Adding OpenConfig YANG models.
Change-Id: I0a2fdd5826e80933cf4b9ae939ff3051acec02aa
diff --git a/models/openconfig/src/main/yang/isis/openconfig-isis-lsp.yang b/models/openconfig/src/main/yang/isis/openconfig-isis-lsp.yang
new file mode 100644
index 0000000..81c48e6
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+++ b/models/openconfig/src/main/yang/isis/openconfig-isis-lsp.yang
@@ -0,0 +1,3542 @@
+submodule openconfig-isis-lsp {
+
+ belongs-to openconfig-isis {
+ prefix oc-isis;
+ }
+ import openconfig-extensions { prefix "oc-ext"; }
+ import openconfig-inet-types { prefix "inet"; }
+ import openconfig-isis-types { prefix "oc-isis-types"; }
+ import openconfig-isis-lsdb-types { prefix "oc-isis-lsdb-types"; }
+ import openconfig-types { prefix "oc-types"; }
+ import openconfig-mpls-types { prefix "oc-mpls-types"; }
+ // meta
+ organization
+ "OpenConfig working group";
+
+ contact
+ "OpenConfig working group
+ www.openconfig.net ";
+
+ description
+ "This sub-module describes a YANG model for the IS-IS Link State
+ Database (LSDB).
+
+ Portions of this code were derived from IETF RFCs relating to the
+ IS-IS protocol.
+ Please reproduce this note if possible.
+ IETF code is subject to the following copyright and license:
+ Copyright (c) IETF Trust and the persons identified as authors of
+ the code.
+ All rights reserved.
+ Redistribution and use in source and binary forms, with or without
+ modification, is permitted pursuant to, and subject to the license
+ terms contained in, the Simplified BSD License set forth in
+ Section 4.c of the IETF Trust's Legal Provisions Relating
+ to IETF Documents (http://trustee.ietf.org/license-info).";
+
+ oc-ext:openconfig-version "0.3.2";
+
+ revision "2017-07-26" {
+ description
+ "Update LSDB and fix bugs.";
+ reference "0.3.2";
+ }
+
+ revision "2017-05-15" {
+ description
+ "Refactor LSDB.";
+ reference "0.3.0";
+ }
+
+ revision "2017-01-13" {
+ description
+ "Remove top-level /isis container";
+ reference "0.2.1";
+ }
+
+ revision "2016-12-15" {
+ description
+ "Add segment routing to IS-IS module";
+ reference "0.2.0";
+ }
+
+ revision "2016-10-18" {
+ description
+ "Initial revision of IS-IS models.";
+ reference "0.1.0";
+ }
+
+ typedef isis-metric-flags {
+ type enumeration {
+ enum INTERNAL {
+ description
+ "When this flag is not set, internal metrics are in use.";
+ }
+ enum UNSUPPORTED {
+ description
+ "When this flag (referred to as the S-bit) is set, then
+ the metric is unsupported.";
+ }
+ }
+ description
+ "Type definition for flags used in IS-IS metrics";
+ }
+
+ grouping isis-lsdb-link-characteristics-a-bit {
+ description
+ "Definition of the A bit, as used in IS-IS link delay TLVs.";
+
+ leaf a-bit {
+ type boolean;
+ description
+ "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.";
+ }
+ }
+
+ grouping isis-lsdb-tlv-nlpid-state {
+ description
+ "NLP ID parameters for IS-IS.";
+
+ leaf-list nlpid {
+ type enumeration {
+ enum IPV4 {
+ description "IPv4 Address family.";
+ }
+ enum IPV6 {
+ description "IPv6 Address family.";
+ }
+ }
+ description
+ "Protocol supported. IPv4 is defined as (0xcc) and IPv6 -
+ (0x8e)";
+ reference
+ "RFC1195: Use of OSI IS-IS for Routing in TCP/IP and
+ Dual Environments. TLV 129. ";
+ }
+ }
+
+ grouping isis-lsdb-subtlv-type-state {
+ description
+ "Per-subTLV type operational state parameters for ISIS.";
+
+ leaf type {
+ type identityref {
+ base oc-isis-lsdb-types:ISIS_SUBTLV_TYPE;
+ }
+ description
+ "The type of subTLV being described. The type of subTLV is
+ expressed as a canonical name.";
+ }
+ }
+
+ grouping isis-lsdb-tlv-type-state {
+ description
+ "Per-subTLV type operational state parameters for ISIS.";
+
+ leaf type {
+ type identityref {
+ base oc-isis-lsdb-types:ISIS_TLV_TYPE;
+ }
+ description
+ "The type of TLV being described. The type of TLV is
+ expressed as a canonical name.";
+ }
+ }
+
+ grouping is-reachability-neighbor-state {
+ description
+ "This grouping defines is-reachability neighbor.";
+
+ container subtlvs {
+ description
+ "This container describes IS Neighbor sub-TLVs.";
+
+ list subtlv {
+ key "type";
+
+ description
+ "List of subTLV types in the LSDB for the specified TLV.";
+
+ leaf type {
+ type leafref {
+ path "../state/type";
+ }
+ description
+ "Reference to the sub-TLV type.";
+ }
+
+ container state {
+ description
+ "State parameters of IS neighbor state";
+
+ uses isis-lsdb-subtlv-type-state;
+ }
+
+ container admin-group {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_ADMIN_GROUP'" {
+ description
+ "Only include the administrative group container when
+ the sub-TLV is type 3";
+ }
+ description
+ "This container defines sub-TLV 3.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 3.";
+
+ leaf-list admin-group {
+ type uint32;
+ description
+ "The administrative group sub-TLV contains a 4-octet
+ bit mask assigned by the network administrator. Each
+ set bit corresponds to one administrative group
+ assigned to the interface. By convention, the least
+ significant bit is referred to as group 0, and the
+ most significant bit is referred to as group 31.";
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering.
+ sub-TLV 3: TLV 22,23,141,222, 223.";
+ }
+ }
+ }
+
+ container link-id {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_LINK_ID'" {
+ description
+ "Only include the link identifier container when the
+ sub-TLV is type 4";
+ }
+ description
+ "This container defines sub-TLV 4.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 4.";
+
+ leaf local {
+ type uint32;
+ description
+ "The value field of this sub-TLV contains 4 octets of
+ Link Local Identifier followed by 4 octets of Link
+ Remote Identifier.";
+ reference
+ "RFC5307: IS-IS Extensions in Support of Generalized
+ Multi-Protocol Label Switching (GMPLS). sub-TLV 3: TLV
+ 22,23,141,222, 223.";
+ }
+
+ leaf remote {
+ type uint32;
+ description
+ "If the Link Remote Identifier is unknown, it is set
+ to 0.";
+ reference
+ "RFC5307: IS-IS Extensions in Support of Generalized
+ Multi-Protocol Label Switching (GMPLS). sub-TLV 3: TLV
+ 22,23,141,222, 223.";
+ }
+ }
+ }
+
+ container ipv4-interface-address {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_IPV4_INTERFACE_ADDRESS'" {
+ description
+ "Only include the IPv4 interface address group container
+ when the sub-TLV is type 6";
+ }
+ description
+ "This container defines sub-TLV 6.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 6.";
+
+ leaf-list address {
+ type inet:ipv4-address;
+ description
+ "A 4-octet IPv4 address for the interface described by
+ the (main) TLV. This sub-TLV can occur multiple
+ times.";
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering.
+ sub-TLV 6: TLV 22,23,41,222,223.";
+ }
+ }
+ }
+
+ container ipv4-neighbor-address {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_IPV4_NEIGHBOR_ADDRESS'" {
+ description
+ "Only include the IPv4 neighbor address container when
+ the sub-TLV is type 8.";
+ }
+ description
+ "This container defines sub-TLV 8.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 8.";
+
+ leaf-list address {
+ type inet:ipv4-address;
+ description
+ "A single IPv4 address for a neighboring router on
+ this link. This sub-TLV can occur multiple times.";
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering.
+ sub-TLV 8: TLV 22,23, 141,222,223.";
+ }
+ }
+ }
+
+ container max-link-bandwidth {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_MAX_LINK_BANDWIDTH'" {
+ description
+ "Only include the maximum link bandwidth container when
+ the sub-TLV is type 9.";
+ }
+ description
+ "This container defines sub-TLV 9.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 9.";
+
+ leaf bandwidth {
+ type oc-types:ieeefloat32;
+ units "bytes per second";
+ description
+ "The maximum bandwidth that can be used on this link
+ in this direction (from the system originating the LSP
+ to its neighbors). It is encoded in 32 bits in IEEE
+ floating point format. The units are bytes (not
+ bits!) per second.";
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering.
+ sub-TLV 9: TLV 22,23,141,222,223.";
+ }
+ }
+ }
+
+ container max-reservable-link-bandwidth {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_MAX_RESERVABLE_BANDWIDTH'" {
+ description
+ "Only include the maximum reservable link bandwidth
+ container when the sub-TLV type is 10.";
+ }
+ description
+ "This container defines sub-TLV 10.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 10.";
+
+ leaf bandwidth {
+ type oc-types:ieeefloat32;
+ units "bytes per second";
+ description
+ "The maximum amount of bandwidth that can be reserved
+ in this direction on this link. Note that for
+ oversubscription purposes, this can be greater than
+ the bandwidth of the link. It is encoded in 32 bits
+ in IEEE floating point format. The units are bytes
+ (not bits!) per second.";
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering.
+ Sub-TLV 10: TLV 22,23,141,222,223.";
+ }
+ }
+ }
+
+ container unreserved-bandwidth {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_UNRESERVED_BANDWIDTH'" {
+ description
+ "Only include the unreserved bandwidth container when
+ the sub-TLV type is 11.";
+ }
+ description
+ "This container defines unreserved-bandwidth. The units
+ are bytes per second.";
+
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering. sub-
+ TLV 11: TLV 22,23,141,222,223";
+
+ list setup-priority {
+ key "priority";
+
+ leaf priority {
+ type leafref {
+ path "../state/priority";
+ }
+ description
+ "Reference to the setup priority to which the
+ unreserved bandwidth corresponds.";
+ }
+
+ description
+ "Setup priority (0 through 7) for unreserved
+ bandwidth.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 11.";
+
+ leaf priority {
+ type uint8 {
+ range "0..7";
+ }
+ description
+ "Setup priority level of 0 through 7 to be used by
+ Unreserved Bandwidth sub-TLV 11.";
+ }
+
+ leaf bandwidth {
+ type oc-types:ieeefloat32;
+ units "bytes per second";
+ description
+ "The amount of bandwidth reservable in this
+ direction on this link. Note that for
+ oversubscription purposes, this can be greater than
+ the bandwidth of the link. It contains eight 32-bit
+ IEEE floating point numbers(one for each priority).
