This YANG module defines the generic configuration and operational states for the IS-IS protocol common to all vendor implementa...
Version: 2022-10-19
module ietf-isis { yang-version 1.1; namespace "urn:ietf:params:xml:ns:yang:ietf-isis"; prefix isis; import ietf-routing { prefix rt; reference "RFC 8349: A YANG Data Model for Routing Management (NMDA Version)"; } import ietf-inet-types { prefix inet; reference "RFC 6991: Common YANG Data Types"; } import ietf-yang-types { prefix yang; reference "RFC 6991: Common YANG Data Types"; } import ietf-interfaces { prefix if; reference "RFC 8343: A YANG Data Model for Interface Management"; } import ietf-key-chain { prefix key-chain; reference "RFC 8177: YANG Data Model for Key Chains"; } import ietf-routing-types { prefix rt-types; reference "RFC 8294: Common YANG Data Types for the Routing Area"; } import iana-routing-types { prefix iana-rt-types; reference "RFC 8294: Common YANG Data Types for the Routing Area"; } import ietf-bfd-types { prefix bfd-types; reference "RFC 9314: YANG Data Model for Bidirectional Forwarding Detection (BFD)"; } organization "IETF LSR Working Group"; contact "WG Web: <https://datatracker.ietf.org/wg/lsr/> WG List: <mailto:lsr@ietf.org> Editor: Stephane Litkowski <mailto:slitkows.ietf@gmail.com> Author: Derek Yeung <mailto:derek@arrcus.com> Author: Acee Lindem <mailto:acee@cisco.com> Author: Jeffrey Zhang <mailto:zzhang@juniper.net> Author: Ladislav Lhotka <mailto:ladislav.lhotka@nic.cz>"; description "This YANG module defines the generic configuration and operational states for the IS-IS protocol common to all vendor implementations. It is intended that the module will be extended by vendors to define vendor-specific IS-IS configuration parameters and policies - for example, route maps or route policies. This YANG data model conforms to the Network Management Datastore Architecture (NMDA) as described in RFC 8342. The key words 'MUST', 'MUST NOT', 'REQUIRED', 'SHALL', 'SHALL NOT', 'SHOULD', 'SHOULD NOT', 'RECOMMENDED', 'NOT RECOMMENDED', 'MAY', and 'OPTIONAL' in this document are to be interpreted as described in BCP 14 (RFC 2119) (RFC 8174) when, and only when, they appear in all capitals, as shown here. Copyright (c) 2022 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 9130; see the RFC itself for full legal notices."; reference "RFC 8342: Network Management Datastore Architecture (NMDA)"; revision "2022-10-19" { description "Initial revision."; reference "RFC 9130: YANG Data Model for the IS-IS Protocol"; } identity isis { base rt:routing-protocol; description "Identity for the IS-IS routing protocol."; } identity lsp-log-reason { description "Base identity for a Link State PDU (LSP) change log reason."; } identity refresh { base lsp-log-reason; description "Identity used when the LSP log reason is that an LSP refresh was received."; } identity content-change { base lsp-log-reason; description "Identity used when the LSP log reason is a change in the contents of the LSP."; } identity frr-protection-method { description "Base identity for a Fast Reroute protection method."; } identity frr-protection-method-lfa { base frr-protection-method; description "Loop-Free Alternate as defined in RFC 5286."; reference "RFC 5286: Basic Specification for IP Fast Reroute: Loop-Free Alternates"; } identity frr-protection-method-rlfa { base frr-protection-method; description "Remote Loop-Free Alternate as defined in RFC 7490."; reference "RFC 7490: Remote Loop-Free Alternate (LFA) Fast Reroute (FRR)"; } identity frr-protection-method-rsvpte { base frr-protection-method; description "RSVP-TE as defined in RFC 4090."; reference "RFC 4090: Fast Reroute Extensions to RSVP-TE for LSP Tunnels"; } identity frr-protection-available-type { description "Base identity for Fast Reroute protection types provided by an alternate path."; } identity frr-protection-available-node-type { base frr-protection-available-type; description "Node protection is provided by the alternate."; } identity frr-protection-available-link-type { base frr-protection-available-type; description "Link protection is provided by the alternate."; } identity frr-protection-available-srlg-type { base frr-protection-available-type; description "Shared Risk Link Group (SRLG) protection is provided by the alternate."; } identity frr-protection-available-downstream-type { base frr-protection-available-type; description "The alternate is downstream of the node in the path."; } identity frr-protection-available-other-type { base frr-protection-available-type; description "The level of protection is unknown."; } identity frr-alternate-type { description "Base identity for the IP Fast Reroute alternate type."; } identity frr-alternate-type-equal-cost { base frr-alternate-type; description "ECMP-based alternate."; } identity frr-alternate-type-lfa { base frr-alternate-type; description "LFA-based alternate."; } identity frr-alternate-type-remote-lfa { base frr-alternate-type; description "Remote-LFA-based alternate."; } identity frr-alternate-type-tunnel { base frr-alternate-type; description "Tunnel-based alternate (such as RSVP-TE or GRE)."; } identity frr-alternate-mrt { base frr-alternate-type; description "MRT-based alternate."; } identity frr-alternate-tilfa { base frr-alternate-type; description "TI-LFA-based alternate."; } identity frr-alternate-other { base frr-alternate-type; description "Other type of alternate."; } identity unidirectional-link-delay-subtlv-flag { description "Base identity for the flag corresponding to the Unidirectional Link Delay sub-TLV as defined in RFC 8570."; reference "RFC 8570: IS-IS Traffic Engineering (TE) Metric Extensions"; } identity unidirectional-link-delay-subtlv-a-flag { base unidirectional-link-delay-subtlv-flag; description "The 'A' bit field represents the Anomalous (A) bit. The A bit is set when the measured value of this parameter exceeds its configured maximum threshold. The A bit is cleared when the measured value falls below its configured reuse threshold. If the A bit is clear, the value represents steady-state link performance."; } identity min-max-unidirectional-link-delay-subtlv-flag { description "Base identity for the flag corresponding to the Min/Max Unidirectional Link Delay sub-TLV as defined in RFC 8570."; reference "RFC 8570: IS-IS Traffic Engineering (TE) Metric Extensions"; } identity min-max-unidirectional-link-delay-subtlv-a-flag { base min-max-unidirectional-link-delay-subtlv-flag; description "The 'A' bit field represents the Anomalous (A) bit. The A bit is set when the measured value of this parameter exceeds its configured maximum threshold. The A bit is cleared when the measured value falls below its configured reuse threshold. If the A bit is clear, the value represents steady-state link performance."; } identity unidirectional-link-loss-subtlv-flag { description "Base identity for the flag corresponding to the Unidirectional Link Loss sub-TLV as defined in RFC 8570."; reference "RFC 8570: IS-IS Traffic Engineering (TE) Metric Extensions"; } identity unidirectional-link-loss-subtlv-a-flag { base unidirectional-link-loss-subtlv-flag; description "The 'A' bit field represents the Anomalous (A) bit. The A bit is set when the measured value of this parameter exceeds its configured maximum threshold. The A bit is cleared when the measured value falls below its configured reuse threshold. If the A bit is clear, the value represents steady-state link performance."; } identity tlv229-flag { description "Base identity for the flag corresponding to TLV 229 (M-Topologies) as defined in RFC 5120."; reference "RFC 5120: M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)"; } identity tlv229-overload-flag { base tlv229-flag; description "If set, the originator is overloaded and must be avoided in the path calculation."; } identity tlv229-attached-flag { base tlv229-flag; description "If set, the originator is attached to another area using the referred metric."; } identity router-capability-flag { description "Base identity for the flag corresponding to the Router Capability TLV as defined in RFC 7981."; reference "RFC 7981: IS-IS Extensions for Advertising Router Information"; } identity router-capability-flooding-flag { base router-capability-flag; description "Quote from RFC 7981: 'If the S bit is set(1), the IS-IS Router CAPABILITY TLV MUST be flooded across the entire routing domain. If the S bit is not set(0), the TLV MUST NOT be leaked between levels. This bit MUST NOT be altered during the TLV leaking.'"; } identity router-capability-down-flag { base router-capability-flag; description "Quote from RFC 7981: 'When the IS-IS Router CAPABILITY TLV is leaked from Level 2 (L2) to Level 1 (L1), the D bit MUST be set. Otherwise, this bit MUST be clear. IS-IS Router CAPABILITY TLVs with the D bit set MUST NOT be leaked from Level 1 to Level 2. This is to prevent TLV looping.'"; } identity lsp-flag { description "Base identity for LSP attributes as defined in ISO 10589."; reference "ISO 10589: Intermediate System to Intermediate System intra-domain routeing information exchange protocol for use in conjunction with the protocol for providing the connectionless-mode network service (ISO 8473)"; } identity lsp-partitioned-flag { base lsp-flag; description "Originator partition repair supported."; } identity lsp-attached-error-metric-flag { base lsp-flag; description "Set when the originator is attached to another area using the error metric."; } identity lsp-attached-delay-metric-flag { base lsp-flag; description "Set when the originator is attached to another area using the delay metric."; } identity lsp-attached-expense-metric-flag { base lsp-flag; description "Set when the originator is attached to another area using the expense metric."; } identity lsp-attached-default-metric-flag { base lsp-flag; description "Set when the originator is attached to another area using the default metric."; } identity lsp-overload-flag { base lsp-flag; description "If set, the originator is overloaded and must be avoided in the path calculation."; } identity lsp-l1-system-flag { base lsp-flag; description "Set when the Intermediate System has an L1 type."; } identity lsp-l2-system-flag { base lsp-flag; description "Set when the Intermediate System has an L2 type."; } feature osi-interface { description "Support of OSI-specific parameters on an interface."; } feature poi-tlv { description "Support of the Purge Originator Identification (POI) TLV."; reference "RFC 6232: Purge Originator Identification TLV for IS-IS"; } feature ietf-spf-delay { description "Support for the IETF SPF delay algorithm."; reference "RFC 8405: Shortest Path First (SPF) Back-Off Delay Algorithm for Link-State IGPs"; } feature bfd { description "Support for detection of IS-IS neighbor reachability via BFD."; reference "RFC 5880: Bidirectional Forwarding Detection (BFD) RFC 5881: Bidirectional Forwarding Detection (BFD) for IPv4 and IPv6 (Single Hop)"; } feature key-chain { description "Support of key chains for authentication."; reference "RFC 8177: YANG Data Model for Key Chains"; } feature node-flag { description "Support for node flags for IS-IS prefixes."; reference "RFC 7794: IS-IS Prefix Attributes for Extended IPv4 and IPv6 Reachability"; } feature node-tag { description "Support for node administrative tags for IS-IS routing instances."; reference "RFC 7917: Advertising Node Administrative Tags in IS-IS"; } feature ldp-igp-sync { description "Support for LDP IGP synchronization."; reference "RFC 5443: LDP IGP Synchronization"; } feature fast-reroute { description "Support for IP Fast Reroute (IP FRR)."; } feature nsr { description "Support for Non-Stop-Routing (NSR). The IS-IS NSR feature allows a router with redundant control-plane capability (e.g., dual Route Processor (RP) cards) to maintain its state and adjacencies during planned and unplanned IS-IS instance restarts. It differs from graceful restart or Non-Stop Forwarding (NSF) in that no protocol signaling or assistance from adjacent IS-IS neighbors is required to recover control-plane state."; } feature lfa { description "Support for Loop-Free Alternates (LFAs)."; reference "RFC 5286: Basic Specification for IP Fast Reroute: Loop-Free Alternates"; } feature remote-lfa { description "Support for remote LFAs (R-LFAs)."; reference "RFC 7490: Remote Loop-Free Alternate (LFA) Fast Reroute (FRR)"; } feature overload-max-metric { description "Support of overload by setting all links to the maximum link metric. In IS-IS, the overload bit is usually used to signal that a node cannot be used as a transit node. The 'overload-max-metric' feature provides similar behavior, also setting all the link metrics to MAX_METRIC."; } feature prefix-tag { description "Support for 32-bit prefix tags."; reference "RFC 5130: A Policy Control Mechanism in IS-IS Using Administrative Tags"; } feature prefix-tag64 { description "Support for 64-bit prefix tags."; reference "RFC 5130: A Policy Control Mechanism in IS-IS Using Administrative Tags"; } feature auto-cost { description "Support for an IS-IS interface metric computation according to a reference bandwidth."; } feature te-rid { description "Traffic Engineering router ID."; reference "RFC 5305: IS-IS Extensions for Traffic Engineering RFC 6119: IPv6 Traffic Engineering in IS-IS"; } feature max-ecmp { description "Sets the maximum number of ECMP paths."; } feature multi-topology { description "Support for Multi-Topology (MT) Routing."; reference "RFC 5120: M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)"; } feature nlpid-control { description "Support for the advertisement of a Network Layer Protocol Identifier within an IS-IS configuration."; } feature graceful-restart { description "Support for IS-IS graceful restart."; reference "RFC 8706: Restart Signaling for IS-IS"; } feature lsp-refresh { description "Configuration of the LSP refresh interval."; } feature maximum-area-addresses { description "Support for 'maximum-area-addresses' configuration."; } feature admin-control { description "Administrative control of the protocol state."; } typedef circuit-id { type uint8; description "This type defines the circuit ID associated with an interface."; } typedef extended-circuit-id { type uint32; description "This type defines the extended circuit ID associated with an interface."; } typedef interface-type { type enumeration { enum "broadcast" { value 0; description "Broadcast interface type."; } enum "point-to-point" { value 1; description "Point-to-point interface type."; } } description "This type defines the type of adjacency to be established for the interface. 'interface-type' determines the type of Hello message that is used."; } typedef level { type enumeration { enum "level-1" { value 0; description "This enum indicates L1-only capability."; } enum "level-2" { value 1; description "This enum indicates L2-only capability."; } enum "level-all" { value 2; description "This enum indicates capability for both levels."; } } default "level-all"; description "This type defines the IS-IS level of an object."; } typedef adj-state-type { type enumeration { enum "up" { value 0; description "This state indicates that the adjacency is established."; } enum "down" { value 1; description "This state indicates that the adjacency is NOT established."; } enum "init" { value 2; description "This state indicates that the adjacency is being established."; } enum "failed" { value 3; description "This state indicates that the adjacency has failed."; } } description "This type defines the states of an adjacency."; } typedef if-state-type { type enumeration { enum "up" { value 0; description "'up' state."; } enum "down" { value 1; description "'down' state."; } } description "This type defines the state of an interface."; } typedef level-number { type uint8 { range "1 .. 2"; } description "This type defines the current IS-IS level."; } typedef lsp-id { type string { pattern '[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}\.[0-9][0-9]-[0-9][0-9]'; } description "This type defines the IS-IS LSP ID format using a pattern. An example LSP ID is '0143.0438.AEF0.02-01'."; } typedef area-address { type string { pattern '[0-9A-Fa-f]{2}(\.[0-9A-Fa-f]{4}){0,6}'; } description "This type defines the area address format."; } typedef snpa { type string { length "0 .. 20"; } description "This type defines the Subnetwork Point of Attachment (SNPA) format. The SNPA should be encoded according to the rules specified for the particular type of subnetwork being used. As an example, for an Ethernet subnetwork, the SNPA is encoded as a Media Access Control (MAC) address, such as '00aa.bbcc.ddee'."; } typedef system-id { type string { pattern '[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}'; } description "This type defines the IS-IS system ID by using a pattern. An example system ID is '0143.0438.AEF0'."; } typedef extended-system-id { type string { pattern '[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}\.[0-9][0-9]'; } description "This type defines the IS-IS system ID using a pattern. 'extended-system-id' contains the pseudonode number in addition to the system ID. An example extended system ID is '0143.0438.AEF0.00'."; } typedef wide-metric { type uint32 { range "0 .. 16777215"; } description "This type defines the wide-style format of an IS-IS metric."; } typedef std-metric { type uint8 { range "0 .. 63"; } description "This type defines the old-style format of the IS-IS metric."; } typedef mesh-group-state { type enumeration { enum "mesh-inactive" { value 0; description "The interface is not part of a mesh group."; } enum "mesh-set" { value 1; description "The interface is part of a mesh group."; } enum "mesh-blocked" { value 2; description "LSPs must not be flooded over this interface."; } } description "This type describes the mesh group state of an interface."; } grouping notification-instance-hdr { description "Instance-specific IS-IS notification data grouping."; leaf routing-protocol-name { type leafref { path "/rt:routing/rt:control-plane-protocols/rt:control-plane-protocol/rt:name"; } description "Name of the IS-IS instance."; } leaf isis-level { type level; description "IS-IS level of the instance."; } } // grouping notification-instance-hdr grouping notification-interface-hdr { description "Interface-specific IS-IS notification data grouping."; leaf interface-name { type if:interface-ref; description "IS-IS interface name."; } leaf interface-level { type level; description "IS-IS level of the interface."; } leaf extended-circuit-id { type extended-circuit-id; description "Extended circuit ID of the interface."; } } // grouping notification-interface-hdr grouping instance-fast-reroute-config { description "This group defines the global configuration of IP Fast Reroute (FRR)."; container fast-reroute { if-feature fast-reroute; description "This container may be augmented with global parameters for IP FRR."; container lfa { if-feature lfa; description "This container may be augmented with global parameters for Loop-Free Alternates (LFAs). The creation of this container has no effect on LFA activation."; } // container lfa } // container fast-reroute } // grouping instance-fast-reroute-config grouping interface-lfa-config { description "Grouping for LFA interface configuration."; leaf candidate-enabled { type boolean; default "true"; description "Enables the interface to be used as a backup."; } leaf enabled { type boolean; default "false"; description "Activates the LFA. Per-prefix LFA computation is assumed."; } container remote-lfa { if-feature remote-lfa; description "Remote LFA configuration."; leaf enabled { type boolean; default "false"; description "Activates the remote LFA (R-LFA)."; } } // container remote-lfa } // grouping interface-lfa-config grouping interface-fast-reroute-config { description "This group defines the interface configuration of IP FRR."; container fast-reroute { if-feature fast-reroute; description "Interface IP FRR configuration."; container lfa { if-feature lfa; description "LFA configuration."; uses interface-lfa-config; container level-1 { description "LFA level-1 configuration."; uses interface-lfa-config; } // container level-1 container level-2 { description "LFA level-2 configuration."; uses interface-lfa-config; } // container level-2 } // container lfa } // container fast-reroute } // grouping interface-fast-reroute-config grouping instance-fast-reroute-state { description "IP FRR state data grouping."; container protected-routes { config false; description "List of prefixes that are protected."; list address-family-stats { key "address-family prefix alternate"; description "Per-address-family protected prefix statistics."; leaf address-family { type iana-rt-types:address-family; description "Address family."; } leaf prefix { type inet:ip-prefix; description "Protected prefix."; } leaf alternate { type inet:ip-address; description "Alternate next hop for the prefix."; } leaf alternate-type { type identityref { base frr-alternate-type; } description "Type of alternate."; } leaf best { type boolean; description "Set when the alternate is the preferred alternate; clear otherwise."; } leaf non-best-reason { type string { length "1..255"; } description "Information field that explains why the alternate is not the best alternate. The length should be limited to 255 Unicode characters. The expected format is a single line of text."; } container protection-available { description "Protection types provided by the alternate."; leaf-list protection-types { type identityref { base frr-protection-available-type; } description "This list contains a set of protection types defined as identities. An identity must be added for each type of protection provided by the alternate. As an example, if an alternate provides SRLG, node, and link protection, three identities must be added in this list: one for SRLG protection, one for node protection, and one for link protection."; } } // container protection-available leaf alternate-metric-1 { type uint32; description "Metric from the Point of Local Repair (PLR) to the destination through the alternate path."; } leaf alternate-metric-2 { type uint32; description "Metric from the PLR to the alternate node."; } leaf alternate-metric-3 { type uint32; description "Metric from the alternate node to the destination."; } } // list address-family-stats } // container protected-routes container unprotected-routes { config false; description "List of prefixes that are not protected."; list prefixes { key "address-family prefix"; description "Per-address-family unprotected prefix statistics."; leaf address-family { type iana-rt-types:address-family; description "Address family."; } leaf prefix { type inet:ip-prefix; description "Unprotected prefix."; } } // list prefixes } // container unprotected-routes list protection-statistics { key "frr-protection-method"; config false; description "Global protection statistics."; leaf frr-protection-method { type identityref { base frr-protection-method; } description "Protection method used."; } list address-family-stats { key "address-family"; description "Per-address-family protected prefix statistics."; leaf address-family { type iana-rt-types:address-family; description "Address family."; } leaf total-routes { type yang:gauge32; description "Total prefixes."; } leaf unprotected-routes { type yang:gauge32; description "Total prefixes that are not protected."; } leaf protected-routes { type yang:gauge32; description "Total prefixes that are protected."; } leaf link-protected-routes { type yang:gauge32; description "Total prefixes that are link protected."; } leaf node-protected-routes { type yang:gauge32; description "Total prefixes that are node protected."; } } // list address-family-stats } // list protection-statistics } // grouping instance-fast-reroute-state grouping local-rib { description "Local RIB: RIB for routes computed by the local IS-IS routing instance."; container local-rib { config false; description "Local RIB."; list route { key "prefix"; description "Routes."; leaf prefix { type inet:ip-prefix; description "Destination prefix."; } container next-hops { description "Next hops for the route."; list next-hop { key "next-hop"; description "List of next hops for the