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frr-isisd.yang
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// SPDX-License-Identifier: BSD-2-Clause
module frr-isisd {
yang-version 1.1;
namespace "http://frrouting.org/yang/isisd";
prefix frr-isisd;
import ietf-yang-types {
prefix yang;
}
import ietf-inet-types {
prefix inet;
}
import frr-interface {
prefix frr-interface;
}
import frr-vrf {
prefix frr-vrf;
}
import frr-route-map {
prefix frr-route-map;
}
import frr-route-types {
prefix frr-route-types;
}
organization
"FRRouting";
contact
"FRR Users List: <mailto:frog@lists.frrouting.org> FRR Development
List: <mailto:dev@lists.frrouting.org>";
description
"This module defines a model for managing FRR isisd daemon.
Copyright 2020 FRRouting
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.";
revision 2021-02-15 {
description
"Group SRGB and SRLB in a container so that they can be displayed
and configured together";
}
revision 2020-04-06 {
description
"Group LSP timers in a container so that they can be displayed and
configured together";
}
revision 2019-12-17 {
description
"Changed default area is-type to level-1-2";
}
revision 2019-09-09 {
description
"Changed interface references to use
frr-interface:interface-ref typedef";
}
revision 2018-07-26 {
description
"Initial revision.";
reference
"ISO/IEC 10589:2002.";
}
typedef level {
type enumeration {
enum "level-1" {
value 1;
description
"This enum indicates L1-only capability.";
}
enum "level-2" {
value 2;
description
"This enum indicates L2-only capability.";
}
enum "level-1-2" {
value 3;
description
"This enum indicates capability for both levels.";
}
}
description
"This type defines IS-IS level of an object.";
}
typedef extended-circuit-id {
type uint32;
description
"This type defines the extended circuit ID
associated with an interface.";
}
typedef hello-padding-type {
type enumeration {
enum "always" {
value 0;
description
"Add padding to all hello packets.";
}
enum "disabled" {
value 1;
description
"Do not add any padding to hello packets.";
}
enum "during-adjacency-formation" {
value 2;
description
"Add padding to hello packets during adjacency formation only.";
}
}
}
typedef network-type {
type enumeration {
enum "unknown" {
value 0;
description
"Unknown network type. Only valid as a state.";
}
enum "broadcast" {
value 1;
description
"Broadcast circuit network-type.";
}
enum "point-to-point" {
value 2;
description
"Point-to-point circuit network-type.";
}
enum "loopback" {
value 3;
description
"Loopback circuit network-type. Only valid as a state.";
}
}
}
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 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 MAC address like
'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 IS-IS system-id using a pattern,
An example system-id is 0143.0438.AeF0";
}
typedef net-address {
type string {
pattern "[a-fA-F0-9]{2}(\\.[a-fA-F0-9]{4}){3,9}\\.[a-fA-F0-9]{2}";
}
description
"This type defines an OSI NET address using a pattern,
An example net-address is 49.0123.6452.1972.00";
}
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 adj-state-type {
type enumeration {
enum "up" {
value 0;
description
"State indicates the adjacency is established.";
}
enum "down" {
value 1;
description
"State indicates the adjacency is NOT established.";
}
enum "init" {
value 2;
description
"State indicates the adjacency is establishing.";
}
enum "failed" {
value 3;
description
"State indicates the adjacency is failed.";
}
}
description
"This type defines states of an adjacency";
}
typedef metric-style-type {
type enumeration {
enum "narrow" {
value 0;
description
"This enum describes narrow metric style";
reference
"RFC1195";
}
enum "wide" {
value 1;
description
"This enum describes wide metric style";
reference
"RFC5305";
}
enum "transition" {
value 2;
description
"This enum describes transition metric style";
}
}
}
typedef access-list-ref {
type string;
}
typedef prefix-list-ref {
type string;
}
grouping redistribute-attributes {
description
"Common optional attributes of any redistribute entry.";
leaf route-map {
type frr-route-map:route-map-ref;
description
"Applies the conditions of the specified route-map to routes that
are redistributed into this routing instance.";
}
leaf metric {
type uint32 {
range "0..16777215";
}
default "0";
description