+ The units are bytes (not bits!) per second. The
+ values correspond to the bandwidth that can be
+ reserved with a setup priority of 0 through 7,
+ arranged in increasing order with priority 0
+ occurring at the start of the sub-TLV, and priority
+ 7 at the end of the sub-TLV.";
+ }
+ }
+ }
+ }
+
+ container ipv6-interface-address {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_IPV6_INTERFACE_ADDRESS'" {
+ description
+ "Only include the IPv6 interface address when the
+ sub-TLV type is 12.";
+ }
+ description
+ "This container defines sub-TLV 12.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 12.";
+
+ leaf-list address {
+ type inet:ipv6-address;
+ description
+ "Contains a 16-octet IPv6 address for the interface
+ described by the containing Extended IS Reachability
+ TLV. This sub-TLV can occur multiple times.";
+ reference
+ "RFC6119: IPv6 Traffic Engineering in IS-IS. sub-TLV
+ 12: TLV 22,23,141,222,223.";
+ }
+ }
+ }
+
+ container ipv6-neighbor-address {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_IPV6_NEIGHBOR_ADDRESS'" {
+ description
+ "Only include the IPv6 neighbor address when the
+ sub-TLV type is 13.";
+ }
+ description
+ "This container defines sub-TLV 13.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 13.";
+
+ leaf-list address {
+ type inet:ipv6-address;
+ description
+ "Contains a 16-octet IPv6 address for a neighboring
+ router on the link described by the (main) TLV. This
+ sub-TLV can occur multiple times.";
+ reference
+ "RFC6119: IPv6 Traffic Engineering in IS-IS. sub-TLV
+ 13: ISIS TLV 22,23,141,222,223.";
+ }
+ }
+ }
+
+ container extended-admin-group {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_EXTENDED_ADMIN_GROUP'" {
+ description
+ "Only include the extended admin group when the
+ sub-TLV type is 14.";
+ }
+ description
+ "This container defines sub-TLV 14.";
+ container state {
+ description
+ "State parameters of sub-TLV 14.";
+
+ leaf-list extended-admin-group {
+ type uint32;
+ description
+ "The extended-admin-group sub-TLV is used in addition
+ to the Administrative Groups when it is desirable to
+ make more than 32 colors available for advertisement
+ in a network.";
+ reference
+ "RFC7308: Extended Administrative Groups in MPLS
+ Traffic Engineering (MPLS-TE). sub-TLV 14: TLV
+ 22,23,141,222,223.";
+ }
+ }
+ }
+
+ container te-default-metric {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_TE_DEFAULT_METRIC'" {
+ description
+ "Only include the default traffic engineering metric
+ container when the sub-TLV type is 18.";
+ }
+ description
+ "This container defines sub-TLV 18.";
+ container state {
+ description
+ "State parameters of sub-TLV 18.";
+
+ leaf metric {
+ type uint32;
+ description
+ "This metric is administratively assigned and can be
+ used to present a differently weighted topology to
+ traffic engineering SPF calculations. To preclude
+ overflow within a traffic engineering SPF
+ implementation, all metrics greater than or equal to
+ MAX_PATH_METRIC SHALL be considered to have a metric
+ of MAX_PATH_METRIC.";
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering.
+ sub-TLV 18: TLV 22,23,141,222,223.";
+ }
+ }
+ }
+
+ container link-attributes {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_LINK_ATTRIBUTES'" {
+ description
+ "Only include the link attributes container when the
+ sub-TLV is type 19.";
+ }
+ description
+ "This container defines link-attributes.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 19.";
+
+ leaf-list local-protection {
+ type enumeration {
+ enum LOCAL_PROTECTION {
+ description
+ "If set, local protection is available for the
+ link.";
+ }
+ enum LINK_EXCLUDED {
+ description
+ "If set, the link is excluded from local
+ protection.";
+ }
+ }
+ description
+ "Link local-protection attributes.";
+
+ reference
+ "RFC5029: Definition of an IS-IS Link Attribute Sub-
+ TLV. TLV 22, sub-TLV 19.";
+ }
+ }
+ }
+
+ container link-protection-type {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_LINK_PROTECTION_TYPE'" {
+ description
+ "Only include the link protection type container when
+ the sub-TLV type 20.";
+ }
+ description
+ "ISIS LSDB parameters relating to the type of link
+ protection offered.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 20.";
+
+ leaf-list type {
+ type enumeration {
+ enum EXTRA_TRAFFIC {
+ description
+ "If set the link has extra traffic protection. If
+ the link is of type Extra Traffic, it means that
+ the link is protecting another link or links. The
+ LSPs on a link of this type will be lost if any of
+ the links it is protecting fail.";
+ }
+ enum UNPROTECTED {
+ description
+ "If set, the link is unprotected. If the link is
+ of type Unprotected, it means that there is no
+ other link protecting this link. The LSPs on a
+ link of this type will be lost if the link
+ fails.";
+ }
+ enum SHARED {
+ description
+ "If set, the link has shared protection. If the
+ link is of type Shared, it means that there are
+ one or more disjoint links of type Extra Traffic
+ that are protecting this link. These Extra
+ Traffic links are shared between one or more links
+ of type Shared.";
+ }
+ enum ONE_ONE {
+ description
+ "If set, the link has dedicated 1:1 protection. If
+ the link is of type Dedicated 1:1, it means that
+ there is one dedicated disjoint link of type Extra
+ Traffic that is protecting this link.";
+ }
+ enum PLUS_ONE {
+ description
+ "If set, the link has dedicated 1+1 protection. If
+ the link is of type Dedicated 1+1, it means that a
+ dedicated disjoint link is protecting this link.
+ However, the protecting link is not advertised in
+ the link state database and is therefore not
+ available for the routing of LSPs.";
+ }
+ enum ENHANCED {
+ description
+ "If set the link has enhanced protection. If the
+ link is of type Enhanced, it means that a
+ protection scheme that is more reliable than
+ Dedicated 1+1, e.g., 4 fiber BLSR/MS-SPRING, is
+ being used to protect this link.";
+ }
+ }
+ description
+ "Link protection capabilities.";
+ reference
+ "RFC5307: IS-IS Extensions in Support of Generalized
+ Multi-Protocol Label Switching (GMPLS). sub-TLV 20:
+ TLV 22,23,141,222,223.";
+ }
+ }
+ }
+
+ container bandwidth-constraints {
+ when "../state/type =" +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_BANDWIDTH_CONSTRAINTS'" {
+ description
+ "Only include the bandwidth constraints container when
+ the sub-TLV is type 22.";
+ }
+ description
+ "This container defines bandwidth-constraints. For DS-TE,
+ the existing Maximum Reservable link bandwidth parameter
+ is retained, but its semantics is generalized and
+ interpreted as the aggregate bandwidth constraint across
+ all Class-Types";
+
+ reference
+ "RFC4124: Protocol Extensions for Support of Diffserv-
+ aware MPLS Traffic Engineering. sub-TLV 22: TLV 22, 23,
+ 141, 222,223";
+
+ list bandwidth-constraint {
+ key "model-id";
+
+ description
+ "List of the Bandwidth Constraints sub-TLV instances
+ present in the TLV.";
+
+ leaf model-id {
+ type leafref {
+ path "../state/model-id";
+ }
+ description
+ "Reference to the model ID associated with the
+ instance of the Bandwidth Constraints sub-TLV.";
+ }
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 22.";
+
+ leaf model-id {
+ type uint8;
+ description
+ "Identifier for the Bandwidth Constraints Model
+ currently in use by the LSR initiating the IGP
+ advertisement.";
+ }
+ }
+
+ container constraints {
+ description
+ "Constraints contained within the Bandwidth
+ Constraints sub-TLV";
+
+ list constraint {
+ key "constraint-id";
+
+ description
+ "List of the constraints within the Bandwidth
+ Constraints sub-TLV. The BC0 level is indicated by
+ the constraint-id leaf being set to 0, with BCN
+ being indicated by constraint-id N.";
+
+ leaf constraint-id {
+ type leafref {
+ path "../state/constraint-id";
+ }
+ description
+ "Reference to the unique ID for the BCN level.";
+ }
+
+ container state {
+ description
+ "Operational state parameters of the BCN level";
+
+ leaf constraint-id {
+ type uint32;
+ description
+ "Unique reference for the bandwidth constraint level. BC0
+ is indicated by this leaf being set to zero, with BCN
+ represented by this leaf being set to N.";
+ }
+
+ leaf bandwidth {
+ type oc-types:ieeefloat32;
+ units "bytes per second";
+ description
+ "The bandwidth constraint, expressed as a 32-bit IEEE
+ floating point number expressed in bytes per second.";
+ }
+ }
+ }
+ }
+ }
+ }
+
+ container unconstrained-lsp {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_UNCONSTRAINED_LSP'" {
+ description
+ "Only include the unconstrained LSP container when the
+ sub-TLV is type 23.";
+ }
+ description
+ "This container defines sub-TLV 23.";
+ container state {
+ description
+ "State parameters of sub-TLV 23.";
+
+ uses isis-lsdb-subtlv-type-state;
+
+ leaf count {
+ type uint16;
+ description
+ "Unconstrained TE LSP count(TE Label Switched Paths
+ (LSPs) signalled with zero bandwidth).";
+ reference
+ "RFC5330: A Link-Type sub-TLV to Convey the Number of
+ Traffic Engineering Label Switched Paths Signalled
+ with Zero Reserved Bandwidth across a Link. sub-TLV
+ 23: TLV 22,23,141,222,223";
+ }
+ }
+ }
+
+ container adjacency-sids {
+ when "../state/type = 'oc-isis-lsdb-types:IS_REACHABILITY_ADJ_SID'" {
+ description
+ "Only include the adjacency SIDs container when the
+ sub-TLV type is 31";
+ }
+
+ description
+ "This container defines segment routing adjacency SIDs.";
+
+ list adjacency-sid {
+ key "value";
+
+ description
+ "Adjacency Segment-IDs List. An IGP-Adjacency Segment is
+ an IGP segment attached to a unidirectional adjacency or
+ a set of unidirectional adjacencies. By default, an IGP-
+ Adjacency Segment is local to the node which advertises
+ it.";
+
+ leaf value {
+ type leafref {
+ path "../state/value";
+ }
+ description
+ "Reference to the value of the Adjacency-SID.";
+ }
+
+ container state {
+ description
+ "State parameters of Adjacency-SID.";
+
+ leaf value {
+ type uint32;
+ description
+ "Adjacency-SID value.";
+ }
+
+ leaf-list flags {
+ type enumeration {
+ enum ADDRESS_FAMILY {
+ description
+ "Address-family flag. When unset, the Adj-SID
+ refers to an adjacency with outgoing IPv4
+ encapsulation. If set then the Adj-SID refers to
+ an adjacency with outgoing IPv6 encapsulation.";
+ }
+ enum BACKUP {
+ description
+ "Backup flag. When set, the Adj-SID refers to an
+ adjacency being protected (e.g.: using IPFRR or
+ MPLS-FRR).";
+ }
+ enum VALUE {
+ description
+ "Value flag. When set, the SID carries a value
+ (instead of an index). By default the flag is
+ SET.";
+ }
+ enum LOCAL {
+ description
+ "Local flag. When set, the value/index carried
+ by the SID has local significance. By default
+ the flag is SET.";
+ }
+ enum SET {
+ description
+ "Set flag. When set, the S-Flag indicates that
+ the Adj-SID refers to a set of adjacencies.";
+ }
+ }
+ description
+ "Flags associated with Adj-Segment-ID.";
+ }
+
+ leaf weight {
+ type uint8;
+ description