route."; leaf outgoing-interface { type if:interface-ref; description "Name of the outgoing interface."; } leaf next-hop { type inet:ip-address; description "Next-hop address."; } } // list next-hop } // container next-hops leaf metric { type uint32; description "Metric for this route."; } leaf level { type level-number; description "Level number for this route."; } leaf route-tag { type uint32; description "Route tag for this route."; } } // list route } // container local-rib } // grouping local-rib grouping route-content { description "IS-IS protocol-specific route properties grouping."; leaf metric { type uint32; description "IS-IS metric of a route."; } leaf-list tag { type uint64; description "List of tags associated with the route. This list provides a consolidated view of both 32-bit and 64-bit tags (RFC 5130) available for the prefix."; reference "RFC 5130: A Policy Control Mechanism in IS-IS Using Administrative Tags"; } leaf route-type { type enumeration { enum "l2-intra-area" { value 0; description "Level-2 internal route. As per RFC 5302, the prefix is directly connected to the advertising router. It cannot be distinguished from an L1->L2 inter-area route."; reference "RFC 5302: Domain-Wide Prefix Distribution with Two-Level IS-IS"; } enum "l1-intra-area" { value 1; description "Level-1 internal route. As per RFC 5302, the prefix is directly connected to the advertising router."; } enum "l2-external" { value 2; description "Level-2 external route. As per RFC 5302, such a route is learned from other IGPs. It cannot be distinguished from an L1->L2 inter-area external route."; } enum "l1-external" { value 3; description "Level-1 external route. As per RFC 5302, such a route is learned from other IGPs."; } enum "l1-inter-area" { value 4; description "These prefixes are learned via L2 routing."; } enum "l1-inter-area-external" { value 5; description "These prefixes are learned via L2 routing towards a level-2 external route."; } } description "IS-IS route type."; } } // grouping route-content grouping adjacency-state { description "Adjacency state."; container adjacencies { config false; description "This container lists the adjacencies of the local node."; list adjacency { description "List of operational adjacencies."; leaf neighbor-sys-type { type level; description "Level capability of the neighboring system."; } leaf neighbor-sysid { type system-id; description "The system ID of the neighbor."; } leaf neighbor-extended-circuit-id { type extended-circuit-id; description "The circuit ID of the neighbor."; } leaf neighbor-snpa { type snpa; description "The SNPA of the neighbor."; } leaf usage { type level; description "Defines the level(s) activated for the adjacency. On a point-to-point link, this might be level 1 and level 2, but on a LAN, the usage will be level 1 between neighbors at level 1 or level 2 between neighbors at level 2."; } leaf hold-timer { type rt-types:timer-value-seconds16; units "seconds"; description "The holding time (in seconds) for this adjacency. This value is based on received Hello PDUs and the elapsed time since receipt."; } leaf neighbor-priority { type uint8 { range "0 .. 127"; } description "Priority of the neighboring IS for becoming the Designated Intermediate System (DIS)."; } leaf lastuptime { type yang:timestamp; description "When the adjacency most recently entered the 'up' state, measured in hundredths of a second since the last reinitialization of the network management subsystem. The value is 0 if the adjacency has never been in the 'up' state."; } leaf state { type adj-state-type; description "This leaf describes the state of the interface."; } } // list adjacency } // container adjacencies } // grouping adjacency-state grouping admin-control { description "Grouping for administrative control."; leaf enabled { if-feature admin-control; type boolean; default "true"; description "Enables or disables the protocol."; } } // grouping admin-control grouping ietf-spf-delay { description "Grouping for IETF SPF delay configuration and state."; reference "RFC 8405: Shortest Path First (SPF) Back-Off Delay Algorithm for Link-State IGPs"; leaf initial-delay { type rt-types:timer-value-milliseconds; units "msec"; default "50"; description "Delay used while in the QUIET state (milliseconds)."; } leaf short-delay { type rt-types:timer-value-milliseconds; units "msec"; default "200"; description "Delay used while in the SHORT_WAIT state (milliseconds)."; } leaf long-delay { type rt-types:timer-value-milliseconds; units "msec"; default "5000"; description "Delay used while in the LONG_WAIT state (milliseconds)."; } leaf hold-down { type rt-types:timer-value-milliseconds; units "msec"; default "10000"; description "This timer value defines the period without any changes for the IGP to be considered stable (in milliseconds)."; } leaf time-to-learn { type rt-types:timer-value-milliseconds; units "msec"; default "500"; description "Duration used to learn all the IGP events related to a single network event (milliseconds)."; } leaf current-state { type enumeration { enum "quiet" { value 0; description "QUIET state."; } enum "short-wait" { value 1; description "SHORT_WAIT state."; } enum "long-wait" { value 2; description "LONG_WAIT state."; } } config false; description "Current SPF Back-Off algorithm state."; } leaf remaining-time-to-learn { type rt-types:timer-value-milliseconds; units "msec"; config false; description "Remaining time until the time-to-learn timer fires."; } leaf remaining-hold-down { type rt-types:timer-value-milliseconds; units "msec"; config false; description "Remaining time until the hold-down timer fires."; } leaf last-event-received { type yang:timestamp; config false; description "Time of the last IGP event received."; } leaf next-spf-time { type yang:timestamp; config false; description "Time when the next SPF has been scheduled."; } leaf last-spf-time { type yang:timestamp; config false; description "Time of the last SPF computation."; } } // grouping ietf-spf-delay grouping node-tag-config { description "IS-IS node tag configuration state."; container node-tags { if-feature node-tag; description "Container for node administrative tags."; list node-tag { key "tag"; description "List of tags."; leaf tag { type uint32; description "Node tag value."; } } // list node-tag } // container node-tags } // grouping node-tag-config grouping authentication-global-cfg { description "Grouping for global authentication configuration."; choice authentication-type { description "Choice of authentication."; case key-chain { if-feature key-chain; leaf key-chain { type key-chain:key-chain-ref; description "Reference to a key chain."; } } // case key-chain case password { leaf key { type string; description "This leaf specifies the authentication key. The length of the key may be dependent on the cryptographic algorithm."; } leaf crypto-algorithm { type identityref { base key-chain:crypto-algorithm; } description "Cryptographic algorithm associated with a key."; } } // case password } // choice authentication-type } // grouping authentication-global-cfg grouping metric-type-global-cfg { description "Grouping for global metric style configuration."; leaf value { type enumeration { enum "wide-only" { value 0; description "Advertises the new metric style only (RFC 5305)."; reference "RFC 5305: IS-IS Extensions for Traffic Engineering"; } enum "old-only" { value 1; description "Advertises the old metric style only (RFC 1195)."; reference "RFC 1195: Use of OSI IS-IS for routing in TCP/IP and dual environments"; } enum "both" { value 2; description "Advertises both metric styles."; } } description "Type of metric to be generated: - 'wide-only' means that only a new metric style is generated. - 'old-only' means that only an old metric style is generated. - 'both' means that both are advertised. This leaf only affects IPv4 metrics."; } } // grouping metric-type-global-cfg grouping metric-type-global-cfg-with-default { description "Grouping for global metric style configuration."; leaf value { type enumeration { enum "wide-only" { value 0; description "Advertises the new metric style only (RFC 5305)."; reference "RFC 5305: IS-IS Extensions for Traffic Engineering"; } enum "old-only" { value 1; description "Advertises the old metric style only (RFC 1195)."; reference "RFC 1195: Use of OSI IS-IS for routing in TCP/IP and dual environments"; } enum "both" { value 2; description "Advertises both metric styles."; } } default "wide-only"; description "Type of metric to be generated: - 'wide-only' means that only a new metric style is generated. - 'old-only' means that only an old metric style is generated. - 'both' means that both are advertised. This leaf only affects IPv4 metrics."; } } // grouping metric-type-global-cfg-with-default grouping default-metric-global-cfg { description "Global default metric configuration grouping."; leaf value { type wide-metric; description "Value of the metric."; } } // grouping default-metric-global-cfg grouping default-metric-global-cfg-with-default { description "Global default metric configuration grouping."; leaf value { type wide-metric; default "10"; description "Value of the metric."; } } // grouping default-metric-global-cfg-with-default grouping overload-global-cfg { description "Grouping for overload bit configuration."; leaf status { type boolean; default "false"; description "This leaf specifies the overload status."; } } // grouping overload-global-cfg grouping overload-max-metric-global-cfg { description "Overload maximum metric configuration grouping."; leaf timeout { type rt-types:timer-value-seconds16; units "seconds"; description "Timeout (in seconds) of the overload condition."; } } // grouping overload-max-metric-global-cfg grouping route-preference-global-cfg { description "Global route preference grouping."; choice granularity { description "Choice for implementation of route preference."; case detail { leaf internal { type uint8; description "Protocol preference for internal routes."; } leaf external { type uint8; description "Protocol preference for external routes."; } } // case detail leaf default { type uint8; description "Protocol preference for all IS-IS routes."; } } // choice granularity } // grouping route-preference-global-cfg grouping hello-authentication-cfg { description "Grouping for Hello authentication."; choice authentication-type { description "Choice of authentication."; case key-chain { if-feature key-chain; leaf key-chain { type key-chain:key-chain-ref; description "Reference to a key chain."; } } // case key-chain case password { leaf key { type string; description "Authentication key specification. The length of the key may be dependent on the cryptographic algorithm."; } leaf crypto-algorithm { type identityref { base key-chain:crypto-algorithm; } description "Cryptographic algorithm associated with a key."; } } // case password } // choice authentication-type } // grouping hello-authentication-cfg grouping hello-interval-cfg { description "Interval between Hello messages."; leaf value { type rt-types:timer-value-seconds16; units "seconds"; description "Interval (in seconds) between successive Hello messages."; } } // grouping hello-interval-cfg grouping hello-interval-cfg-with-default { description "Interval between Hello messages."; leaf value { type rt-types:timer-value-seconds16; units "seconds"; default "10"; description "Interval (in seconds) between successive Hello messages."; } } // grouping hello-interval-cfg-with-default grouping hello-multiplier-cfg { description "Grouping for the number of missed Hello messages prior to declaring the adjacency down."; leaf value { type uint16; description "Number of missed Hello messages prior to declaring the adjacency down."; } } // grouping hello-multiplier-cfg grouping hello-multiplier-cfg-with-default { description "Grouping for the number of missed Hello messages prior to declaring the adjacency down."; leaf value { type uint16; default "3"; description "Number of missed Hello messages prior to declaring the adjacency down."; } } // grouping hello-multiplier-cfg-with-default grouping priority-cfg { description "Interface DIS election priority grouping."; leaf value { type uint8 { range "0 .. 