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| ietf-rib-extension@2023-11-20.yang |
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| module ietf-rib-extension { | ||
| yang-version 1.1; | ||
| namespace "urn:ietf:params:xml:ns:yang:ietf-rib-extension"; | ||
| prefix rib-ext; | ||
|
|
||
| import ietf-inet-types { | ||
| prefix inet; | ||
| reference | ||
| "RFC 6991: Common YANG Data Types"; | ||
| } | ||
| import ietf-interfaces { | ||
| prefix if; | ||
| reference | ||
| "RFC 8343: A YANG Data Model for Interface | ||
| Management"; | ||
| } | ||
| import ietf-routing { | ||
| prefix rt; | ||
| reference | ||
| "RFC 8349: A YANG Data Model for Routing | ||
| Management (NMDA Version)"; | ||
| } | ||
| import ietf-ipv4-unicast-routing { | ||
| prefix v4ur; | ||
| reference | ||
| "RFC 8349: A YANG Data Model for Routing | ||
| Management (NMDA Version)"; | ||
| } | ||
| import ietf-ipv6-unicast-routing { | ||
| prefix v6ur; | ||
| reference | ||
| "RFC 8349: A YANG Data Model for Routing | ||
| Management (NMDA Version)"; | ||
| } | ||
|
|
||
| import ietf-ospf { | ||
| prefix ospf; | ||
| reference "RFC 9129: YANG Data Model for the OSPF Protocol"; | ||
| } | ||
|
|
||
| import ietf-isis { | ||
| prefix isis; | ||
| reference "RFC 9130: YANG Data Model for the IS-IS Protocol"; | ||
| } | ||
|
|
||
| organization | ||
| "IETF RTGWG (Routing Area Working Group)"; | ||
| contact | ||
| "WG Web: <https://datatracker.ietf.org/wg/rtgwg/> | ||
| WG List: <mailto:rtgwg@ietf.org> | ||
| Author: Acee Lindem | ||
| <mailto:acee.ietf@gmail.com> | ||
| Author: Yingzhen Qu | ||
| <mailto:yingzhen.qu@futurewei.com>"; | ||
| description | ||
| "This YANG module extends the RIB defined in the ietf-routing | ||
| YANG module with additional route attributes. | ||
| This YANG module conforms to the Network Management | ||
| Datastore Architecture (NMDA) as described in RFC 8342. | ||
| Copyright (c) 2023 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 Revised BSD License set | ||
| forth in Section 4.c of the IETF Trust's Legal Provisions | ||
| Relating to IETF Documents | ||
| (https://trustee.ietf.org/license-info). | ||
| This version of this YANG module is part of RFC 9403; see the | ||
| RFC itself for full legal notices."; | ||
|
|
||
| revision 2023-11-20 { | ||
| description | ||
| "Initial version."; | ||
| reference | ||
| "RFC 9403: A YANG Data Model for RIB Extensions"; | ||
| } | ||
|
|
||
| /* Groupings */ | ||
|
|
||
| grouping rib-statistics { | ||
| description | ||
| "Statistics grouping used for RIB augmentation."; | ||
| container statistics { | ||
| config false; | ||
| description | ||
| "Container for RIB statistics."; | ||
| leaf total-routes { | ||
| type uint32; | ||
| description | ||
| "Total number of routes in the RIB."; | ||
| } | ||
| leaf total-active-routes { | ||
| type uint32; | ||
| description | ||
| "Total number of active routes in the RIB. An active | ||
| route is the route that is preferred over other routes | ||
| to the same destination prefix."; | ||
| } | ||
| leaf total-route-memory { | ||
| type uint64; | ||
| units "bytes"; | ||
| description | ||
| "Total memory for all routes in the RIB."; | ||
| } | ||
| list protocol-statistics { | ||
| description | ||
| "RIB statistics for routing protocols installing | ||
| routes in the RIB."; | ||
| leaf protocol { | ||
| type identityref { | ||
| base rt:routing-protocol; | ||
| } | ||
| description | ||
| "Routing protocol installing routes in the RIB."; | ||
| } | ||
| leaf routes { | ||
| type uint32; | ||
| description | ||
| "Total number of routes in the RIB for the routing | ||
| protocol identified by the 'protocol' entry."; | ||
| } | ||
| leaf active-routes { | ||
| type uint32; | ||
| description | ||
| "Total number of active routes in the RIB for the | ||