+ "Value that represents the weight of the Adj-SID for
+ the purpose of load balancing.";
+ }
+ }
+ }
+
+ reference
+ "draft-ietf-isis-segment-routing-extensions. sub-TLV 31:
+ TLV 22, 222, 223, 141. ";
+ }
+
+ container lan-adjacency-sids {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_ADJ_LAN_SID'" {
+ description
+ "Only include the LAN adjacency SID container when
+ the sub-TLV is type 32.";
+ }
+ description
+ "This container defines segment routing LAN adjacency
+ SIDs";
+
+ list lan-adjacency-sid {
+ key "value";
+
+ description
+ "Adjacency Segment-IDs List. An IGP-Adjacency Segment is
+ an IGP segment attached to a unidirectional adjacency or
+ a set of unidirectional adjacencies. By default, an IGP-
+ Adjacency Segment is local to the node which advertises
+ it.";
+
+ leaf value {
+ type leafref {
+ path "../state/value";
+ }
+ description
+ "Reference to the value of the LAN Adjacency-SID.";
+ }
+
+ container state {
+ description
+ "State parameters of LAN Adjacency-SID.";
+
+ leaf value {
+ type uint32;
+ description
+ "LAN Adjacency-SID value.";
+ }
+
+ leaf-list flags {
+ type enumeration {
+ enum ADDRESS_FAMILY {
+ description
+ "Address-family flag. When unset, the Adj-SID
+ refers to an adjacency with outgoing IPv4
+ encapsulation. If set then the Adj-SID refers to
+ an adjacency with outgoing IPv6 encapsulation.";
+ }
+ enum BACKUP {
+ description
+ "Backup flag. When set, the Adj-SID refers to an
+ adjacency being protected (e.g.: using IPFRR or
+ MPLS-FRR).";
+ }
+ enum VALUE {
+ description
+ "Value flag. When set, the SID carries a value
+ (instead of an index). By default the flag is
+ SET.";
+ }
+ enum LOCAL {
+ description
+ "Local flag. When set, the value/index carried
+ by the SID has local significance. By default
+ the flag is SET.";
+ }
+ enum SET {
+ description
+ "Set flag. When set, the S-Flag indicates that
+ the Adj-SID refers to a set of adjacencies.";
+ }
+ }
+ description
+ "Flags associated with LAN-Adj-Segment-ID.";
+ }
+
+ leaf weight {
+ type uint8;
+ description
+ "Value that represents the weight of the Adj-SID
+ for the purpose of load balancing.";
+ }
+
+ leaf neighbor-id {
+ type oc-isis-types:system-id;
+ description
+ "System ID of the neighbor associated with the LAN-
+ Adj-Segment-ID value.";
+ }
+ }
+ }
+
+ reference
+ "draft-ietf-isis-segment-routing-extensions. sub-TLV 32:
+ TLV 22, 222, 223, 141.";
+ }
+
+ container link-delay {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_LINK_DELAY'" {
+ description
+ "Include the link delay container only when the sub-TLV
+ type is type 33.";
+ }
+ description
+ "This container defines unidirectional link delay.";
+
+ reference
+ "RFC7810: IS-IS Traffic Engineering (TE) Metric
+ Extensions. sub-TLV 33: TLV 22, 23, 141, 222, 223.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 33.";
+
+ uses isis-lsdb-link-characteristics-a-bit;
+
+ leaf delay {
+ type uint32;
+ units microseconds;
+ description
+ "Average link delay value (in microseconds) between
+ two directly connected IS-IS neighbors over a
+ configurable interval.";
+ }
+ }
+ }
+
+ container min-max-link-delay {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_MIN_MAX_LINK_DELAY'" {
+ description
+ "Only include the min/max link delay container when the
+ sub-TLV is type 34.";
+ }
+ description
+ "This container defines min/max link delay.";
+
+ reference
+ "RFC7810: IS-IS Traffic Engineering (TE) Metric
+ Extensions. sub-TLV 34: TLV 22, 23, 141, 222, 223.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 34.";
+
+ uses isis-lsdb-link-characteristics-a-bit;
+
+ leaf min-delay {
+ type uint32;
+ units microseconds;
+ description
+ "Minimum measured link delay value(in microseconds)
+ between two directly connected IS-IS neighbors over a
+ configurable interval.";
+ }
+
+ leaf max-delay {
+ type uint32;
+ units microseconds;
+ description
+ "Maximum measured link delay value(in microseconds)
+ between two directly connected IS-IS neighbors over a
+ configurable interval.";
+ }
+ }
+ }
+
+ container link-delay-variation {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_LINK_DELAY_VARIATION'" {
+ description
+ "Only include the link delay variation container when
+ the sub-TLV is type 35.";
+ }
+ description
+ "This container defines unidirectional link delay
+ variation.";
+
+ reference
+ "RFC7810: IS-IS Traffic Engineering (TE) Metric
+ Extensions. sub-TLV 35: TLV 22,23,141,222,223.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 35.";
+
+ leaf delay {
+ type uint32;
+ units microseconds;
+ description
+ "Average link delay between two directly connected IS-
+ IS neighbors over a configurable interval.";
+ }
+ }
+ }
+
+ container link-loss {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_LINK_LOSS'" {
+ description
+ "Only include the link loss container when the sub-TLV
+ is type 36.";
+ }
+ description
+ "This container defines unidirectional link loss delay.";
+
+ reference
+ "RFC7810: IS-IS Traffic Engineering (TE) Metric
+ Extensions. sub-TLV 36: TLV 22, 23, 141, 222, 223.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 36.";
+
+ uses isis-lsdb-link-characteristics-a-bit;
+
+ leaf link-loss {
+ type uint32;
+ description
+ "Link packet loss as a percentage of the total traffic
+ sent over a configurable interval. The basic unit is
+ 0.000003%, where (2^24 - 2) is 50.331642%. This value
+ is the highest packet-loss percentage that can be
+ expressed (the assumption being that precision is more
+ important on high-speed links than the ability to
+ advertise loss rates greater than this, and that high-
+ speed links with over 50% loss are unusable).
+ Therefore, measured values that are larger than the
+ field maximum SHOULD be encoded as the maximum
+ value.";
+ }
+ }
+ }
+
+ container residual-bandwidth {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_RESIDUAL_BANDWIDTH'" {
+ description
+ "Only include the resdiual bandwidth container when the
+ sub-TLV is type 37.";
+ }
+ description
+ "This container defines unidirectional residual
+ bandwidth.";
+
+ reference
+ "RFC7810: IS-IS Traffic Engineering (TE) Metric
+ Extensions. sub-TLV 37: TLV 22, 23, 141, 222, 223.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 37.";
+
+ leaf bandwidth {
+ type oc-types:ieeefloat32;
+ units "bytes per second";
+ description
+ "Residual bandwidth on a link,forwarding adjacency
+ [RFC4206], or bundled link in IEEE floating-point
+ format with units of bytes per second. For a link or
+ forwarding adjacency, residual bandwidth is defined to
+ be the Maximum Bandwidth [RFC5305] minus the bandwidth
+ currently allocated to RSVP-TE label switched paths.
+ For a bundled link, residual bandwidth is defined to
+ be the sum of the component link residual
+ bandwidths.";
+ }
+ }
+ }
+
+ container available-bandwidth {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_AVAILABLE_BANDWIDTH'" {
+ description
+ "Only include the available bandwdith container when the
+ sub-TLV is type 38.";
+ }
+ description
+ "This container defines unidirectional lavailable
+ bandwidth.";
+
+ reference
+ "RFC7810: IS-IS Traffic Engineering (TE) Metric
+ Extensions. sub-TLV 38: TLV 22, 23, 141, 222, 223.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 38.";
+
+ uses isis-lsdb-subtlv-type-state;
+
+ leaf bandwidth {
+ type oc-types:ieeefloat32;
+ units "bytes per second";
+ description
+ "The available bandwidth on a link, forwarding
+ adjacency, or bundled link in IEEE floating-point
+ format with units of bytes per second. For a link or
+ forwarding adjacency, available bandwidth is defined
+ to be residual bandwidth minus the measured bandwidth
+ used for the actual forwarding of non-RSVP-TE label
+ switched path packets. For a bundled link, available
+ bandwidth is defined to be the sum of the component
+ link available bandwidths minus the measured bandwidth
+ used for the actual forwarding of non-RSVP-TE label
+ switched path packets. For a bundled link, available
+ bandwidth is defined to be the sum of the component
+ link available bandwidths.";
+ }
+ }
+ }
+
+ container utilized-bandwidth {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_REACHABILITY_UTILIZED_BANDWIDTH'" {
+ description
+ "Only include the utilized bandwidth container when the
+ TLV is type 39.";
+ }
+ description
+ "This container defines unidirectional utilized
+ bandwidth.";
+
+ reference
+ "RFC7810: IS-IS Traffic Engineering (TE) Metric
+ Extensions. sub-TLV 39: TLV 22, 23, 141, 222, 223.";
+
+ container state {
+ description
+ "State parameters of IS Extended Reachability sub-TLV
+ 39.";
+
+ uses isis-lsdb-subtlv-type-state;
+
+ leaf bandwidth {
+ type oc-types:ieeefloat32;
+ units "bytes per second";
+ description
+ "The bandwidth utilization on a link, forwarding
+ adjacency, or bundled link in IEEE floating-point
+ format with units of bytes per second. For a link or
+ forwarding adjacency, bandwidth utilization represents
+ the actual utilization of the link (i.e., as measured
+ by the advertising node). For a bundled link,
+ bandwidth utilization is defined to be the sum of the
+ component link bandwidth utilizations.";
+ }
+ }
+ }
+ }
+ }
+
+ uses isis-lsdb-undefined-subtlv;
+ }
+
+ grouping isis-lsdb-undefined-tlv {
+ description
+ "Grouping for unknown TLVs in the IS-IS LSDB";
+
+ container undefined-tlvs {
+ description
+ "Surrounding container for a list of unknown TLVs.";
+
+ list undefined-tlv {
+ key "type";
+ description
+ "List of TLVs that are not defined within the model, or are
+ not recognised by the system.";
+
+ leaf type {
+ type leafref {
+ path "../state/type";
+ }
+ description
+ "Reference to the undefined TLV's type";
+ }
+
+ container state {
+ description
+ "State parameters of the undefined TLV.";
+
+ uses undefined-tlv-state;
+ }
+ }
+ }
+ }
+
+ grouping isis-lsdb-undefined-subtlv {
+ description
+ "Grouping for unknown Sub-TLVs in the IS-IS LSDB.";
+
+ container undefined-subtlvs {
+ description
+ "This container describes undefined ISIS TLVs.";
+
+ list undefined-subtlv {
+ key "type";
+
+ description
+ "Sub-TLVs that are not defined in the model or not
+ recognised by system.";
+
+ leaf type {
+ type leafref {
+ path "../state/type";
+ }
+ description
+ "Reference to the type of the undefined sub-TLV";
+ }
+
+ container state {
+ description
+ "State parameters of the undefined sub-TLV.";
+
+ uses undefined-subtlv-state;
+ }
+ }
+ }
+ }
+
+ grouping isis-lsdb-prefix-state {
+ description
+ "This grouping defines prefix reachability.";
+
+ container subtlvs {
+ description
+ "This container describes IS prefix sub-TLVs.";
+
+ list subtlv {
+ key "type";
+
+ description
+ "List of subTLV types in the LSDB for the specified TLV.";
+
+ leaf type {
+ type leafref {
+ path "../state/type";
+ }
+ description
+ "Reference to the sub-TLV type";
+ }
+
+ container state {
+ description
+ "State parameters for a prefix.";
+
+ uses isis-lsdb-subtlv-type-state;
+ }
+
+ container tag {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IP_REACHABILITY_TAG'" {