127"; } description "Priority of the interface for DIS election."; } } // grouping priority-cfg grouping priority-cfg-with-default { description "Interface DIS election priority grouping."; leaf value { type uint8 { range "0 .. 127"; } default "64"; description "Priority of the interface for DIS election."; } } // grouping priority-cfg-with-default grouping metric-cfg { description "Interface metric grouping."; leaf value { type wide-metric; description "Metric value."; } } // grouping metric-cfg grouping metric-cfg-with-default { description "Interface metric grouping."; leaf value { type wide-metric; default "10"; description "Metric value."; } } // grouping metric-cfg-with-default grouping metric-parameters { description "Grouping for global metric parameters."; container metric-type { description "Metric style global configuration."; uses metric-type-global-cfg-with-default; container level-1 { description "Configuration specific to level 1."; uses metric-type-global-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses metric-type-global-cfg; } // container level-2 } // container metric-type container default-metric { description "Default metric global configuration."; uses default-metric-global-cfg-with-default; container level-1 { description "Configuration specific to level 1."; uses default-metric-global-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses default-metric-global-cfg; } // container level-2 } // container default-metric container auto-cost { if-feature auto-cost; description "Interface auto-cost configuration state."; leaf enabled { type boolean; description "Enables or disables interface auto-cost."; } leaf reference-bandwidth { when "../enabled = 'true'" { description "Only when auto-cost is enabled."; } type uint32 { range "1..4294967"; } units "Mbits"; description "Configures the reference bandwidth used to automatically determine the interface cost (Mbits). The cost is the reference bandwidth divided by the interface speed, with 1 being the minimum cost."; } } // container auto-cost } // grouping metric-parameters grouping high-availability-parameters { description "Grouping for high-availability parameters."; container graceful-restart { if-feature graceful-restart; description "Configuration of graceful restart."; leaf enabled { type boolean; default "false"; description "Enables graceful restart."; } leaf restart-interval { type rt-types:timer-value-seconds16; units "seconds"; description "Interval (in seconds) to attempt graceful restart prior to failure."; } leaf helper-enabled { type boolean; default "true"; description "Enables a local IS-IS router as a graceful restart helper."; } } // container graceful-restart container nsr { if-feature nsr; description "Non-Stop Routing (NSR) configuration."; leaf enabled { type boolean; default "false"; description "Enables or disables NSR."; } } // container nsr } // grouping high-availability-parameters grouping authentication-parameters { description "Grouping for authentication parameters."; container authentication { description "Authentication global configuration for both LSPs and Sequence Number PDUs (SNPs)."; uses authentication-global-cfg; container level-1 { description "Configuration specific to level 1."; uses authentication-global-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses authentication-global-cfg; } // container level-2 } // container authentication } // grouping authentication-parameters grouping address-family-parameters { description "Grouping for address family parameters."; container address-families { if-feature nlpid-control; description "Address family configuration."; list address-family-list { key "address-family"; description "List of address families and whether or not they are activated."; leaf address-family { type iana-rt-types:address-family; description "Address family."; } leaf enabled { type boolean; description "Activates the address family."; } } // list address-family-list } // container address-families } // grouping address-family-parameters grouping mpls-parameters { description "Grouping for MPLS global parameters."; container mpls { description "MPLS configuration."; container te-rid { if-feature te-rid; description "Stable IS-IS router IP address used for Traffic Engineering."; leaf ipv4-router-id { type inet:ipv4-address; description "Router ID value that would be used in TLV 134."; } leaf ipv6-router-id { type inet:ipv6-address; description "Router ID value that would be used in TLV 140."; } } // container te-rid container ldp { description "LDP configuration."; container igp-sync { if-feature ldp-igp-sync; description "This container may be augmented with global parameters for LDP IGP synchronization."; } // container igp-sync } // container ldp } // container mpls } // grouping mpls-parameters grouping lsp-parameters { description "Grouping for LSP global parameters."; leaf lsp-mtu { type uint16; units "bytes"; default "1492"; description "Maximum size of an LSP PDU in bytes."; } leaf lsp-lifetime { type uint16 { range "1..65535"; } units "seconds"; description "Lifetime of the router's LSPs in seconds."; } leaf lsp-refresh { if-feature lsp-refresh; type rt-types:timer-value-seconds16; units "seconds"; description "Refresh interval of the router's LSPs in seconds."; } leaf poi-tlv { if-feature poi-tlv; type boolean; default "false"; description "Enables the advertisement of the IS-IS Purge Originator Identification TLV."; } } // grouping lsp-parameters grouping spf-parameters { description "Grouping for SPF global parameters."; container spf-control { description "SPF calculation control."; leaf paths { if-feature max-ecmp; type uint16 { range "1..65535"; } description "Maximum number of Equal-Cost Multi-Path (ECMP) paths."; } container ietf-spf-delay { if-feature ietf-spf-delay; description "IETF SPF delay algorithm configuration."; uses ietf-spf-delay; } // container ietf-spf-delay } // container spf-control } // grouping spf-parameters grouping instance-config { description "IS-IS global configuration grouping."; uses admin-control; leaf level-type { type level; default "level-all"; description "Level of an IS-IS node. Can be 'level-1', 'level-2', or 'level-all'."; } leaf system-id { type system-id; description "System ID of the node."; } leaf maximum-area-addresses { if-feature maximum-area-addresses; type uint8; default "3"; description "Maximum areas supported."; } leaf-list area-address { type area-address; description "List of areas supported by the protocol instance."; } uses lsp-parameters; uses high-availability-parameters; uses node-tag-config; uses metric-parameters; uses authentication-parameters; uses address-family-parameters; uses mpls-parameters; uses spf-parameters; uses instance-fast-reroute-config; container preference { description "Router preference configuration for IS-IS protocol instance route installation."; uses route-preference-global-cfg; } // container preference container overload { description "Router protocol instance overload state configuration."; uses overload-global-cfg; } // container overload container overload-max-metric { if-feature overload-max-metric; description "Router protocol instance overload maximum metric advertisement configuration."; uses overload-max-metric-global-cfg; } // container overload-max-metric } // grouping instance-config grouping instance-state { description "IS-IS instance operational state."; uses spf-log; uses lsp-log; uses hostname-db; uses lsdb; uses local-rib; uses system-counters; uses instance-fast-reroute-state; leaf discontinuity-time { type yang:date-and-time; description "The time of the most recent occasion at which any one or more of this IS-IS instance's counters suffered a discontinuity. If no such discontinuities have occurred since the IS-IS instance was last reinitialized, then this node contains the time the IS-IS instance was reinitialized, which normally occurs when it was created."; } } // grouping instance-state grouping multi-topology-config { description "Per-topology configuration."; container default-metric { description "Default metric per-topology configuration."; uses default-metric-global-cfg; container level-1 { description "Configuration specific to level 1."; uses default-metric-global-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses default-metric-global-cfg; } // container level-2 } // container default-metric uses node-tag-config; } // grouping multi-topology-config grouping interface-config { description "Interface configuration grouping."; uses admin-control; leaf level-type { type level; default "level-all"; description "IS-IS level of the interface."; } leaf lsp-pacing-interval { type rt-types:timer-value-milliseconds; units "milliseconds"; default "33"; description "Interval (in milliseconds) between LSP transmissions."; } leaf lsp-retransmit-interval { type rt-types:timer-value-seconds16; units "seconds"; description "Interval (in seconds) between LSP retransmissions."; } leaf passive { type boolean; default "false"; description "Indicates whether the interface is in passive mode (IS-IS is not running, but the network is advertised)."; } leaf csnp-interval { type rt-types:timer-value-seconds16; units "seconds"; default "10"; description "Interval (in seconds) between Complete Sequence Number Packet (CSNP) messages."; } container hello-padding { description "IS-IS Hello padding configuration."; leaf enabled { type boolean; default "true"; description "IS-IS Hello padding activation. Enabled by default."; } } // container hello-padding leaf mesh-group-enabled { type mesh-group-state; description "IS-IS interface mesh group state."; } leaf mesh-group { when "../mesh-group-enabled = 'mesh-set'" { description "Only valid when 'mesh-group-enabled' equals 'mesh-set'."; } type uint8; description "IS-IS interface mesh group ID."; } leaf interface-type { type interface-type; default "broadcast"; description "Type of adjacency to be established for the interface. This dictates the type of Hello messages that are used."; } leaf-list tag { if-feature prefix-tag; type uint32; description "List of tags associated with the interface."; } leaf-list tag64 { if-feature prefix-tag64; type uint64; description "List of 64-bit tags associated with the interface."; } leaf node-flag { if-feature node-flag; type boolean; default "false"; description "Sets the prefix as a node representative prefix."; } container hello-authentication { description "Authentication type to be used in Hello messages."; uses hello-authentication-cfg; container level-1 { description "Configuration specific to level 1."; uses hello-authentication-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses hello-authentication-cfg; } // container level-2 } // container hello-authentication container hello-interval { description "Interval between Hello messages."; uses hello-interval-cfg-with-default; container level-1 { description "Configuration specific to level 1."; uses hello-interval-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses hello-interval-cfg; } // container level-2 } // container hello-interval container hello-multiplier { description "Hello multiplier configuration."; uses hello-multiplier-cfg-with-default; container level-1 { description "Configuration specific to level 1."; uses hello-multiplier-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses hello-multiplier-cfg; } // container level-2 } // container hello-multiplier container priority { must "../interface-type = "broadcast"" { error-message "Priority only applies to broadcast interfaces."; description "Checks for a broadcast interface."; } description "Priority for DIS election."; uses priority-cfg-with-default; container level-1 { description "Configuration specific to level 1."; uses priority-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses priority-cfg; } // container level-2 } // container priority container metric { description "Metric configuration."; uses metric-cfg-with-default; container level-1 { description "Configuration specific to level 1."; uses