| routing protocol identified by the 'protocol' entry. | ||
| An active route is preferred over other routes to the | ||
| same destination prefix."; | ||
| } | ||
| leaf route-memory { | ||
| type uint64; | ||
| units "bytes"; | ||
| description | ||
| "Total memory for all routes in the RIB for the | ||
| routing protocol identified by the 'protocol' | ||
| entry."; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| grouping repair-path { | ||
| description | ||
| "Grouping for the IP Fast Reroute (IPFRR) repair path."; | ||
| container repair-path { | ||
| description | ||
| "IPFRR next-hop repair path."; | ||
| leaf outgoing-interface { | ||
| type if:interface-state-ref; | ||
| description | ||
| "Name of the outgoing interface."; | ||
| } | ||
| leaf next-hop-address { | ||
| type inet:ip-address-no-zone; | ||
| description | ||
| "IP address of the next hop."; | ||
| } | ||
| leaf metric { | ||
| type uint32; | ||
| description | ||
| "The metric for the repair path. While the reroute | ||
| repair is local and the metric is not advertised | ||
| externally, the metric for the repair path is useful | ||
| for troubleshooting purposes."; | ||
| } | ||
| reference | ||
| "RFC 5714: IP Fast Reroute Framework"; | ||
| } | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:control-plane-protocols/" | ||
| + "rt:control-plane-protocol/rt:static-routes/v4ur:ipv4/" | ||
| + "v4ur:route/v4ur:next-hop/v4ur:next-hop-options/" | ||
| + "v4ur:simple-next-hop" { | ||
| description | ||
| "Augment 'simple-next-hop' case in IPv4 unicast route."; | ||
| leaf preference { | ||
| type uint32; | ||
| default "1"; | ||
| description | ||
| "The preference is used to select among multiple static | ||
| routes. Routes with a lower next-hop preference value | ||
| are preferred, and equal-preference routes result in | ||
| Equal-Cost Multipath (ECMP) static routes."; | ||
| } | ||
| leaf tag { | ||
| type uint32; | ||
| default "0"; | ||
| description | ||
| "The tag is a 32-bit opaque value associated with the | ||
| route that can be used for policy decisions such as | ||
| advertisement and filtering of the route."; | ||
| } | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:control-plane-protocols/" | ||
| + "rt:control-plane-protocol/rt:static-routes/v4ur:ipv4/" | ||
| + "v4ur:route/v4ur:next-hop/v4ur:next-hop-options/" | ||
| + "v4ur:next-hop-list/v4ur:next-hop-list/v4ur:next-hop" { | ||
| description | ||
| "Augment static route configuration 'next-hop-list'."; | ||
| leaf preference { | ||
| type uint32; | ||
| default "1"; | ||
| description | ||
| "The preference is used to select among multiple static | ||
| routes. Routes with a lower next-hop preference value | ||
| are preferred, and equal-preference routes result in | ||
| ECMP static routes."; | ||
| } | ||
| leaf tag { | ||
| type uint32; | ||
| default "0"; | ||
| description | ||
| "The tag is a 32-bit opaque value associated with the | ||
| route that can be used for policy decisions such as | ||
| advertisement and filtering of the route."; | ||
| } | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:control-plane-protocols/" | ||
| + "rt:control-plane-protocol/rt:static-routes/v6ur:ipv6/" | ||
| + "v6ur:route/v6ur:next-hop/v6ur:next-hop-options/" | ||
| + "v6ur:simple-next-hop" { | ||
| description | ||
| "Augment 'simple-next-hop' case in IPv6 unicast route."; | ||
| leaf preference { | ||
| type uint32; | ||
| default "1"; | ||
| description | ||
| "The preference is used to select among multiple static | ||
| routes. Routes with a lower next-hop preference value | ||
| are preferred, and equal-preference routes result in | ||
| ECMP static routes."; | ||
| } | ||
| leaf tag { | ||
| type uint32; | ||
| default "0"; | ||
| description | ||
| "The tag is a 32-bit opaque value associated with the | ||
| route that can be used for policy decisions such as | ||