+ description
+ "Only include the tag container when the sub-TLV is type
+ 1.";
+ }
+ description
+ "This container defines sub-TLV 1.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 1.";
+
+ leaf-list tag32 {
+ type uint32;
+ description
+ "List of 32-bit tags associated with the prefix. Example
+ uses of these tags include carrying BGP standard (or
+ extended) communities and controlling redistribution
+ between levels and areas, different routing protocols,
+ or multiple instances of IS-IS running on the same
+ router.";
+ reference
+ "RFC5130: A Policy Control Mechanism in IS-IS Using
+ Administrative Tags. sub-TLV 1.";
+ }
+ }
+ }
+
+ container tag64 {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IP_REACHABILITY_TAG64'" {
+ description
+ "Only include the tag64 container when the sub-TLV is type
+ 2.";
+ }
+ description
+ "This container defines sub-TLV 2.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 2.";
+
+ leaf-list tag64 {
+ type uint64;
+ description
+ "List of 64-bit tags associated with the prefix. Example
+ uses of these tags include carrying BGP standard (or
+ extended) communities and controlling redistribution
+ between levels and areas, different routing protocols,
+ or multiple instances of IS-IS running on the same
+ router.";
+ reference
+ "RFC5130: A Policy Control Mechanism in IS-IS Using
+ Administrative Tags. sub-TLV 2.";
+ }
+ }
+ }
+
+ container flags {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IP_REACHABILITY_PREFIX_FLAGS'" {
+ description
+ "Only include the flags container when the sub-TLV is type
+ 4.";
+ }
+ description
+ "This container defines sub-TLV 4.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 4.";
+
+ uses isis-lsdb-subtlv-type-state;
+
+ leaf-list flags {
+ type enumeration {
+ enum EXTERNAL_FLAG {
+ description
+ "External prefix flag. Set if the prefix has been
+ redistributed from another protocol. This includes
+ the case where multiple virtual routers are
+ supported and the source of the redistributed prefix
+ is another IS-IS instance.";
+ }
+ enum READVERTISEMENT_FLAG {
+ description
+ "Readvertisement flag. Set when the prefix has been
+ leaked from one level to another (upwards or
+ downwards).";
+ }
+ enum NODE_FLAG {
+ description
+ "Node flag. Set when the prefix identifies the
+ advertising router, i.e., the prefix is a host
+ prefix advertising a globally reachable address
+ typically associated with a loopback address.";
+ }
+ }
+ description
+ "Additional prefix reachability flags.";
+
+ reference
+ "RFC7794: IS-IS Prefix Attributes for Extended IPv4 and
+ IPv6 Reachability. sub-TLV 4.";
+ }
+ }
+ }
+
+ container ipv4-source-router-id {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IP_REACHABILITY_IPV4_ROUTER_ID'" {
+ description
+ "Only include the IPv4 Source Router ID container when
+ the sub-TLV is type 11.";
+ }
+ description
+ "This container defines sub-TLV 11.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 11.";
+
+ uses isis-lsdb-subtlv-type-state;
+
+ leaf router-id {
+ type inet:ipv4-address;
+ description
+ "IPv4 Source router ID address. In cases where the
+ advertisement is an identifier for the advertising
+ router (e.g., with the N-flag set in the Prefix
+ Attribute Flags sub-TLV), it may be useful for other
+ routers to know the source of the advertisement. When
+ reachability advertisement is leaked from one level to
+ another, Router ID advertised is always the Router ID
+ of the IS-IS instance that originated the
+ advertisement. This would be true even if the prefix
+ had been learned from another protocol.";
+ reference
+ "RFC7794: IS-IS Prefix Attributes for Extended IPv4
+ and IPv6 Reachability. sub-TLV 11";
+ }
+ }
+ }
+
+ container ipv6-source-router-id {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IP_REACHABILITY_IPV6_ROUTER_ID'" {
+ description
+ "Only include the IPv6 Source Router ID container when
+ the sub-TLV is type 12.";
+ }
+ description
+ "This container defines sub-TLV 12.";
+
+ container state {
+ description
+ "State parameters of sub-TLV 12.";
+
+ uses isis-lsdb-subtlv-type-state;
+
+ leaf router-id {
+ type inet:ipv6-address;
+ description
+ "IPv6 Source router ID address. In cases where the
+ advertisement is an identifier for the advertising
+ router (e.g., with the N-flag set in the Prefix
+ Attribute Flags sub-TLV), it may be useful for other
+ routers to know the source of the advertisement. When
+ reachability advertisement is leaked from one level to
+ another, Router ID advertised is always the Router ID
+ of the IS-IS instance that originated the
+ advertisement. This would be true even if the prefix
+ had been learned from another protocol.";
+ reference
+ "RFC7794: IS-IS Prefix Attributes for Extended IPv4
+ and IPv6 Reachability. sub-TLV 12.";
+ }
+ }
+ }
+
+ uses isis-lsdb-prefix-sid-state;
+ }
+ }
+
+ uses isis-lsdb-undefined-subtlv;
+ }
+
+ grouping isis-lsdb-prefix-sid-state {
+ description
+ "This grouping defines ISIS Prefix SID.";
+
+ container prefix-sids {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IP_REACHABILITY_PREFIX_SID'" {
+ description
+ "Only include the Prefix SID container when
+ the sub-TLV is type 3.";
+ }
+ description
+ "This container defines segment routing extensions for
+ prefixes.";
+
+ reference
+ "draft-ietf-isis-segment-routing-extensions. sub-TLV 3: TLV
+ 135, 235, 236, 237.";
+
+ list prefix-sid {
+ key "value";
+
+ description
+ "Prefix Segment-ID list. IGP-Prefix Segment is an IGP segment
+ attached to an IGP prefix. An IGP-Prefix Segment is global
+ (unless explicitly advertised otherwise) within the SR/IGP
+ domain.";
+
+ leaf value {
+ type leafref {
+ path "../state/value";
+ }
+ description
+ "Reference to the value of the prefix SID.";
+ }
+
+ container state {
+ description
+ "State parameters for Prefix-SID.";
+
+ leaf value {
+ type uint32;
+ description
+ "IGP Prefix-SID value.";
+ }
+
+ leaf-list flags {
+ type enumeration {
+ enum READVERTISEMENT {
+ description
+ "Readvertisment flag. When set, the prefix to which
+ this Prefix-SID is attached, has been propagated by
+ the router either from another level or from
+ redistribution.";
+ }
+ enum NODE {
+ description
+ "Node flag. When set, the Prefix-SID refers to the
+ router identified by the prefix. Typically, the
+ N-Flag is set on Prefix-SIDs attached to a router
+ loopback address.";
+ }
+ enum NO_PHP {
+ description
+ "Penultimate-Hop-Popping flag. When set, then the
+ penultimate hop MUST NOT pop the Prefix-SID before
+ delivering the packet to the node that advertised
+ the Prefix-SID.";
+ }
+ enum EXPLICIT_NULL {
+ description
+ "Explicit-Null flag. When set, any upstream neighbor
+ of the Prefix-SID originator MUST replace the
+ Prefix-SID with a Prefix-SID having an Explicit-NULL
+ value (0 for IPv4 and 2 for IPv6) before forwarding
+ the packet.";
+ }
+ enum VALUE {
+ description
+ "Value flag. When set, the Prefix-SID carries a
+ value (instead of an index). By default the flag is
+ UNSET.";
+ }
+ enum LOCAL {
+ description
+ "Local flag. When set, the value/index carried by
+ the Prefix-SID has local significance. By default
+ the flag is UNSET.";
+ }
+ }
+ description
+ "Flags associated with Prefix Segment-ID.";
+ }
+
+ leaf algorithm {
+ type uint8;
+ description
+ "Prefix-SID algorithm to be used for path computation.";
+ }
+ }
+ }
+ }
+ }
+
+ grouping isis-lsdb-common-metric-specification {
+ description
+ "Common definitions of the metric in IS-IS.";
+
+ container default-metric {
+ description
+ "This container defines ISIS Default Metric.";
+
+ container state {
+ description
+ "State parameters for default-metric.";
+
+ leaf flags {
+ type enumeration {
+ enum INTERNAL {
+ description
+ "When set to zero, indicates internal metrics.";
+ }
+ }
+ description
+ "ISIS Default-Metric Flags.";
+ }
+
+ leaf metric {
+ type oc-isis-types:narrow-metric;
+ description
+ "ISIS default metric value. This is a metric understood by
+ every Intermediate system in the domain. Each circuit
+ shall have a positive integral value assigned for this
+ metric. The value may be associated with any objective
+ function of the circuit, but by convention is intended to
+ measure the capacity of the circuit for handling traffic,
+ for example, its throughput in bits-per-second. Higher
+ values indicate a lower capacity.";
+ }
+ }
+ }
+
+ container delay-metric {
+ description
+ "This container defines the ISIS delay metric.";
+
+ container state {
+ description
+ "State parameters of delay-metric.";
+
+ leaf metric {
+ type oc-isis-types:narrow-metric;
+ description
+ "ISIS delay metric value. This metric measures the transit
+ delay of the associated circuit. It is an optional metric,
+ which if assigned to a circuit shall have a positive
+ integral value. Higher values indicate a longer transit
+ delay.";
+ }
+
+ leaf-list flags {
+ type isis-metric-flags;
+ description
+ "ISIS Delay Metric Flags.";
+ }
+ }
+ }
+
+ container expense-metric {
+ description
+ "This container defines the ISIS expense metric.";
+
+ container state {
+ description
+ "State parameters of expense-metric.";
+
+ leaf metric {
+ type oc-isis-types:narrow-metric;
+ description
+ "ISIS expense metric value. This metric measures the
+ monetary cost of utilising the associated circuit. It is
+ an optional metric, which if assigned to a circuit shall
+ have a positive integral value1). Higher values indicate a
+ larger monetary expense.";
+ }
+
+ leaf-list flags {
+ type isis-metric-flags;
+ description
+ "ISIS Expense Metric Flags.";
+ }
+ }
+ }
+
+ container error-metric {
+ description
+ "This container defines the ISIS error metric.";
+
+ container state {
+ description
+ "State parameters of error-metric.";
+
+ leaf metric {
+ type oc-isis-types:narrow-metric;
+ description
+ "ISIS error metric value. This metric measures the
+ residual error probability of the associated circuit. It
+ is an optional metric, which if assigned to a circuit
+ shall have a non-zero value. Higher values indicate a
+ larger probability of undetected errors on the circuit.";
+ }
+
+ leaf-list flags {
+ type isis-metric-flags;
+ description
+ "IS-IS error metric flags.";
+ }
+ }
+ }
+ }
+
+ grouping isis-lsdb-neighbor {
+ description
+ "This grouping defines attributes of an ISIS standard
+ neighbor.";
+
+ container state {
+ description
+ "State parameters of IS standard neighbor.";
+
+ leaf system-id {
+ type oc-isis-types:system-id;
+ description
+ "System-ID of IS neighbor.";
+ }
+ }
+
+ uses isis-lsdb-common-metric-specification;
+
+ }
+
+ grouping ipv4-prefix-attributes-state {
+ description
+ "This group defines attributes of an IPv4 standard prefix.";
+
+ container state {
+ description
+ "State parameters of IPv4 standard prefix.";
+
+ leaf up-down {
+ type boolean;
+ description
+ "The up/down bit. Set if a prefix is advertised from a
+ higher level to a lower level (e.g., level 2 to level 1),
+ indicating that the prefix has traveled down the hierarchy.