"Metric used for the redistributed route. If 0,
the default-metric attribute is used instead.";
}
}
grouping redistribute-default {
description
"Redistribution of default route within a level.";
leaf always {
type boolean;
default "false";
description
"Always advertise default route.";
}
uses redistribute-attributes;
}
grouping isis-password {
description
"Authentication attributes or an IS-IS area or domain.";
leaf password {
type string {
length "1..254";
}
mandatory true;
description
"Actual password.";
}
leaf password-type {
type enumeration {
enum "clear" {
value 1;
description
"Clear-text password type.";
}
enum "md5" {
value 54;
description
"MD5 password type.";
}
}
mandatory true;
description
"Type of password used.";
}
}
grouping isis-area-password {
uses isis-password;
leaf authenticate-snp {
type enumeration {
enum "none" {
value 0;
description
"No SNP authentication.";
}
enum "send-only" {
value 1;
description
"Send authenticated PDUs but do not check on receiving.";
}
enum "validate" {
value 3;
description
"Send authenticated PDUs and check on receiving.";
}
}
default "none";
description
"SNP PDUs authentication.";
}
}
grouping global-config-lfa {
container lfa {
description
"LFA configuration.";
leaf load-sharing {
type boolean;
default "true";
description
"Load share prefixes across multiple backups.";
}
leaf priority-limit {
type enumeration {
enum "critical" {
value 0;
description
"Compute for critical priority prefixes only.";
}
enum "high" {
value 1;
description
"Compute for critical & high priority prefixes.";
}
enum "medium" {
value 2;
description
"Compute for critical, high & medium priority prefixes.";
}
}
description
"Limit backup computation up to the prefix priority.";
}
list tiebreaker {
key "index";
unique "type";
description
"Configure tiebreaker for multiple backups.";
leaf index {
type uint8 {
range "1..255";
}
description
"Preference order among tiebreakers.";
}
leaf type {
type enumeration {
enum "downstream" {
value 0;
description
"Prefer backup path via downstream node.";
}
enum "lowest-backup-metric" {
value 1;
description
"Prefer backup path with lowest total metric.";
}
enum "node-protecting" {
value 2;
description
"Prefer node protecting backup path.";
}
}
mandatory true;
description
"Tiebreaker type.";
}
}
}
}
grouping global-config-remote-lfa {
container remote-lfa {
description
"Remote LFA configuration.";
leaf prefix-list {
type prefix-list-ref;
description
"Filter PQ node router ID based on prefix list.";
}
}
}
grouping interface-config-lfa {
container lfa {
description
"LFA configuration.";
leaf enable {
type boolean;
default false;
description
"Enables LFA computation.";
}
leaf-list exclude-interface {
type frr-interface:interface-ref;
description
"Exclude an interface from computation.";
}
}
}
grouping interface-config-remote-lfa {
container remote-lfa {
description
"Remote LFA configuration.";
leaf enable {
type boolean;
default false;
description
"Enables remote LFA computation using LDP tunnels.";
must ". = 'false' or ../../lfa/enable = 'true'" {
error-message
"Remote LFA depends on classic LFA being configured in the interface.";
}
}
leaf maximum-metric {
type uint32 {
range "1..16777215";
}
description
"Limit remote LFA node selection within the metric.";
}
}
}
grouping interface-config-ti-lfa {
container ti-lfa {
description
"TI-LFA configuration.";
leaf enable {
must ". = 'false' or ../../lfa/enable = 'false'" {
error-message
"Can't enable both classic LFA and TI-LFA in the same interface.";
}
type boolean;
default false;
description
"Enables TI-LFA computation.";
}
leaf node-protection {
type boolean;
must ". = 'false' or ../enable = 'true'";
default false;
description
"Node protection is provided by the alternate.";
}
leaf link-fallback {
type boolean;
must ". = 'false' or ../enable = 'true'";
default false;
description
"Fallback to link protection.";
}
}
}
grouping interface-config {
description
"Interface configuration grouping";
leaf area-tag {
type string;
mandatory true;
description
"Area-tag associated to this circuit.";
}
leaf ipv4-routing {
type boolean;
default "false";
description
"Routing IS-IS IPv4 traffic over this circuit.";
}
leaf ipv6-routing {
type boolean;
default "false";
description
"Routing IS-IS IPv6 traffic over this circuit.";
}
leaf circuit-type {
type level;
default "level-1-2";
description
"IS-type of this circuit.";