| advertisement and filtering of the route."; | ||
| } | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:control-plane-protocols/" | ||
| + "rt:control-plane-protocol/rt:static-routes/v6ur:ipv6/" | ||
| + "v6ur:route/v6ur:next-hop/v6ur:next-hop-options/" | ||
| + "v6ur:next-hop-list/v6ur:next-hop-list/v6ur:next-hop" { | ||
| description | ||
| "Augment static route configuration 'next-hop-list'."; | ||
| leaf preference { | ||
| type uint32; | ||
| default "1"; | ||
| description | ||
| "The preference is used to select among multiple static | ||
| routes. Routes with a lower next-hop preference value | ||
| are preferred, and equal-preference routes result in | ||
| ECMP static routes."; | ||
| } | ||
| leaf tag { | ||
| type uint32; | ||
| default "0"; | ||
| description | ||
| "The tag is a 32-bit opaque value associated with the | ||
| route that can be used for policy decisions such as | ||
| advertisement and filtering of the route."; | ||
| } | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:ribs/rt:rib" { | ||
| description | ||
| "Augment a RIB with statistics."; | ||
| uses rib-statistics; | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:ribs/rt:rib/" | ||
| + "rt:routes/rt:route" { | ||
| description | ||
| "Augment a route in the RIB with common attributes."; | ||
| leaf metric { | ||
| when "not(derived-from(" | ||
| + "../rt:source-protocol, 'ospf:ospf')) " | ||
| + "and not(derived-from( " | ||
| + "../rt:source-protocol, 'isis:isis'))" { | ||
| description | ||
| "This augmentation is only valid for routes that don't | ||
| have OSPF or IS-IS as the source protocol. The YANG | ||
| data models for OSPF and IS-IS already include a | ||
| 'metric' augmentation for routes."; | ||
| } | ||
| type uint32; | ||
| description | ||
| "The metric is a numeric value indicating the cost | ||
| of the route from the perspective of the routing | ||
| protocol installing the route. In general, routes with | ||
| a lower metric installed by the same routing protocol | ||
| are lower cost to reach and are preferable to routes | ||
| with a higher metric. However, metrics from different | ||
| routing protocols are not comparable."; | ||
| } | ||
| leaf-list tag { | ||
| when "not(derived-from(" | ||
| + "../rt:source-protocol, 'ospf:ospf')) " | ||
| + "and not(derived-from( " | ||
| + "../rt:source-protocol, 'isis:isis'))" { | ||
| description | ||
| "This augmentation is only valid for routes that don't | ||
| have OSPF or IS-IS as the source protocol. The YANG | ||
| data models for OSPF and IS-IS already include a 'tag' | ||
| augmentation for routes."; | ||
| } | ||
| type uint32; | ||
| description | ||
| "A tag is a 32-bit opaque value associated with the | ||
| route that can be used for policy decisions such as | ||
| advertisement and filtering of the route."; | ||
| } | ||
| leaf application-tag { | ||
| type uint32; | ||
| description | ||
| "The application-specific tag is an additional tag that | ||
| can be used by applications that require semantics and/or | ||
| policy different from that of the tag. For example, | ||
| the tag is usually automatically advertised in OSPF | ||
| AS-External Link State Advertisements (LSAs) while this | ||
| application-specific tag is not advertised implicitly."; | ||
| } | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:ribs/rt:rib/" | ||
| + "rt:routes/rt:route/rt:next-hop/rt:next-hop-options/" | ||
| + "rt:simple-next-hop" { | ||
| description | ||
| "Augment 'simple-next-hop' with 'repair-path'."; | ||
| uses repair-path; | ||
| } | ||
|
|
||
| augment "/rt:routing/rt:ribs/rt:rib/" | ||
| + "rt:routes/rt:route/rt:next-hop/rt:next-hop-options/" | ||
| + "rt:next-hop-list/rt:next-hop-list/rt:next-hop" { | ||
| description | ||
| "Augment the next hop with a repair path."; | ||
| uses repair-path; | ||
| } | ||
| } |