+ Prefixes that have the up/down bit set may only be
+ advertised down the hierarchy, i.e., to lower levels. When a
+ prefix is first injected into IS-IS, the bit is UNSET.";
+ }
+
+ leaf prefix {
+ type inet:ipv4-prefix;
+ description
+ "IPv4 prefix contained within reachability TLVs.";
+ }
+ }
+
+ uses isis-lsdb-common-metric-specification;
+ }
+
+ grouping isis-lsdb-common-mt-id {
+ description
+ "Common definition of the multi-topology ID";
+
+ leaf mt-id {
+ type uint16 {
+ range "0..4095";
+ }
+ description
+ "Multi-topology ID";
+ }
+ }
+
+ grouping ipv4-prefix-extended-state {
+ description
+ "This grouping defines attributes of an IPv4 extended prefix.";
+
+ container state {
+ description
+ "State parameters of an IPv4 extended prefix.";
+ uses ipv4-prefix-extended-params-state;
+ }
+
+ uses isis-lsdb-prefix-state;
+ }
+
+ grouping ipv4-mt-prefix-extended-state {
+ description
+ "State parameters that relate to an IPv4 prefix in a
+ multi-topology context.";
+
+ container state {
+ description
+ "State parameters of an IPv4 extended prefix.";
+ uses ipv4-prefix-extended-params-state;
+ uses isis-lsdb-common-mt-id;
+ }
+
+ uses isis-lsdb-prefix-state;
+ }
+
+ grouping ipv4-prefix-extended-params-state {
+ description
+ "State parameters that relate to an IPv4 prefix";
+
+ leaf up-down {
+ type boolean;
+ description
+ "The up/down bit. Set if a prefix is advertised from a
+ higher level to a lower level (e.g., level 2 to level 1),
+ indicating that the prefix has traveled down the hierarchy.
+ Prefixes that have the up/down bit set may only be
+ advertised down the hierarchy, i.e., to lower levels. When a
+ prefix is first injected into IS-IS, the bit is UNSET.";
+ }
+
+ leaf s-bit {
+ type boolean;
+ description
+ "The Sub-TLV present bit. If UNSET, the octets of Sub-TLVs
+ are not present. Otherwise, the bit is set and the octet
+ following the prefix will contain the length of the Sub-TLV
+ portion of the structure.";
+ }
+
+ leaf prefix {
+ type inet:ipv4-prefix;
+ description
+ "IPv4 prefix contained within extended reachability TLVs.";
+ }
+
+ leaf metric {
+ type oc-isis-types:wide-metric;
+ description
+ "ISIS metric value.";
+ }
+ }
+
+ grouping ipv6-prefix-extended-state {
+ description
+ "State parameters relating to an IPv6 prefix.";
+
+ container state {
+ description
+ "State parameters of IPv6 prefix attributes";
+
+ uses ipv6-prefix-extended-params-state;
+ }
+
+ uses isis-lsdb-prefix-state;
+ }
+
+ grouping ipv6-mt-prefix-extended-state {
+ description
+ "State parameters relating to a multi-topology IPv6
+ prefix.";
+
+ container state {
+ description
+ "State parameters relating an IPv6 prefix attribute";
+ uses ipv6-prefix-extended-params-state;
+ uses isis-lsdb-common-mt-id;
+ }
+
+ uses isis-lsdb-prefix-state;
+ }
+
+ grouping ipv6-prefix-extended-params-state {
+ description
+ "Common parameters of an IPv6 extended prefix.";
+
+ leaf up-down {
+ type boolean;
+ description
+ "The up/down bit. Set if a prefix is advertised from a
+ higher level to a lower level (e.g., level 2 to level 1),
+ indicating that the prefix has traveled down the hierarchy.
+ Prefixes that have the up/down bit set may only be
+ advertised down the hierarchy, i.e., to lower levels. When a
+ prefix is first injected into IS-IS, the bit is UNSET.";
+ }
+
+ leaf x-bit {
+ type boolean;
+ description
+ "The external bit. Set when the prefix was distributed into
+ IS-IS from another routing protocol.";
+ }
+
+ leaf s-bit {
+ type boolean;
+ description
+ "The sub-tlv present bit. If UNSET, the octets of Sub-TLVs
+ are not present. Otherwise, the bit is set and the octet
+ following the prefix will contain the length of the Sub-TLV
+ portion of the structure.";
+ }
+
+ leaf prefix {
+ type inet:ipv6-prefix;
+ description
+ "IPv6 prefix contained within extended reachability TLVs.";
+ }
+
+ leaf metric {
+ type oc-isis-types:wide-metric;
+ description
+ "ISIS metric value.";
+ }
+ }
+
+ grouping mt-isis-neighbor {
+ description
+ "This grouping defines list of ISIS multi-topology neighbors for
+ extended ISIS LSP(multiple system IDs).";
+
+ container state {
+ description
+ "State parameters of MT neighbor.";
+
+ leaf mt-id {
+ type uint16 {
+ range "0..4095";
+ }
+ description
+ "Identifier of a topology being announced.";
+ }
+
+ leaf system-id {
+ type oc-isis-types:system-id;
+ description
+ "System-id of the IS neighbor.";
+ }
+
+ leaf metric {
+ type oc-isis-types:wide-metric;
+ description
+ "ISIS metric value.";
+ }
+ }
+ uses is-reachability-neighbor-state;
+ }
+
+ grouping isis-lsdb-generic-tlv {
+ description
+ "Generic TLV encoding grouping.";
+
+ leaf type {
+ type uint8;
+ description
+ "TLV Type.";
+ }
+
+ leaf length {
+ type uint8;
+ description
+ "TLV length.";
+ }
+
+ leaf value {
+ type binary;
+ description
+ "TLV value.";
+ }
+ }
+
+ grouping undefined-tlv-state {
+ description
+ "Generic grouping defining an unknown TLV.";
+
+ uses isis-lsdb-generic-tlv;
+ }
+
+ grouping undefined-subtlv-state {
+ description
+ "Generic grouping defining an unknown sub-TLV.";
+
+ uses isis-lsdb-generic-tlv;
+ }
+
+ grouping lsp-state {
+ description
+ "This grouping defines ISIS LSP state information.";
+
+ leaf lsp-id {
+ type leafref {
+ path "../state/lsp-id";
+ }
+
+ description
+ "A reference to the Link State PDU ID.";
+ }
+
+ container state {
+ description
+ "State parameters of Link State PDU.";
+
+ leaf lsp-id {
+ type oc-isis-types:lsp-id;
+ description
+ "LSP ID of the LSP.";
+ }
+
+ leaf maximum-area-addresses {
+ type uint8;
+ description
+ "Number of area addresses permitted for this ISs area. 0
+ indicates the IS only supports three area addresses (by
+ default). Any number inclusive of 1 and 254 indicates the
+ number of areas allowed.";
+ }
+
+ leaf version {
+ type uint8;
+ default 1;
+ description
+ "PDU version. This is set to 1.";
+ }
+
+ leaf version2 {
+ type uint8;
+ default 1;
+ description
+ "PDU version2. This is set to 1";
+ }
+
+ leaf id-length {
+ type uint8;
+ description
+ "Length of the ID field of NSAP addresses and NETs used in
+ this routing domain.";
+ }
+
+ leaf pdu-type {
+ type enumeration {
+ enum LEVEL_1 {
+ description "This enum describes ISIS level 1 PDU.";
+ }
+ enum LEVEL_2 {
+ description "This enum describes ISIS level 2 PDU.";
+ }
+ }
+ description
+ "Link State PDU type.";
+ }
+
+ leaf remaining-lifetime {
+ type uint16;
+ units "seconds";
+ description
+ "Remaining lifetime in seconds before the LSP expiration.";
+ }
+
+ leaf sequence-number {
+ type uint32;
+ description
+ "Sequence number of the LSP.";
+ }
+
+ leaf checksum {
+ type uint16;
+ description
+ "Checksum of the LSP.";
+ }
+
+ leaf pdu-length {
+ type uint16;
+ description
+ "Total length of the LSP.";
+ }
+
+ leaf-list flags {
+ type enumeration {
+ enum PARTITION_REPAIR {
+ description
+ "When set, the originator supports partition
+ repair.";
+ }
+ enum ATTACHED_ERROR {
+ description
+ "When set, the originator is attached to another
+ area using the referred metric.";
+ }
+ enum ATTACHED_EXPENSE {
+ description
+ "When set, the originator is attached to another
+ area using the referred metric.";
+ }
+ enum ATTACHED_DELAY {
+ description
+ "When set, the originator is attached to another
+ area using the referred metric.";
+ }
+ enum ATTACHED_DEFAULT {
+ description
+ "When set, the originator is attached to another
+ area using the referred metric.";
+ }
+ enum OVERLOAD {
+ description
+ "When set, the originator is overloaded, and must
+ be avoided in path calculation.";
+ }
+ }
+ description
+ "LSP Type-Block flags.";
+ }
+
+ leaf is-type {
+ type oc-isis-types:level-number;
+ description
+ "Type of neighboring system.";
+ }
+ }
+
+ container tlvs {
+ description
+ "This container defines Link State PDU State TLVs.";
+
+ list tlv {
+ key "type";
+
+ description
+ "List of TLV types in the LSDB for the specified LSP.";
+
+ leaf type {
+ type leafref {
+ path "../state/type";
+ }
+ description
+ "Reference to the TLV's type.";
+ }
+
+ container state {
+ config false;
+ description
+ "Operational state parameters relating to the specified
+ LSP";
+
+ uses isis-lsdb-tlv-type-state;
+ }
+
+ container area-address {
+ when "../state/type = 'oc-isis-lsdb-types:AREA_ADDRESSES'" {
+ description
+ "Include area address parameters only when the TLV type
+ is TLV 1.";
+ }
+
+ description
+ "This container defines TLV 1.";
+
+ container state {
+ description
+ "State parameters of ISIS TLV 1.";
+
+ leaf-list address {
+ type oc-isis-types:area-address;
+ description
+ "Area adress(es) of the IS. Set of manual area
+ addresses of this IS.";
+ reference
+ "ISO 10589 Intermediate System to Intermediate System
+ Intra- Domain Routeing Exchange Protocol for use in
+ Conjunction with the Protocol for Providing the
+ Connectionless-mode Network Service (ISO 8473 )
+ International Standard 10589: 2002, Second Edition,
+ 2002. TLV 1.";
+ }
+ }
+ }
+
+ container lsp-buffer-size {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:LSP_BUFFER_SIZE'" {
+ description
+ "Include the LSP buffer size parameters only when the
+ TLV type is TLV 14.";
+ }
+
+ description
+ "This container defines TLV 14 - the LSP Buffer Size
+ TLV.";
+
+ container state {
+ description
+ "State parameters of TLV 14.";
+
+ leaf size {
+ type uint16;
+ units "bytes";
+ description
+ "The maximum MTU that the advertising system can
+ receive, expressed in bytes.";
+ reference
+ "ISO 10589 Intermediate System to Intermediate System
+ Intra- Domain Routeing Exchange Protocol for use in
+ Conjunction with the Protocol for Providing the
+ Connectionless-mode Network Service (ISO 8473 )
+ International Standard 10589: 2002, Second Edition,
+ 2002. TLV 14.";
+ }
+ }
+ }
+
+ container nlpid {
+ when "../state/type = 'oc-isis-lsdb-types:NLPID'" {
+ description
+ "Include NLPID specification only when the TLV type is
+ TLV 129.";
+ }
+
+ description
+ "This container defines TLV 129.";
+
+ container state {
+ description
+ "State parameters of ISIS TLV 129.";
+
+ uses isis-lsdb-tlv-nlpid-state;
+ }
+ }
+
+ container hostname {
+ when "../state/type = 'oc-isis-lsdb-types:DYNAMIC_NAME'" {
+ description
+ "Include the dynamic hostname TLV only when the TLV is
+ type 137.";
+ }
+ description
+ "This container defines TLV 137.";
+
+ container state {
+ description
+ "State parameters of ISIS TLV 137.";
+
+ leaf-list hostname {
+ type string;
+ description
+ "Name of the node.";
+
+ reference
+ "RFC6233: IS-IS Registry Extension for Purges, RFC
+ 5301: Dynamic Hostname Exchange Mechanism for IS-IS.