metric-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses metric-cfg; } // container level-2 } // container metric container bfd { if-feature bfd; description "BFD interface configuration."; reference "RFC 5880: Bidirectional Forwarding Detection (BFD) RFC 5881: Bidirectional Forwarding Detection (BFD) for IPv4 and IPv6 (Single Hop) RFC 9314: YANG Data Model for Bidirectional Forwarding Detection (BFD)"; uses bfd-types:client-cfg-parms; } // container bfd container address-families { if-feature nlpid-control; description "Interface address families."; list address-family-list { key "address-family"; description "List of address families."; leaf address-family { type iana-rt-types:address-family; description "Address family."; } } // list address-family-list } // container address-families container mpls { description "MPLS configuration for IS-IS interfaces."; container ldp { description "Configuration related to LDP."; leaf igp-sync { if-feature ldp-igp-sync; type boolean; default "false"; description "Enables IGP/LDP synchronization."; } } // container ldp } // container mpls uses interface-fast-reroute-config; } // grouping interface-config grouping multi-topology-interface-config { description "IS-IS interface topology configuration."; container metric { description "Metric IS-IS interface configuration."; uses metric-cfg; container level-1 { description "Configuration specific to level 1."; uses metric-cfg; } // container level-1 container level-2 { description "Configuration specific to level 2."; uses metric-cfg; } // container level-2 } // container metric } // grouping multi-topology-interface-config grouping interface-state { description "IS-IS interface operational state."; uses adjacency-state; uses event-counters; uses packet-counters; leaf discontinuity-time { type yang:date-and-time; description "The time of the most recent occasion at which any one or more of this IS-IS interface's counters suffered a discontinuity. If no such discontinuities have occurred since the IS-IS interface was last reinitialized, then this node contains the time the IS-IS interface was reinitialized, which normally occurs when it was created."; } } // grouping interface-state grouping hostname-db { description "Grouping for hostname-to-system-ID mapping database."; container hostnames { config false; description "Hostname-to-system-ID mapping database."; list hostname { key "system-id"; description "List of system ID / hostname associations."; leaf system-id { type system-id; description "System ID associated with the hostname."; } leaf hostname { type string { length "1..255"; } description "Hostname associated with the system ID as defined in RFC 5301."; reference "RFC 5301: Dynamic Hostname Exchange Mechanism for IS-IS"; } } // list hostname } // container hostnames } // grouping hostname-db grouping system-counters { description "Grouping for IS-IS system counters."; container system-counters { config false; description "List of counters for the IS-IS protocol instance."; list level { key "level"; description "List of supported levels."; leaf level { type level-number; description "IS-IS level."; } leaf corrupted-lsps { type uint32; description "Number of corrupted in-memory LSPs detected. LSPs received from the wire with a bad checksum are silently dropped and not counted. LSPs received from the wire with parse errors are counted by 'lsp-errors'."; } leaf authentication-type-fails { type uint32; description "Number of authentication type mismatches."; } leaf authentication-fails { type uint32; description "Number of authentication key failures."; } leaf database-overload { type uint32; description "Number of times the database has become overloaded."; } leaf own-lsp-purge { type uint32; description "Number of times a zero-aged copy of the system's own LSP is received from some other IS-IS node."; } leaf manual-address-drop-from-area { type uint32; description "Number of times a manual address has been dropped from the area."; } leaf max-sequence { type uint32; description "Number of times the system has attempted to exceed the maximum sequence number."; } leaf sequence-number-skipped { type uint32; description "Number of times a sequence number skip has occurred."; } leaf id-len-mismatch { type uint32; description "Number of times a PDU is received with a different value for the ID field length than that of the receiving system."; } leaf partition-changes { type uint32; description "Number of partition changes detected."; } leaf lsp-errors { type uint32; description "Number of LSPs received with errors."; } leaf spf-runs { type uint32; description "Number of times SPF was run at this level."; } } // list level } // container system-counters } // grouping system-counters grouping event-counters { description "Grouping for IS-IS interface event counters."; container event-counters { config false; description "IS-IS interface event counters."; leaf adjacency-changes { type uint32; description "The number of times an adjacency state change has occurred on this interface."; } leaf adjacency-number { type uint32; description "The number of adjacencies on this interface."; } leaf init-fails { type uint32; description "The number of times initialization of this interface has failed. This counts events such as Point-to-Point Protocol (PPP) Network Control Protocol (NCP) failures. Failures to form an adjacency are counted by 'adjacency-rejects'."; } leaf adjacency-rejects { type uint32; description "The number of times an adjacency has been rejected on this interface."; } leaf id-len-mismatch { type uint32; description "The number of times an IS-IS PDU with an ID field length different from that for this system has been received on this interface."; } leaf max-area-addresses-mismatch { type uint32; description "The number of times an IS-IS PDU has been received on this interface with the max area address field differing from that of this system."; } leaf authentication-type-fails { type uint32; description "Number of authentication type mismatches."; } leaf authentication-fails { type uint32; description "Number of authentication key failures."; } leaf lan-dis-changes { type uint32; description "The number of times the DIS has changed on this interface at this level. If the interface type is 'point-to-point', the count is zero."; } } // container event-counters } // grouping event-counters grouping packet-counters { description "Grouping for packet counters per IS-IS level."; container packet-counters { config false; description "Packet counters per IS-IS level."; list level { key "level"; description "List of packet counters for supported levels."; leaf level { type level-number; description "IS-IS level."; } container iih { description "Number of IIH PDUs received/sent."; leaf in { type uint32; description "Received IS-IS Hello (IIH) PDUs."; } leaf out { type uint32; description "Sent IIH PDUs."; } } // container iih container ish { description "ISH PDUs received/sent."; leaf in { type uint32; description "Received Intermediate System Hello (ISH) PDUs."; } leaf out { type uint32; description "Sent ISH PDUs."; } } // container ish container esh { description "Number of ESH PDUs received/sent."; leaf in { type uint32; description "Received End System Hello (ESH) PDUs."; } leaf out { type uint32; description "Sent ESH PDUs."; } } // container esh container lsp { description "Number of LSP PDUs received/sent."; leaf in { type uint32; description "Received Link State PDU (LSP) PDUs."; } leaf out { type uint32; description "Sent LSP PDUs."; } } // container lsp container psnp { description "Number of PSNP PDUs received/sent."; leaf in { type uint32; description "Received Partial Sequence Number PDU (PSNP) PDUs."; } leaf out { type uint32; description "Sent PSNP PDUs."; } } // container psnp container csnp { description "Number of CSNP PDUs received/sent."; leaf in { type uint32; description "Received Complete Sequence Number PDU (CSNP) PDUs."; } leaf out { type uint32; description "Sent CSNP PDUs."; } } // container csnp container unknown { description "Number of unknown PDUs received."; leaf in { type uint32; description "Received unknown PDUs."; } } // container unknown } // list level } // container packet-counters } // grouping packet-counters grouping spf-log { description "Grouping for SPF log events."; container spf-log { config false; description "This container lists the SPF computation events."; list event { key "id"; description "List of computation events. Implemented as a wrapping buffer."; leaf id { type yang:counter32; description "Event identifier. A purely internal value. The most recent events are expected to have a bigger ID number."; } leaf spf-type { type enumeration { enum "full" { value 0; description "Full SPF computation."; } enum "route-only" { value 1; description "SPF computation of route reachability only."; } } description "Type of SPF computation performed."; } leaf level { type level-number; description "IS-IS level number for the SPF computation."; } leaf schedule-timestamp { type yang:timestamp; description "Timestamp of when the SPF computation was scheduled."; } leaf start-timestamp { type yang:timestamp; description "Timestamp of when the SPF computation started."; } leaf end-timestamp { type yang:timestamp; description "Timestamp of when the SPF computation ended."; } list trigger-lsp { key "lsp"; description "This list includes the LSPs that triggered the SPF computation."; leaf lsp { type lsp-id; description "LSP ID of the LSP that triggered the SPF computation."; } leaf sequence { type uint32; description "Sequence number of the LSP that triggered the SPF computation."; } } // list trigger-lsp } // list event } // container spf-log } // grouping spf-log grouping lsp-log { description "Grouping for the LSP log."; container lsp-log { config false; description "This container lists the LSP log. Local LSP modifications are also included in the list."; list event { key "id"; description "List of LSP events. Implemented as a wrapping buffer."; leaf id { type yang:counter32; description "Event identifier. A purely internal value. The most recent events are expected to have a bigger ID number."; } leaf level { type level-number; description "IS-IS level number for the LSP."; } container lsp { description "LSP identification container for either the received LSP or the locally generated LSP."; leaf lsp { type lsp-id; description "LSP ID of the LSP."; } leaf sequence { type uint32; description "Sequence number of the LSP."; } } // container lsp leaf received-timestamp { type yang:timestamp; description "This is the timestamp when the LSP was received. In the case of a local LSP update, the timestamp refers to the LSP origination time."; } leaf reason { type identityref { base lsp-log-reason; } description "Type of LSP change."; } } // list event } // container lsp-log } // grouping lsp-log grouping tlv { description "Type-Length-Value (TLV)."; leaf type { type uint16; description "TLV type."; } leaf length { type uint16; description "TLV length (octets)."; } leaf value { type yang:hex-string; description "TLV value."; } } // grouping tlv grouping unknown-tlvs { description "Unknown TLVs grouping. Used for unknown TLVs or unknown sub-TLVs."; container unknown-tlvs { description "All unknown TLVs."; list unknown-tlv { description "Unknown TLV."; uses tlv; } // list unknown-tlv } // container unknown-tlvs } // grouping unknown-tlvs grouping prefix-reachability-attributes { description "Grouping for extended reachability attributes of an IPv4 or IPv6 prefix."; leaf external-prefix-flag { type boolean; description "External prefix flag."; } leaf readvertisement-flag { type boolean; description "Re-advertisement flag."; } leaf node-flag { type boolean; description "Node flag."; } } // grouping prefix-reachability-attributes grouping prefix-ipv4-source-router-id { description "Grouping for the IPv4 source router ID of a prefix advertisement."; leaf ipv4-source-router-id { type inet:ipv4-address; description "IPv4 source router ID address."; } } // grouping prefix-ipv4-source-router-id grouping prefix-ipv6-source-router-id { description "Grouping