 and RFC5668, 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.
Some valid examples are: 0:100:100, 1:1.1.1.1:100, and
2:1234567890:203.";
reference
"RFC4360: BGP Extended Communities Attribute.
RFC5668: 4-Octet AS Specific BGP Extended Community.";
}
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]\d|65[0-4]\d{2}|6[0-4]\d{3}|'
+ '[0-5]?\d{0,3}\d):(429496729[0-5]|42949672[0-8]\d|'
+ '4294967[01]\d{2}|429496[0-6]\d{3}|42949[0-5]\d{4}|'
+ '4294[0-8]\d{5}|429[0-3]\d{6}|42[0-8]\d{7}|4[01]\d{8}|'
+ '[0-3]?\d{0,8}\d))|'
+ '(1:(((\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])\.){3}(\d|[1-9]\d|'
+ '1\d{2}|2[0-4]\d|25[0-5])):(6553[0-5]|655[0-2]\d|'
+ '65[0-4]\d{2}|6[0-4]\d{3}|[0-5]?\d{0,3}\d))|'
+ '(2:(429496729[0-5]|42949672[0-8]\d|4294967[01]\d{2}|'
+ '429496[0-6]\d{3}|42949[0-5]\d{4}|4294[0-8]\d{5}|'
+ '429[0-3]\d{6}|42[0-8]\d{7}|4[01]\d{8}|[0-3]?\d{0,8}\d):'
+ '(6553[0-5]|655[0-2]\d|65[0-4]\d{2}|6[0-4]\d{3}|'
+ '[0-5]?\d{0,3}\d))|'
+ '(([3-9a-fA-F]|[1-9a-fA-F][\da-fA-F]{1,3}):'
+ '[\da-fA-F]{1,12})';
}
description
"A route distinguisher is an 8-octet value used to distinguish
routes from different BGP VPNs (RFC 4364). A route
distinguisher consists of three fields: A 2-octet type field,
an administrator field, and an assigned number field.
According to the data formats for type 0, 1, and 2 defined in
RFC4364, 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.
2-octet-other-hex-number:6-octet-hex-number
Some valid examples are: 0:100:100, 1:1.1.1.1:100, and
2:1234567890:203.";
reference
"RFC4364: BGP/MPLS IP Virtual Private Networks (VPNs).";
}
/*** 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(\.([\da-fA-F]{0,5}[02468aAcCeE]?)?)?[pP](\+)?(12[0-7]|'
+ '1[01]\d|0?\d?\d)?)';
}
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 or 0X1.HHHHHHP{+}D
where 'h' and 'H' are hexadecimal digits, '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";
}
/*** 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
"A grouping that specifies an MPLS 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 sequence of an MPLS label stack entries.
An entry with smaller ID value is precedes an entry in
the label stack with a smaller ID.";
}
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.";
}
}
}
}