+ TLV 137";
+ }
+ }
+ }
+
+ container ipv4-interface-addresses {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IPV4_INTERFACE_ADDRESSES'" {
+ description
+ "Include the IPv4 interface addresses TLV only when the
+ TLV is type 132.";
+ }
+ description
+ "This container defines TLV 132.";
+
+ container state {
+ description
+ "State parameters of ISIS TLV 132.";
+
+ leaf-list address {
+ type inet:ipv4-address;
+ description
+ "IPv4 address(es) of the interface corresponding to
+ the SNPA over which this PDU is to be transmitted.";
+ reference
+ "RFC1195: Use of OSI IS-IS for Routing in TCP/IP and
+ Dual Environments. TLV 132.";
+ }
+ }
+ }
+
+ container ipv6-interface-addresses {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IPV6_INTERFACE_ADDRESSES'" {
+ description
+ "Include the IPv6 interface addresses TLV only when the
+ TLV is type 232.";
+ }
+ description
+ "This container defines TLV 232.";
+
+ container state {
+ description
+ "State parameters of ISIS TLV 232.";
+
+ leaf-list address {
+ type inet:ipv6-address;
+ description
+ "IPv6 interface addresses of the node. MUST contain
+ only the non-link-local IPv6 addresses assigned to the
+ IS.";
+ reference
+ "RFC5308: Routing IPv6 with IS-IS. TLV 232.";
+ }
+ }
+ }
+
+ container ipv4-te-router-id {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IPV4_TE_ROUTER_ID'" {
+ description
+ "Include the IPv4 traffic engineering router ID TLV only
+ when the TLV is type 134.";
+ }
+ description
+ "This container defines TLV 134.";
+
+ container state {
+ description
+ "State parameters of ISIS TLV 134.";
+
+ leaf-list router-id {
+ type inet:ipv4-address;
+ description
+ "IPv4 Traffic Engineering router ID of the node. For
+ traffic engineering, it guarantees that we have a
+ single stable address that can always be referenced in
+ a path that will be reachable from multiple hops away,
+ regardless of the state of the node's interfaces.";
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering. TLV
+ 134.";
+ }
+ }
+ }
+
+ container ipv6-te-router-id {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IPV6_TE_ROUTER_ID'" {
+ description
+ "Include the IPv6 traffic engineering router ID TLV only
+ when the TLV is type 140.";
+ }
+ description
+ "This container defines TLV 140.";
+
+ container state {
+ description
+ "State parameters of ISIS TLV 140.";
+
+ leaf-list router-id {
+ type inet:ipv6-address;
+ description
+ "IPv6 Traffic Engineering router ID of the node. For
+ traffic engineering, it guarantees that we have a
+ single stable address that can always be referenced in
+ a path that will be reachable from multiple hops away,
+ regardless of the state of the node's interfaces.";
+ reference
+ "RFC6119: IPv6 Traffic Engineering in IS-IS. TLV
+ 140.";
+ }
+ }
+ }
+
+ container instance-ids {
+ when "../state/type = 'oc-isis-lsdb-types:INSTANCE_ID'" {
+ description
+ "Include the ISIS Instance Identifier TLV only when the
+ TLV is type 7.";
+ }
+ description
+ "This container defines ISIS Instance Identifier TLV.";
+ reference "RFC6822: IS-IS Multi-Instance. TLV 7.";
+
+ list instance-id {
+ key "instance-id";
+
+ description
+ "A list of instance IDs received within TLV 7 within an
+ IS-IS LSP. In the case that more than one instance of
+ TLV 7 is included in the LSP, the instance IDs specified
+ within the instances are concatenated within this
+ list.";
+
+ leaf instance-id {
+ type leafref {
+ path "../state/instance-id";
+ }
+ description
+ "Reference to the unique instance ID.";
+ }
+ container state {
+ description
+ "State parameters of ISIS TLV 7.";
+
+ leaf instance-id {
+ type uint16;
+ description
+ "An Instance Identifier (IID) to uniquely identify
+ an IS-IS instance. When the IID = 0, the list of
+ supported ITIDs MUST NOT be present. An IID-TLV with
+ IID = 0 MUST NOT appear in an SNP or LSP. When the
+ TLV appears (with a non-zero IID) in an SNP or LSP,
+ exactly one ITID. MUST be present indicating the
+ topology with which the PDU is associated. If no
+ ITIDs or multiple ITIDs are present or the IID is
+ zero, then the PDU MUST be ignored.";
+ }
+
+ leaf-list topology-id {
+ type uint16;
+ description
+ "Instance-Specific Topology Identifiers (ITIDs).";
+ }
+ }
+ }
+ }
+
+ container ipv4-srlgs {
+ when "../state/type = 'oc-isis-lsdb-types:IPV4_SRLG'" {
+ description
+ "Include the IPv4 SRLG TLV only when the TLV is type
+ 138.";
+ }
+ description
+ "This container defines ISIS SRLG TLV 138.";
+
+ reference
+ "RFC5307: IS-IS Extensions in Support of Generalized
+ Multi-Protocol Label Switching (GMPLS). TLV 138.";
+
+ list ipv4-srlg {
+ key "instance-number";
+
+ description
+ "Instance of the IPv4 SRLG TLV";
+
+ leaf instance-number {
+ type leafref {
+ path "../state/instance-number";
+ }
+ description
+ "Reference to the instance number of TLV 138.";
+ }
+
+ container state {
+ description
+ "State parameters of TLV 138.";
+
+ leaf instance-number {
+ type uint32;
+ description
+ "An arbitrary unsigned 32-bit integer used to
+ disambiguate the instance of TLV 138. The instance
+ identifier is synthesised by the system
+ and may be renumbered for the same SRLG definition
+ in subsequent advertised LSPs if (and only if) the
+ entire list of SRLGs is replaced.";
+ }
+
+ leaf system-id {
+ type oc-isis-types:system-id;
+ description
+ "Neighbor system ID.";
+ }
+
+ leaf psn-number {
+ type uint8;
+ description
+ "Pseudonode number if the neighbor is on a LAN
+ interface.";
+ }
+
+ leaf-list flags {
+ type enumeration {
+ enum NUMBERED {
+ description
+ "When set, the interface is numbered, whereas if
+ unset indicates that the interface is
+ unnumbered.";
+ }
+ }
+ description
+ "SRLG flags.";
+ }
+
+ leaf ipv4-interface-address {
+ type inet:ipv4-address;
+ description
+ "IPv4 interface address.";
+ }
+
+ leaf ipv4-neighbor-address {
+ type inet:ipv4-address;
+ description
+ "IPv4 neighbor address.";
+ }
+
+ leaf-list srlg-value {
+ type uint32;
+ description
+ "List of SRLG values.";
+ }
+ }
+ }
+ }
+
+ container ipv6-srlgs {
+ when "../state/type = 'oc-isis-lsdb-types:IPV6_SRLG'" {
+ description
+ "Include the IPv6 SRLG TLV only when the TLV is type
+ 139.";
+ }
+ description
+ "This container defines ISIS SRLG TLV.";
+
+ reference
+ "RFC6119: IPv6 Traffic Engineering in IS-IS. TLV 139.";
+
+ list ipv6-srlg {
+ key "instance-number";
+
+ description
+ "Instance of the IPv6 SRLG TLV.";
+
+ leaf instance-number {
+ type leafref {
+ path "../state/instance-number";
+ }
+ description
+ "Reference to the instance number of the IPv6 Shared
+ Risk Link Group (SRLG) TLV.";
+ }
+
+ container state {
+ description
+ "State parameters of TLV 139.";
+
+ leaf instance-number {
+ type uint32;
+ description
+ "An arbitrary unsigned 32-bit integer used to
+ disambiguate the instance of TLV 138. The instance
+ identifier is synthesised by the system
+ and may be renumbered for the same SRLG definition
+ in subsequent advertised LSPs if (and only if) the
+ entire list of SRLGs is replaced.";
+ }
+
+ leaf system-id {
+ type oc-isis-types:system-id;
+ description
+ "Neighbor system ID.";
+ }
+
+ leaf psn-number {
+ type uint8;
+ description
+ "Pseudonode number if the neighbor is on a LAN
+ interface.";
+ }
+
+ leaf-list flags {
+ type enumeration {
+ enum NA {
+ description
+ "When set, the IPv6 neighbour address is
+ included, whereas if unset, it is omitted";
+ }
+ }
+ description
+ "IPv6 SRLG flags.";
+ }
+
+ leaf ipv6-interface-address {
+ type inet:ipv6-address;
+ description
+ "IPv6 interface address or Link Local Identifier.";
+ }
+
+ leaf ipv6-neighbor-address {
+ type inet:ipv6-address;
+ description
+ "IPv6 neighbor address or Link Remote Identifier.";
+ }
+
+ leaf-list srlg-value {
+ type uint32;
+ description
+ "SRLG values.";
+ }
+ }
+ }
+ }
+
+ container purge-oi {
+ when "../state/type = 'oc-isis-lsdb-types:PURGE_OI'" {
+ description
+ "Only include the purge originator identitication TLV
+ when the TLV type is 13.";
+ }
+ description
+ "This container defines ISIS purge TLV.";
+
+ reference
+ "RFC6232: Purge Originator Identification TLV for IS-IS.