for the IPv6 source router ID of a prefix advertisement."; leaf ipv6-source-router-id { type inet:ipv6-address; description "IPv6 source router ID address."; } } // grouping prefix-ipv6-source-router-id grouping prefix-attributes-extension { description "Prefix extended attributes as defined in RFC 7794."; reference "RFC 7794: IS-IS Prefix Attributes for Extended IPv4 and IPv6 Reachability"; uses prefix-reachability-attributes; uses prefix-ipv4-source-router-id; uses prefix-ipv6-source-router-id; } // grouping prefix-attributes-extension grouping prefix-ipv4-std { description "Grouping for attributes of an IPv4 standard prefix as defined in RFC 1195."; reference "RFC 1195: Use of OSI IS-IS for routing in TCP/IP and dual environments"; leaf ip-prefix { type inet:ipv4-address; description "IPv4 prefix address."; } leaf prefix-len { type uint8; description "IPv4 prefix length (in bits)."; } leaf i-e { type boolean; description "Internal or external (I/E) metric bit value. Set to 'false' to indicate an internal metric."; } container default-metric { description "IS-IS default metric container."; leaf metric { type std-metric; description "Default IS-IS metric for the IPv4 prefix."; } } // container default-metric container delay-metric { description "IS-IS delay metric container."; leaf metric { type std-metric; description "IS-IS delay metric for the IPv4 prefix."; } leaf supported { type boolean; default "false"; description "Indicates whether the IS-IS delay metric is supported."; } } // container delay-metric container expense-metric { description "IS-IS expense metric container."; leaf metric { type std-metric; description "IS-IS expense metric for the IPv4 prefix."; } leaf supported { type boolean; default "false"; description "Indicates whether the IS-IS expense metric is supported."; } } // container expense-metric container error-metric { description "IS-IS error metric container."; leaf metric { type std-metric; description "This leaf describes the IS-IS error metric value."; } leaf supported { type boolean; default "false"; description "Indicates whether the IS-IS error metric is supported."; } } // container error-metric } // grouping prefix-ipv4-std grouping prefix-ipv4-extended { description "Grouping for attributes of an IPv4 extended prefix as defined in RFC 5305."; reference "RFC 5305: IS-IS Extensions for Traffic Engineering"; leaf up-down { type boolean; description "Value of the up/down bit. Set to 'true' when the prefix has been advertised down the hierarchy."; } leaf ip-prefix { type inet:ipv4-address; description "IPv4 prefix address."; } leaf prefix-len { type uint8; description "IPv4 prefix length (in bits)."; } leaf metric { type wide-metric; description "IS-IS wide metric value."; } leaf-list tag { type uint32; description "List of 32-bit tags associated with the IPv4 prefix."; } leaf-list tag64 { type uint64; description "List of 64-bit tags associated with the IPv4 prefix."; } uses prefix-attributes-extension; } // grouping prefix-ipv4-extended grouping prefix-ipv6-extended { description "Grouping for attributes of an IPv6 prefix as defined in RFC 5308."; reference "RFC 5308: Routing IPv6 with IS-IS"; leaf up-down { type boolean; description "Value of the up/down bit. Set to 'true' when the prefix has been advertised down the hierarchy."; } leaf ip-prefix { type inet:ipv6-address; description "IPv6 prefix address."; } leaf prefix-len { type uint8; description "IPv6 prefix length (in bits)."; } leaf metric { type wide-metric; description "IS-IS wide metric value."; } leaf-list tag { type uint32; description "List of 32-bit tags associated with the IPv6 prefix."; } leaf-list tag64 { type uint64; description "List of 64-bit tags associated with the IPv6 prefix."; } uses prefix-attributes-extension; } // grouping prefix-ipv6-extended grouping neighbor-link-attributes { description "Grouping for link attributes as defined in RFC 5029."; reference "RFC 5029: Definition of an IS-IS Link Attribute Sub-TLV"; leaf link-attributes-flags { type uint16; description "Flags for the link attributes."; } } // grouping neighbor-link-attributes grouping neighbor-gmpls-extensions { description "Grouping for GMPLS attributes of a neighbor as defined in RFC 5307."; reference "RFC 5307: IS-IS Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)"; leaf link-local-id { type uint32; description "Local identifier of the link."; } leaf remote-local-id { type uint32; description "Remote identifier of the link."; } leaf protection-capability { type uint8; description "Describes the protection capabilities of the link. This is the value of the first octet of the sub-TLV type 20 value."; } container interface-switching-capability { description "Interface switching capabilities of the link."; leaf switching-capability { type uint8; description "Switching capability of the link."; } leaf encoding { type uint8; description "Type of encoding of the LSP being used."; } container max-lsp-bandwidths { description "Per-priority maximum LSP bandwidths."; list max-lsp-bandwidth { description "List of maximum LSP bandwidths for different priorities."; leaf priority { type uint8 { range "0 .. 7"; } description "Priority from 0 to 7."; } leaf bandwidth { type rt-types:bandwidth-ieee-float32; description "Maximum LSP bandwidth."; } } // list max-lsp-bandwidth } // container max-lsp-bandwidths container tdm-specific { when "../switching-capability = 100"; description "Switching-capability-specific information applicable when the switching type is Time-Division Multiplexing (TDM)."; leaf minimum-lsp-bandwidth { type rt-types:bandwidth-ieee-float32; description "Minimum LSP bandwidth."; } leaf indication { type uint8; description "Indicates whether the interface supports Standard or Arbitrary SONET/SDH (Synchronous Optical Network / Synchronous Digital Hierarchy)."; } } // container tdm-specific container psc-specific { when "../switching-capability >= 1 and ../switching-capability <= 4"; description "Switching-capability-specific information applicable when the switching type is PSC1, PSC2, PSC3, or PSC4 ('PSC' stands for 'Packet Switching Capability')."; leaf minimum-lsp-bandwidth { type rt-types:bandwidth-ieee-float32; description "Minimum LSP bandwidth."; } leaf mtu { type uint16; units "bytes"; description "Interface MTU."; } } // container psc-specific } // container interface-switching-capability } // grouping neighbor-gmpls-extensions grouping neighbor-extended-te-extensions { description "Grouping for TE attributes of a neighbor as defined in RFC 8570."; reference "RFC 8570: IS-IS Traffic Engineering (TE) Metric Extensions"; container unidirectional-link-delay { description "Container for the average delay from the local neighbor to the remote neighbor."; container flags { description "Unidirectional Link Delay sub-TLV flags."; leaf-list unidirectional-link-delay-subtlv-flags { type identityref { base unidirectional-link-delay-subtlv-flag; } description "This list contains identities for the bits that are set."; } } // container flags leaf value { type uint32; units "usec"; description "Delay value expressed in microseconds."; } } // container unidirectional-link-delay container min-max-unidirectional-link-delay { description "Container for the minimum and maximum delay from the local neighbor to the remote neighbor."; container flags { description "Min/Max Unidirectional Link Delay sub-TLV flags."; leaf-list min-max-unidirectional-link-delay-subtlv-flags { type identityref { base min-max-unidirectional-link-delay-subtlv-flag; } description "This list contains identities for the bits that are set."; } } // container flags leaf min-value { type uint32; units "usec"; description "Minimum delay value expressed in microseconds."; } leaf max-value { type uint32; units "usec"; description "Maximum delay value expressed in microseconds."; } } // container min-max-unidirectional-link-delay container unidirectional-link-delay-variation { description "Container for the average delay variation from the local neighbor to the remote neighbor."; leaf value { type uint32; units "usec"; description "Delay variation value expressed in microseconds."; } } // container unidirectional-link-delay-variation container unidirectional-link-loss { description "Container for packet loss from the local neighbor to the remote neighbor."; container flags { description "Unidirectional Link Loss sub-TLV flags."; leaf-list unidirectional-link-loss-subtlv-flags { type identityref { base unidirectional-link-loss-subtlv-flag; } description "This list contains identities for the bits that are set."; } } // container flags leaf value { type uint32; units "percent"; description "Link packet loss expressed as a percentage of the total traffic sent over a configurable interval."; } } // container unidirectional-link-loss container unidirectional-link-residual-bandwidth { description "Container for the residual bandwidth from the local neighbor to the remote neighbor."; leaf value { type rt-types:bandwidth-ieee-float32; units "Bps"; description "Residual bandwidth."; } } // container unidirectional-link-residual-bandwidth container unidirectional-link-available-bandwidth { description "Container for the available bandwidth from the local neighbor to the remote neighbor."; leaf value { type rt-types:bandwidth-ieee-float32; units "Bps"; description "Available bandwidth."; } } // container unidirectional-link-available-bandwidth container unidirectional-link-utilized-bandwidth { description "Container for the utilized bandwidth from the local neighbor to the remote neighbor."; leaf value { type rt-types:bandwidth-ieee-float32; units "Bps"; description "Utilized bandwidth."; } } // container unidirectional-link-utilized-bandwidth } // grouping neighbor-extended-te-extensions grouping neighbor-te-extensions { description "Grouping for TE attributes of a neighbor as defined in RFC 5305."; reference "RFC 5305: IS-IS Extensions for Traffic Engineering"; leaf admin-group { type uint32; description "Administrative Group / Resource Class/Color."; } container local-if-ipv4-addrs { description "All local interface IPv4 addresses."; leaf-list local-if-ipv4-addr { type inet:ipv4-address; description "List of local interface IPv4 addresses."; } } // container local-if-ipv4-addrs container remote-if-ipv4-addrs { description "All remote interface IPv4 addresses."; leaf-list remote-if-ipv4-addr { type inet:ipv4-address; description "List of remote interface IPv4 addresses."; } } // container remote-if-ipv4-addrs leaf te-metric { type uint32; description "TE metric."; } leaf max-bandwidth { type rt-types:bandwidth-ieee-float32; description "Maximum bandwidth."; } leaf max-reservable-bandwidth { type rt-types:bandwidth-ieee-float32; description "Maximum reservable bandwidth."; } container unreserved-bandwidths { description "All unreserved bandwidths."; list unreserved-bandwidth { description "List of unreserved bandwidths for different priorities."; leaf priority { type uint8 { range "0 .. 