+ TLV 13.";
+
+ container state {
+ description
+ "State parameters of TLV 13.";
+
+ leaf system-id-count {
+ type uint8;
+ description
+ "Number of system IDs carried in this TLV.";
+ }
+
+ leaf source-system-id {
+ type oc-isis-types:system-id;
+ description
+ "System ID of the Intermediate System that inserted
+ this TLV.";
+ }
+
+ leaf received-system-id {
+ type oc-isis-types:system-id;
+ description
+ "System ID of the Intermediate System from which the
+ purge was received.";
+ }
+ }
+ }
+
+ container router-capabilities {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:ROUTER_CAPABILITY'" {
+ description
+ "Only include the router capability TLV when the TLV is
+ type 242.";
+ }
+ description
+ "This container defines router capabilities.";
+
+ list capability {
+ key "instance-number";
+
+ description
+ "This list describes IS Router capabilities.";
+
+ reference
+ "RFC4971: Intermediate System to Intermediate System
+ (IS-IS) Extensions for Advertising Router Information.
+ TLV 242.";
+
+ leaf instance-number {
+ type leafref {
+ path "../state/instance-number";
+ }
+ description
+ "Reference to the instance number of the router
+ capability TLV.";
+ }
+
+ container state {
+ description
+ "State parameters of TLV 242.";
+
+ leaf instance-number {
+ type uint32;
+ description
+ "A unique instance number for the instance of the
+ router capabilities TLV. The instance number should
+ be autogenerated by the producer of the data and may
+ be renumbered if the entire LSP contents are
+ replaced in subsequent advertisements.";
+ }
+
+ leaf router-id {
+ type inet:ipv4-address;
+ description
+ "IPv4 router-id.";
+ }
+
+ leaf-list flags {
+ type enumeration {
+ enum FLOOD {
+ description
+ "When the S bit is set(1), the IS - IS Router
+ CAPABILITY TLV MUST be flooded across the entire
+ routing domain. When 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.";
+ }
+ enum DOWN {
+ description
+ "When the IS-IS Router CAPABILITY TLV is leaked
+ from level - 2 to level-1, the Down bit MUST be
+ set. Otherwise, this bit MUST be clear. IS - IS
+ Router capability TLVs with the Down bit set
+ MUST NOT be leaked from level - 1 to level-2.
+ This is to prevent TLV looping.";
+ }
+ }
+ description
+ "Router capability flags.";
+ }
+ }
+
+ container subtlvs {
+ description
+ "This container describes router capability TLV
+ sub-TLVs";
+
+ list subtlv {
+ key "type";
+ description
+ "List of subTLV types in the LSDB for the specified
+ TLV";
+
+ leaf type {
+ type leafref {
+ path "../state/type";
+ }
+ description
+ "Reference to the sub-TLV type";
+ }
+
+ container state {
+ description
+ "State parameters of IS Router Capabilities";
+
+ uses isis-lsdb-subtlv-type-state;
+ }
+
+ container segment-routing-algorithms {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:ROUTER_CAPABILITY_SR_ALGORITHM'" {
+ description
+ "Only include segment routing algorithm when the
+ sub-TLV is type 19.";
+ }
+ description
+ "This container defines SR algorithm sub-TLV 19.";
+
+ reference
+ "draft-ietf-isis-segment-routing-extensions.
+ TLV 242, sub-TLV 19";
+
+ container state {
+ description
+ "State parameters of sub-TLV 19 - Segment
+ Routing Algorithm.";
+
+ leaf-list algorithm {
+ type enumeration {
+ enum SPF {
+ value 0;
+ description
+ "Shortest Path First (SPF) algorithm
+ based on link metric. This is the
+ well-known shortest path algorithm as
+ computed by the IS-IS Decision process.
+ Consistent with the deployed practice
+ for link-state protocols, algorithm 0
+ permits any node to overwrite the SPF
+ path with a different path based on
+ local policy.";
+ }
+ enum STRICT_SPF {
+ value 1;
+ description
+ "Strict Shortest Path First (SPF)
+ algorithm based on link metric. The
+ algorithm is identical to algorithm 0
+ but algorithm 1 requires that all nodes
+ along the path will honor the SPF
+ routing decision. Local policy MUST NOT
+ alter the forwarding decision computed
+ by algorithm 1 at the node claiming to
+ support algorithm 1.";
+ }
+ }
+ description
+ "The Segment Routing algorithm that is
+ described by the TLV.";
+ }
+ }
+ }
+
+ container segment-routing-capability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:ROUTER_CAPABILITY_SR_CAPABILITY'" {
+ description
+ "Only include the SR capability sub-TLV when
+ the sub-TLV type is 2.";
+ }
+ description
+ "This container defines SR Capability sub-TLV 2.";
+
+ reference
+ "draft-ietf-isis-segment-routing-extensions. TLV
+ 242, sub-TLV 2.";
+
+ container state {
+ description
+ "State parameters of IS SR Router Capability";
+
+ leaf-list flags {
+ type enumeration {
+ enum IPV4_MPLS {
+ description
+ "When set, the router is capable of
+ processing SR MPLS encapsulated IPv4
+ packets on all interfaces.";
+ }
+ enum IPV6_MPLS {
+ description
+ "When set, the router is capable of
+ processing SR MPLS encapsulated IPv6
+ packets on all interfaces.";
+ }
+ enum IPV6_SR {
+ description
+ "When set, the router is capable of
+ processing the IPv6 Segment Routing Header
+ on all interfaces.";
+ }
+ }
+ description
+ "Segment Routing Capability Flags.";
+ }
+ }
+
+ container srgb-descriptors {
+ description
+ "SRGB Descriptors included within the SR
+ capability sub-TLV";
+
+ list srgb-descriptor {
+ key "range";
+ description
+ "Descriptor entry within the SR capabilty
+ sub-TLV";
+
+ leaf range {
+ type leafref {
+ path "../state/range";
+ }
+ description
+ "Reference to unique SRGB Descriptor.";
+ }
+
+ container state {
+ description
+ "State parameters of the SR range";
+
+ leaf range {
+ type uint32;
+ description
+ "Number of SRGB elements. The range
+ value MUST be greater than 0.";
+ }
+
+ leaf label {
+ type oc-mpls-types:mpls-label;
+ description
+ "The first value of the SRGB when
+ expressed as an MPLS label.";
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ uses isis-lsdb-undefined-subtlv;
+ }
+ }
+
+ container is-reachability {
+ when "../state/type = 'oc-isis-lsdb-types:IIS_NEIGHBORS'" {
+ description
+ "Include IIS_NEIGHBORS sub-TLV when the TLV type is 2.";
+ }
+ description
+ "This container describes list of ISIS neighbors and
+ attributes.";
+
+ reference
+ "ISO 10589, Intermediate System to Intermediate System
+ Intra- Domain Routeing Exchange Protocol for use in
+ Conjunction with the Protocol for Providing the
+ Connectionless-mode Network Service (ISO 8473),
+ International Standard 10589: 2002, Second Edition,
+ 2002. TLV 2.";
+
+ container neighbors {
+ description
+ "This container describes IS neighbors.";
+
+ list neighbor {
+ key "system-id";
+ description
+ "IS reachability neighbor attributes.";
+
+ leaf system-id {
+ type leafref {
+ path "../state/system-id";
+ }
+ description
+ "Reference to the system ID of the neighbor.";
+ }
+
+ uses isis-lsdb-neighbor;
+ }
+ }
+ }
+
+ container ipv4-internal-reachability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IPV4_INTERNAL_REACHABILITY'" {
+ description
+ "Include IPv4 internal reachability TLV when the TLV
+ type is specified as 128.";
+ }
+ description
+ "This container defines list of IPv4 internal reachability
+ information.";
+
+ reference
+ "RFC1195: OSI ISIS for IP and Dual Environments. RFC5302:
+ Domain-Wide Prefix Distribution with Two-Level IS-IS. TLV
+ 128";
+
+ container prefixes {
+ description
+ "This container describes IS prefixes.";
+
+ list prefix {
+ key "prefix";
+
+ description
+ "IPv4 prefixes and internal reachability attributes.";
+
+ leaf prefix {
+ type leafref {
+ path "../state/prefix";
+ }
+ description
+ "Reference to the IPv4 prefix";
+ }
+
+ uses ipv4-prefix-attributes-state;
+ }
+ }
+ }
+
+ container ipv4-external-reachability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IPV4_EXTERNAL_REACHABILITY'" {
+ description
+ "Include IPv4 external reachability when the TLV type
+ is set to 130.";
+ }
+ description
+ "This container defines list of IPv4 external reachability
+ information.";
+
+ reference
+ "RFC1195: OSI ISIS for IP and Dual Environments. RFC5302:
+ Domain-Wide Prefix Distribution with Two-Level IS-IS. TLV
+ 130";
+
+ container prefixes {
+ description
+ "This container describes IS neighbors.";
+
+ list prefix {
+ key "prefix";
+
+ description
+ "IPv4 external prefixes and reachability attributes.";
+
+ leaf prefix {
+ type leafref {
+ path "../state/prefix";
+ }
+ description
+ "Reference to the IPv4 prefix.";
+ }
+
+ uses ipv4-prefix-attributes-state;
+ }
+ }
+ }
+
+ container authentication {
+ when "../state/type = 'oc-isis-lsdb-types:AUTHENTICATION'" {
+ description
+ "Only include the authentication TLV when the TLV is
+ type 10.";
+ }
+ description
+ "This container defines authentication information of the
+ node.";
+
+ reference
+ "ISO 10589 Intermediate System to Intermediate System
+ Intra- Domain Routeing Exchange Protocol for use in
+ Conjunction with the Protocol for Providing the
+ Connectionless-mode Network Service (ISO 8473)
+ International Standard 10589: 2002, Second Edition, 2002.
+ TLV 10.";
+
+ container state {
+ description
+ "State parameters of TLV 10.";
+
+ leaf crypto-type {
+ type enumeration {
+ enum HMAC_MD5 {
+ description
+ "HMAC-MD5 Authentication type.";
+ }
+ enum CLEARTEXT {
+ description
+ "Cleartext Authentication type.";
+ }
+ }
+ description
+ "Authentication type to be used.";
+ }
+
+ leaf authentication-key {
+ type string;
+ description
+ "Authentication key to be used.";
+ }
+ }
+ }
+
+ container extended-is-reachability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:EXTENDED_IS_REACHABILITY'" {
+ description
+ "Only included the extended IS reachability TLV when the
+ TLV is type 22.";
+ }
+
+ description
+ "This container defines list of ISIS extended reachability
+ neighbors.";
+
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering. TLV
+ 22.";
+
+ container neighbors {
+ description
+ "This container describes IS neighbors.";
+
+ list neighbor {
+ key "system-id";
+ description
+ "This list describes ISIS extended neigbors and
+ reachability attributes.";
+
+ leaf system-id {
+ type leafref {
+ path "../state/system-id";
+ }
+ description
+ "Reference to the neighboring system's system ID.";
+ }
+
+ container state {
+ description
+ "State parameters of extended neighbor";
+
+ leaf system-id {
+ type oc-isis-types:system-id;
+ description
+ "System-id of the neighbor.";
+ }
+ leaf metric {
+ type oc-isis-types:wide-metric;
+ description
+ "Metric value.";
+ }
+ }
+ uses is-reachability-neighbor-state;
+ }
+ }
+ }
+
+ container extended-ipv4-reachability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:EXTENDED_IPV4_REACHABILITY'" {
+ description
+ "Only include the extended IPv4 reachability container
+ when the TLV type is 135.";
+ }
+ description
+ "This container defines list of IPv4 extended reachability
+ information.";
+
+ reference
+ "RFC5305: IS-IS Extensions for Traffic Engineering. TLV
+ 135";
+
+ container prefixes {
+ description
+ "This container describes IS prefixes.";
+
+ list prefix {
+ key "prefix";
+
+ description
+ "This list describes IPv4 extended prefixes and
+ attributes.";
+
+ leaf prefix {
+ type leafref {
+ path "../state/prefix";
+ }
+ description
+ "Reference to the IPv4 prefix that the TLV describes
+ the attributes of.";
+ }
+
+ uses ipv4-prefix-extended-state;
+ }
+ }
+ }
+
+ container ipv6-reachability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IPV6_REACHABILITY'" {
+ description
+ "Only include the IPv6 reachability container when the
+ TLV type is 236.";
+ }
+ description
+ "This container defines list of IPv6 reachability
+ information.";
+
+ reference
+ "RFC5308: Routing IPv6 with IS-IS. TLV 236";
+
+ container prefixes {
+ description
+ "This container describes IS prefixes.";
+
+ list prefix {
+ key "prefix";
+
+ description
+ "This list defines IPv6 extended prefix attributes.";
+
+ leaf prefix {
+ type leafref {
+ path "../state/prefix";
+ }
+ description
+ "Reference to the IPv6 prefix that the TLV
+ corresponds to.";
+ }
+
+ uses ipv6-prefix-extended-state;
+ }
+ }
+ }
+
+ container multi-topology {
+ when "../state/type = 'oc-isis-lsdb-types:MULTI_TOPOLOGY'" {
+ description
+ "Only include the multi-topology container when the TLV
+ is type 229.";
+ }
+
+ description
+ "This container defines the topology supported.";
+
+ reference
+ "RFC5120: M-ISIS: Multi Topology (MT) Routing in
+ Intermediate System to Intermediate Systems (IS-ISs). TLV
+ 229";
+
+ container topologies {
+ description
+ "This container describes IS topologies.";
+
+ list topology {
+ key "mt-id";
+
+ description
+ "This list describes a topology.";
+
+ leaf mt-id {
+ type leafref {
+ path "../state/mt-id";
+ }
+ description
+ "Reference to the multi-topology ID being described
+ by the list entry.";
+ }
+
+ container state {
+ description
+ "State parameters of IS multi-topology TLV 229.";
+
+ leaf mt-id {
+ type uint16 {
+ range "0 .. 4095";
+ }
+ description
+ "Multi-topology ID.";
+ }
+
+ leaf attributes {
+ type enumeration {
+ enum OVERLOAD {
+ description
+ "When set, node is overloaded, still part of
+ the topology but cannot be used for transit.";
+ }
+ enum ATTACHED {
+ description
+ "When set, node is attached to another area
+ using the referred metric and can be used as
+ default gateway.";
+ }
+ }
+ description
+ "Attributes of the LSP for the associated
+ topology.";
+ }
+ }
+ }
+ }
+ }
+
+ container isis-neighbor-attribute {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:IS_NEIGHBOR_ATTRIBUTE'" {
+ description
+ "Only include the neighbor attribute container when the
+ TLV is type 23.";
+ }
+ description
+ "This container defines list of ISIS topology neighbors
+ for extended ISIS LSP (multiple system IDs). ";
+
+ reference
+ "RFC5311: Simplified Extension of Link State PDU (LSP)
+ Space for IS-IS. TLV 23. It is identical in format to the
+ extended IS reachability TLV 22.";
+
+ container neighbors {
+ description
+ "This container describes IS neighbors.";
+
+ list neighbor {
+ key "system-id";
+
+ leaf system-id {
+ type leafref {
+ path "../state/system-id";
+ }
+ description
+ "Reference to the neighboring IS";
+ }
+
+ container state {
+ description
+ "State parameters of extended neighbor.";
+
+ leaf system-id {
+ type oc-isis-types:system-id;
+ description
+ "System-id of the neighbor.";
+ }
+ leaf metric {
+ type oc-isis-types:wide-metric;
+ description
+ "Metric value.";
+ }
+ }
+ uses is-reachability-neighbor-state;
+
+ description
+ "This list defines ISIS extended reachability neighbor
+ attributes.";
+ }
+ }
+ }
+
+ container is-alias-id {
+ when "../state/type = 'oc-isis-lsdb-types:ISIS_ALIAS_ID'" {
+ description
+ "Only include the ISIS alias ID container when the TLV
+ is type 24.";
+ }
+
+ description
+ "This container defines the IS-Alias TLV which allows
+ extension-capable ISs to recognize the Originating System
+ of an Extended LSP set. It identifies the Normal system-
+ id of the Originating System.";
+
+ reference
+ "RFC5311: Simplified Extension of Link State PDU (LSP)
+ Space for IS-IS TLV 24.";
+
+ container state {
+ config false;
+ description
+ "State parameters of alias ID.";
+
+ leaf alias-id {
+ type oc-isis-types:system-id;
+ description
+ "List of alias ID(s).";
+ }
+ }
+ }
+
+ container mt-isn {
+ when "../state/type = 'oc-isis-lsdb-types:MT_ISN'" {
+ description
+ "Only include the MT ISN container when the TLV is type
+ 222.";
+ }
+ description
+ "This container defines list of ISIS multi-topology
+ neighbors.";
+
+ reference
+ "RFC5120: M-ISIS: Multi Topology (MT) Routing in
+ Intermediate System to Intermediate Systems (IS-ISs). TLV
+ 222.";
+
+ container neighbors {
+ description
+ "MT-IS neigbor attributes.";
+
+ list neighbor {
+ key "mt-id system-id";
+ description
+ "This container describes IS neighbors.";
+
+ leaf mt-id {
+ type leafref {
+ path "../state/mt-id";
+ }
+ description
+ "Reference to the topology that the neighbor is
+ within.";
+ }
+
+ leaf system-id {
+ type leafref {
+ path "../state/system-id";
+ }
+ description
+ "Reference to the System ID of the neighbor.";
+ }
+
+ uses mt-isis-neighbor;
+ }
+ }
+ }
+
+ container mt-isis-neighbor-attribute {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:MT_IS_NEIGHBOR_ATTRIBUTE'" {
+ description
+ "Only include the MT ISIS neighbor attribute container
+ when the TLV is type 223.";
+ }
+
+ description
+ "This container defines list of ISIS multi-topology
+ neighbors.";
+
+ reference
+ "RFC5311: Simplified Extension of Link State PDU (LSP)
+ Space for IS-IS. TLV 223. It is identical in format to the
+ MT-ISN TLV 222.";
+
+ container neighbors {
+ description
+ "This container describes IS neighbors.";
+
+ list neighbor {
+ key "mt-id system-id";
+ description
+ "List of multi-topology neighbors.";
+
+ leaf mt-id {
+ type leafref {
+ path "../state/mt-id";
+ }
+ description
+ "Reference to the topology that the neighbor is
+ within.";
+ }
+
+ leaf system-id {
+ type leafref {
+ path "../state/system-id";
+ }
+ description
+ "Reference to the system ID of the neighbor";
+ }
+
+ uses mt-isis-neighbor;
+ }
+ }
+ }
+
+ container mt-ipv4-reachability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:MT_IPV4_REACHABILITY'" {
+ description
+ "Only include the multi-topology IPv4 reachability
+ container when the TLV is type 235.";
+ }
+ description
+ "This container defines list of IPv4 reachability
+ Information in multi-topology environment.";
+
+ reference
+ "RFC5120: M-ISIS: Multi Topology (MT) Routing in
+ Intermediate System to Intermediate Systems (IS-ISs). TLV
+ 235.";
+
+ container prefixes {
+ description
+ "This container describes IS prefixes.";
+
+ list prefix {
+ key "mt-id prefix";
+
+ leaf mt-id {
+ type leafref {
+ path "../state/mt-id";
+ }
+ description
+ "Reference to the topology ID of the topology that
+ the prefix is within.";
+ }
+
+ leaf prefix {
+ type leafref {
+ path "../state/prefix";
+ }
+ description
+ "Reference to the prefix to which reachability is
+ being advertised.";
+ }
+
+ description
+ "IPv4 prefixes that are contained within MT
+ reachability TLV.";
+
+ uses ipv4-mt-prefix-extended-state;
+ }
+ }
+ }
+
+ container mt-ipv6-reachability {
+ when "../state/type = " +
+ "'oc-isis-lsdb-types:MT_IPV6_REACHABILITY'" {
+ description
+ "Only include the multi-topology IPv6 reachability
+ container when the TLV is type 237.";
+ }
+ description
+ "This container defines list of IPv6 reachability
+ information in multi - topology environment.";
+
+ reference
+ "RFC5120: M-ISIS: Multi Topology (MT) Routing in
+ Intermediate System to Intermediate Systems (IS-ISs). TLV
+ 237.";
+
+ container prefixes {
+ description
+ "This container describes IS prefixes.";
+
+ list prefix {
+ key "prefix mt-id";
+ description
+ "List of IPv6 prefixes contained within MT
+ reachability TLV.";
+
+ leaf prefix {
+ type leafref {
+ path "../state/prefix";
+ }
+ description
+ "Reference to the IPv6 prefix described by the
+ TLV.";
+ }
+
+ leaf mt-id {
+ type leafref {
+ path "../state/mt-id";
+ }
+ description
+ "Reference to the multi-topology ID.";
+ }
+
+ uses ipv6-mt-prefix-extended-state;
+ }
+ }
+ }
+ }
+ }
+
+ uses isis-lsdb-undefined-tlv;
+ }
+}