7"; } description "Priority from 0 to 7."; } leaf unreserved-bandwidth { type rt-types:bandwidth-ieee-float32; description "Unreserved bandwidth."; } } // list unreserved-bandwidth } // container unreserved-bandwidths } // grouping neighbor-te-extensions grouping neighbor-extended { description "Grouping for attributes of an IS-IS extended neighbor."; leaf neighbor-id { type extended-system-id; description "System ID of the extended neighbor."; } container instances { description "List of all adjacencies between the local system and the neighbor system ID."; list instance { key "id"; description "Instance of a particular adjacency."; leaf id { type uint32; description "Unique identifier of an instance of a particular neighbor."; } leaf metric { type wide-metric; description "IS-IS wide metric for the extended neighbor."; } uses neighbor-gmpls-extensions; uses neighbor-te-extensions; uses neighbor-extended-te-extensions; uses neighbor-link-attributes; uses unknown-tlvs; } // list instance } // container instances } // grouping neighbor-extended grouping neighbor { description "IS-IS standard neighbor grouping."; leaf neighbor-id { type extended-system-id; description "IS-IS neighbor system ID."; } container instances { description "List of all adjacencies between the local system and the neighbor system ID."; list instance { key "id"; description "Instance of a particular adjacency as defined in ISO 10589."; reference "ISO 10589: Intermediate System to Intermediate System intra-domain routeing information exchange protocol for use in conjunction with the protocol for providing the connectionless-mode network service (ISO 8473)"; leaf id { type uint32; description "Unique identifier of an instance of a particular neighbor."; } leaf i-e { type boolean; description "Internal or external (I/E) metric bit value. Set to 'false' to indicate an internal metric."; } container default-metric { description "IS-IS default metric container."; leaf metric { type std-metric; description "IS-IS default metric value."; } } // container default-metric container delay-metric { description "IS-IS delay metric container."; leaf metric { type std-metric; description "IS-IS delay metric value."; } leaf supported { type boolean; default "false"; description "IS-IS delay metric supported."; } } // container delay-metric container expense-metric { description "IS-IS expense metric container."; leaf metric { type std-metric; description "IS-IS expense metric value."; } leaf supported { type boolean; default "false"; description "IS-IS expense metric supported."; } } // container expense-metric container error-metric { description "IS-IS error metric container."; leaf metric { type std-metric; description "IS-IS error metric value."; } leaf supported { type boolean; default "false"; description "IS-IS error metric supported."; } } // container error-metric } // list instance } // container instances } // grouping neighbor grouping tlv132-ipv4-addresses { description "Grouping for TLV 132."; leaf-list ipv4-addresses { type inet:ipv4-address; description "List of IPv4 addresses of the IS-IS node. The IS-IS reference is TLV 132."; } } // grouping tlv132-ipv4-addresses grouping tlv232-ipv6-addresses { description "Grouping for TLV 232."; leaf-list ipv6-addresses { type inet:ipv6-address; description "List of IPv6 addresses of the IS-IS node. The IS-IS reference is TLV 232."; } } // grouping tlv232-ipv6-addresses grouping tlv134-ipv4-te-rid { description "Grouping for TLV 134."; leaf ipv4-te-routerid { type inet:ipv4-address; description "IPv4 Traffic Engineering router ID of the IS-IS node. The IS-IS reference is TLV 134."; } } // grouping tlv134-ipv4-te-rid grouping tlv140-ipv6-te-rid { description "Grouping for TLV 140."; leaf ipv6-te-routerid { type inet:ipv6-address; description "IPv6 Traffic Engineering router ID of the IS-IS node. The IS-IS reference is TLV 140."; } } // grouping tlv140-ipv6-te-rid grouping tlv129-protocols { description "Grouping for TLV 129."; leaf-list protocol-supported { type uint8; description "List of supported protocols of the IS-IS node. The IS-IS reference is TLV 129."; } } // grouping tlv129-protocols grouping tlv137-hostname { description "Grouping for TLV 137."; leaf dynamic-hostname { type string; description "Hostname of the IS-IS node. The IS-IS reference is TLV 137."; } } // grouping tlv137-hostname grouping tlv10-authentication { description "Grouping for TLV 10."; container authentication { description "IS-IS node authentication information container. The IS-IS reference is TLV 10."; leaf authentication-type { type identityref { base key-chain:crypto-algorithm; } description "Authentication type to be used with an IS-IS node."; } leaf authentication-key { type string; description "Authentication key to be used. For security reasons, the authentication key MUST NOT be presented in a cleartext format in response to any request (e.g., via get or get-config)."; } } // container authentication } // grouping tlv10-authentication grouping tlv229-mt { description "Grouping for TLV 229."; container mt-entries { description "IS-IS node topology information container. The IS-IS reference is TLV 229."; list topology { description "List of topologies supported."; leaf mt-id { type uint16 { range "0 .. 4095"; } description "Multi-Topology (MT) identifier of the topology."; } container attributes { description "TLV 229 flags."; leaf-list flags { type identityref { base tlv229-flag; } description "This list contains identities for the bits that are set."; } } // container attributes } // list topology } // container mt-entries } // grouping tlv229-mt grouping tlv242-router-capabilities { description "Grouping for TLV 242."; container router-capabilities { description "List of Router Capability TLVs."; list router-capability { description "IS-IS node capabilities. This list element may be extended with detailed information. The IS-IS reference is TLV 242."; container flags { description "Router Capability flags."; leaf-list router-capability-flags { type identityref { base router-capability-flag; } description "This list contains identities for the bits that are set."; } } // container flags container node-tags { if-feature node-tag; description "Container for node administrative tags."; list node-tag { description "List of tags."; leaf tag { type uint32; description "Node tag value."; } } // list node-tag } // container node-tags uses unknown-tlvs; } // list router-capability } // container router-capabilities } // grouping tlv242-router-capabilities grouping tlv138-srlg { description "Grouping for TLV 138."; container links-srlgs { description "List of links with SRLGs."; list links { description "SRLG attribute of a link."; leaf neighbor-id { type extended-system-id; description "System ID of the extended neighbor."; } leaf flags { type uint8; description "Flags associated with the link."; } leaf link-local-id { type union { type inet:ip-address; type uint32; } description "Local identifier of the link. It could be an IPv4 address or a local identifier."; } leaf link-remote-id { type union { type inet:ip-address; type uint32; } description "Remote identifier of the link. It could be an IPv4 address or a remotely learned identifier."; } container srlgs { description "List of SRLGs."; leaf-list srlg { type uint32; description "SRLG value of the link."; } } // container srlgs } // list links } // container links-srlgs } // grouping tlv138-srlg grouping lsp-entry { description "IS-IS LSP database entry grouping."; leaf decoded-completed { type boolean; description "The IS-IS LSP body has been fully decoded."; } leaf raw-data { type yang:hex-string; description "The hexadecimal representation of the complete LSP as received or originated, in network byte order."; } leaf lsp-id { type lsp-id; description "LSP ID of the LSP."; } leaf checksum { type uint16; description "LSP checksum."; } leaf remaining-lifetime { type uint16; units "seconds"; description "Remaining lifetime (in seconds) until LSP expiration."; } leaf sequence { type uint32; description "This leaf describes the sequence number of the LSP."; } container attributes { description "LSP attributes."; leaf-list lsp-flags { type identityref { base lsp-flag; } description "This list contains identities for the bits that are set."; } } // container attributes uses tlv132-ipv4-addresses; uses tlv232-ipv6-addresses; uses tlv134-ipv4-te-rid; uses tlv140-ipv6-te-rid; uses tlv129-protocols; uses tlv137-hostname; uses tlv10-authentication; uses tlv229-mt; uses tlv242-router-capabilities; uses tlv138-srlg; uses unknown-tlvs; container is-neighbor { description "Standard IS neighbors container. The IS-IS reference is TLV 2."; list neighbor { key "neighbor-id"; description "List of neighbors."; uses neighbor; } // list neighbor } // container is-neighbor container extended-is-neighbor { description "Standard IS extended neighbors container. The IS-IS reference is TLV 22."; list neighbor { key "neighbor-id"; description "List of extended IS neighbors."; uses neighbor-extended; } // list neighbor } // container extended-is-neighbor container ipv4-internal-reachability { description "IPv4 internal reachability information container. The IS-IS reference is TLV 128."; list prefixes { description "List of prefixes."; uses prefix-ipv4-std; } // list prefixes } // container ipv4-internal-reachability container ipv4-external-reachability { description "IPv4 external reachability information container. The IS-IS reference is TLV 130."; list prefixes { description "List of prefixes."; uses prefix-ipv4-std; } // list prefixes } // container ipv4-external-reachability container extended-ipv4-reachability { description "IPv4 extended reachability information container. The IS-IS reference is TLV 135."; list prefixes { description "List of prefixes."; uses prefix-ipv4-extended; uses unknown-tlvs; } // list prefixes } // container extended-ipv4-reachability container mt-is-neighbor { description "IS-IS MT neighbor container. The IS-IS reference is TLV 223."; list neighbor { description "List of neighbors."; leaf mt-id { type uint16 { range "0 .. 4095"; } description "Multi-Topology (MT) identifier."; } uses neighbor-extended; } // list neighbor } // container mt-is-neighbor container mt-extended-ipv4-reachability { description "IPv4 MT extended reachability information container. The IS-IS reference is TLV 235."; reference "RFC 5120: M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)"; list prefixes { description "List of extended prefixes."; leaf mt-id { type uint16 { range "0 .. 4095"; } description "MT identifier."; } uses prefix-ipv4-extended; uses unknown-tlvs; } // list prefixes } // container mt-extended-ipv4-reachability container mt-ipv6-reachability { description "IPv6 MT extended reachability information container. The IS-IS reference is TLV 237."; reference "RFC 5120: M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)"; list prefixes { description "List of IPv6 extended prefixes."; leaf mt-id { type uint16 { range "0 .. 4095"; } description "MT identifier."; } uses prefix-ipv6-extended; uses unknown-tlvs; } // list prefixes } // container mt-ipv6-reachability container ipv6-reachability { description "IPv6 reachability information container. The IS-IS reference is TLV 236."; list prefixes { description "List of IPv6 prefixes."; uses prefix-ipv6-extended; uses unknown-tlvs; } // list prefixes } // container ipv6-reachability } // grouping lsp-entry grouping lsdb { description "Link State Database (LSDB) grouping."; container database { config false; description "IS-IS LSDB container."; list levels { key "level"; description "List of LSPs for the LSDB-level container."; leaf level { type level-number; description "LSDB level number (1 or 2)."; } list lsp { key "lsp-id"; description "List of LSPs in the LSDB."; uses lsp-entry; } // list lsp } // list levels } // container database } // grouping lsdb augment /rt:routing/rt:ribs/rt:rib/rt:routes/rt:route { when "derived-from-or-self(rt:source-protocol, 'isis:isis')" { description "IS-IS-specific route attributes."; } description "This augments the route object in the Routing Information Base (RIB) with IS-IS-specific attributes."; uses route-content; } augment /if:interfaces/if:interface { description "ISO-specific interface parameters."; leaf clns-mtu { if-feature osi-interface; type uint16; description "Connectionless-mode Network Service (CLNS) MTU of the interface."; } } augment /rt:routing/rt:control-plane-protocols/rt:control-plane-protocol { when "derived-from-or-self(rt:type, 'isis:isis')" { description "This augmentation is only valid when the routing protocol instance type is 'isis'."; } description "This augments a routing protocol instance with IS-IS-specific parameters."; container isis { must "count(area-address) > 0" { error-message "At least one area address must be configured."; description "Enforces the configuration of at least one area."; } description "IS-IS configuration/state top-level container."; uses instance-config; uses instance-state; container topologies { if-feature multi-topology; description "MT container."; list topology { key "name"; description "List of topologies."; leaf enabled { type boolean; description "Enables the topology configuration."; } leaf name { type leafref { path "../../../../../../rt:ribs/rt:rib/rt:name"; } description "RIB corresponding to the topology."; } uses multi-topology-config; } // list topology } // container topologies container interfaces { description "Configuration container specific to IS-IS interfaces."; list interface { key "name"; description "List of IS-IS interfaces."; leaf name { type if:interface-ref; description "Reference to the interface within the routing instance."; } uses interface-config; uses interface-state; container topologies { if-feature multi-topology; description "MT container."; list topology { key "name"; description "List of interface topologies."; leaf name { type leafref { path "../../../../../../../../rt:ribs/rt:rib/rt:name"; } description "RIB corresponding to the topology."; } uses multi-topology-interface-config; } // list topology } // container topologies } // list interface } // container interfaces } // container isis } rpc clear-adjacency { description "This RPC request clears a particular set of IS-IS adjacencies. If the operation fails for an internal reason, then the 'error-tag' and 'error-app-tag' should be set indicating the reason for the failure."; reference "RFC 6241: Network Configuration Protocol (NETCONF)"; input { leaf routing-protocol-instance-name { type leafref { path "/rt:routing/rt:control-plane-protocols/rt:control-plane-protocol/rt:name"; } mandatory true; description "Name of the IS-IS protocol instance whose IS-IS adjacency is being cleared. If the corresponding IS-IS instance doesn't exist, then the operation will fail with an 'error-tag' of 'data-missing' and an 'error-app-tag' of 'routing-protocol-instance-not-found'."; } leaf level { type level; description "IS-IS level of the adjacency to be cleared. If the IS-IS level is 'level-all', level-1 and level-2 adjacencies would both be cleared. If the value provided is different from the value authorized in the enum type, then the operation SHALL fail with an 'error-tag' of 'data-missing' and an 'error-app-tag' of 'bad-isis-level'."; } leaf interface { type if:interface-ref; description "IS-IS interface name. If the corresponding IS-IS interface doesn't exist, then the operation SHALL fail with an 'error-tag' of 'data-missing' and an 'error-app-tag' of 'isis-interface-not-found'."; } } } // rpc clear-adjacency rpc clear-database { description "This RPC request clears a particular IS-IS database. Additionally, all neighbor adjacencies will be forced to the DOWN state and self-originated LSPs will be reoriginated. If the operation fails for an IS-IS internal reason, then the 'error-tag' and 'error-app-tag' should be set indicating the reason for the failure."; input { leaf routing-protocol-instance-name { type leafref { path "/rt:routing/rt:control-plane-protocols/rt:control-plane-protocol/rt:name"; } mandatory true; description "Name of the IS-IS protocol instance whose IS-IS database or databases are being cleared. If the corresponding IS-IS instance doesn't exist, then the operation will fail with an 'error-tag' of 'data-missing' and an 'error-app-tag' of 'routing-protocol-instance-not-found'."; } leaf level { type level; description "IS-IS level of the adjacency to be cleared. If the IS-IS level is 'level-all', the databases for both level 1 and level 2 would be cleared. If the value provided is different from the value authorized in the enum type, then the operation SHALL fail with an 'error-tag' of 'data-missing' and an 'error-app-tag' of 'bad-isis-level'."; } } } // rpc clear-database notification database-overload { description "This notification is sent when an IS-IS instance overload state changes."; uses notification-instance-hdr; leaf overload { type enumeration { enum "off" { value 0; description "Indicates that the IS-IS instance has left the overload state."; } enum "on" { value 1; description "Indicates that the IS-IS instance has entered the overload state."; } } description "New overload state of the IS-IS instance."; } } // notification database-overload notification lsp-too-large { description "This notification is sent when an attempt to propagate an LSP that is larger than the dataLinkBlockSize (ISO 10589) for the circuit occurs. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; reference "ISO 10589: Intermediate System to Intermediate System intra-domain routeing information exchange protocol for use in conjunction with the protocol for providing the connectionless-mode network service (ISO 8473)"; uses notification-instance-hdr; uses notification-interface-hdr; leaf pdu-size { type uint32; description "Size of the LSP PDU."; } leaf lsp-id { type lsp-id; description "LSP ID."; } } // notification lsp-too-large notification if-state-change { description "This notification is sent when an interface state change is detected."; uses notification-instance-hdr; uses notification-interface-hdr; leaf state { type if-state-type; description "Interface state."; } } // notification if-state-change notification corrupted-lsp-detected { description "This notification is sent when an LSP that was stored in memory has become corrupted."; uses notification-instance-hdr; leaf lsp-id { type lsp-id; description "LSP ID."; } } // notification corrupted-lsp-detected notification attempt-to-exceed-max-sequence { description "This notification is sent when the system wraps the 32-bit sequence counter of an LSP."; uses notification-instance-hdr; leaf lsp-id { type lsp-id; description "LSP ID."; } } // notification attempt-to-exceed-max-sequence notification id-len-mismatch { description "This notification is sent when a PDU with a different value for the system ID length is received. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf pdu-field-len { type uint8; description "Value for the system ID length in the received PDU."; } leaf raw-pdu { type binary; description "Received raw PDU."; } } // notification id-len-mismatch notification max-area-addresses-mismatch { description "This notification is sent when a PDU with a different value for the Maximum Area Addresses has been received. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf max-area-addresses { type uint8; description "Received number of supported areas."; } leaf raw-pdu { type binary; description "Received raw PDU."; } } // notification max-area-addresses-mismatch notification own-lsp-purge { description "This notification is sent when the system receives a PDU with its own system ID and zero age."; uses notification-instance-hdr; uses notification-interface-hdr; leaf lsp-id { type lsp-id; description "LSP ID."; } } // notification own-lsp-purge notification sequence-number-skipped { description "This notification is sent when the system receives a PDU with its own system ID and different contents. The system has to originate the LSP with a higher sequence number."; uses notification-instance-hdr; uses notification-interface-hdr; leaf lsp-id { type lsp-id; description "LSP ID."; } } // notification sequence-number-skipped notification authentication-type-failure { description "This notification is sent when the system receives a PDU with the wrong authentication type field. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf raw-pdu { type binary; description "Received raw PDU."; } } // notification authentication-type-failure notification authentication-failure { description "This notification is sent when the system receives a PDU on which authentication fails. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf raw-pdu { type binary; description "Received raw PDU."; } } // notification authentication-failure notification version-skew { description "This notification is sent when the system receives a PDU with a different protocol version number. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf protocol-version { type uint8; description "Protocol version received in the PDU."; } leaf raw-pdu { type binary; description "Received raw PDU."; } } // notification version-skew notification area-mismatch { description "This notification is sent when the system receives a Hello PDU from an IS that does not share any area address. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf raw-pdu { type binary; description "Received raw PDU."; } } // notification area-mismatch notification rejected-adjacency { description "This notification is sent when the system receives a Hello PDU from an IS but does not establish an adjacency for some reason. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf raw-pdu { type binary; description "Received raw PDU."; } leaf reason { type string { length "0..255"; } description "The system may provide a reason to reject the adjacency. If the reason is not available, the reason string will not be returned. The expected format is a single line of text."; } } // notification rejected-adjacency notification protocols-supported-mismatch { description "This notification is sent when the system receives a non-pseudonode LSP that has no matching protocols supported. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf raw-pdu { type binary; description "Received raw PDU."; } leaf-list protocols { type uint8; description "List of protocols supported by the remote system."; } } // notification protocols-supported-mismatch notification lsp-error-detected { description "This notification is sent when the system receives an LSP with a parse error. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf lsp-id { type lsp-id; description "LSP ID."; } leaf raw-pdu { type binary; description "Received raw PDU."; } leaf error-offset { type uint32; description "If the problem is a malformed TLV, the error offset points to the start of the TLV. If the problem is with the LSP header, the error offset points to the errant byte."; } leaf tlv-type { type uint8; description "If the problem is a malformed TLV, the TLV type is set to the type value of the suspicious TLV. Otherwise, this leaf is not present."; } } // notification lsp-error-detected notification adjacency-state-change { description "This notification is sent when an IS-IS adjacency moves to the 'up' state or the 'down' state."; uses notification-instance-hdr; uses notification-interface-hdr; leaf neighbor { type string { length "1..255"; } description "Name of the neighbor. It corresponds to the hostname associated with the system ID of the neighbor in the mapping database (RFC 5301). If the name of the neighbor is not available, it is not returned."; reference "RFC 5301: Dynamic Hostname Exchange Mechanism for IS-IS"; } leaf neighbor-system-id { type system-id; description "Neighbor system ID."; } leaf state { type adj-state-type; description "New state of the IS-IS adjacency."; } leaf reason { type string { length "1..255"; } description "If the adjacency is going to the 'down' state, this leaf provides a reason for the adjacency going down. The reason is provided as text. If the adjacency is going to the 'up' state, no reason is provided. The expected format is a single line of text."; } } // notification adjacency-state-change notification lsp-received { description "This notification is sent when an LSP is received. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; uses notification-interface-hdr; leaf lsp-id { type lsp-id; description "LSP ID."; } leaf sequence { type uint32; description "Sequence number of the received LSP."; } leaf received-timestamp { type yang:timestamp; description "Timestamp when the LSP was received."; } leaf neighbor-system-id { type system-id; description "Neighbor system ID of the LSP sender."; } } // notification lsp-received notification lsp-generation { description "This notification is sent when an LSP is regenerated. The generation of the notification must be throttled with at least 5 seconds between successive notifications."; uses notification-instance-hdr; leaf lsp-id { type lsp-id; description "LSP ID."; } leaf sequence { type uint32; description "Sequence number of the received LSP."; } leaf send-timestamp { type yang:timestamp; description "Timestamp when the LSP was regenerated."; } } // notification lsp-generation } // module ietf-isis
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