}
container bfd-monitoring {
leaf enabled {
type boolean;
default "false";
description
"Monitor IS-IS peers on this circuit.";
}
leaf profile {
type string;
description
"Let BFD use a pre-configured profile.";
}
}
container csnp-interval {
description
"Complete Sequence Number PDU (CSNP) generation interval.";
leaf level-1 {
type uint16 {
range "1..600";
}
units "seconds";
default "10";
description
"CNSP interval for level-1";
}
leaf level-2 {
type uint16 {
range "1..600";
}
units "seconds";
default "10";
description
"CNSP interval for level-2";
}
}
container psnp-interval {
description
"Partial Sequence Number PDU (PSNP) generation interval.";
leaf level-1 {
type uint16 {
range "1..120";
}
units "seconds";
default "2";
description
"PNSP interval for level-1";
}
leaf level-2 {
type uint16 {
range "1..120";
}
units "seconds";
default "2";
description
"PCNSP interval for level-2";
}
}
container hello {
description
"Parameters related to IS-IS hello PDUs.";
leaf padding {
type hello-padding-type;
default "always";
description
"Type of padding for IS-IS hello packets.";
}
container interval {
description
"Interval between consecutive hello messages.";
leaf level-1 {
type uint32 {
range "1..600";
}
units "seconds";
default "3";
description
"Holding time for level-1; interval will depend on multiplier.";
}
leaf level-2 {
type uint32 {
range "1..600";
}
units "seconds";
default "3";
description
"Holding time for level-2; interval will depend on multiplier.";
}
}
container multiplier {
description
"Multiplier for the hello messages holding time.";
leaf level-1 {
type uint16 {
range "2..100";
}
default "10";
description
"Multiplier for the hello holding time.";
}
leaf level-2 {
type uint16 {
range "2..100";
}
default "10";
description
"Multiplier for the hello holding time.";
}
}
}
container metric {
description
"Default metric for this IS-IS circuit.";
leaf level-1 {
type uint32 {
range "0..16777215";
}
must ". < 64 or not(/frr-isisd:isis/instance[area-tag = current()/../../area-tag]/metric-style) or /frr-isisd:isis/instance[area-tag = current()/../../area-tag]/metric-style != 'narrow'";
default "10";
description
"Default level-1 metric for this IS-IS circuit.";
}
leaf level-2 {
type uint32 {
range "0..16777215";
}
must ". < 64 or not(/frr-isisd:isis/instance[area-tag = current()/../../area-tag]/metric-style) or /frr-isisd:isis/instance[area-tag = current()/../../area-tag]/metric-style != 'narrow'";
default "10";
description
"Default level-2 metric for this IS-IS circuit.";
}
}
container priority {
description
"Priority for Designated Router election.";
leaf level-1 {
type uint8 {
range "0..127";
}
default "64";
description
"Level-1 priority for this IS-IS circuit.";
}
leaf level-2 {
type uint8 {
range "0..127";
}
default "64";
description
"Level-2 priority for this IS-IS circuit.";
}
}
leaf network-type {
type network-type;
must "(. = \"point-to-point\") or (. = \"broadcast\")";
default "broadcast";
description
"Explicitly configured type of IS-IS circuit (broadcast or point-to-point).";
}
leaf passive {
type boolean;
default "false";
description
"Interface is in passive mode.";
}
container password {
presence "Present if a password is set for this IS interface.";
uses isis-password;
}
leaf disable-three-way-handshake {
type boolean;
default "false";
description
"Disables three-way handshake when creating new adjacencies.";
}
container multi-topology {
description
"IS-IS topologies configured on this circuit.";
leaf standard {
type boolean;
default "true";
description
"Standard (IPV4 unicast) topology.";
}
leaf ipv4-multicast {
type boolean;
default "true";
description
"IPv4 multicast topology.";
}
leaf ipv4-management {
type boolean;
default "true";
description
"IPv4 management topology.";
}
leaf ipv6-unicast {
type boolean;
default "true";
description
"IPv6 unicast topology.";
}
leaf ipv6-multicast {
type boolean;
default "true";
description
"IPv6 multicast topology.";
}
leaf ipv6-management {
type boolean;
default "true";
description
"IPv6 management topology.";
}
leaf ipv6-dstsrc {
type boolean;
default "true";
description
"IPv6 destination-source topology.";
}
}
container mpls {
description
"Configuration of MPLS parameters";
leaf ldp-sync {
type boolean;
default "true";
description
"Enable MPLS LDP-Sync functionality on this circuit.";
}
leaf holddown {
type uint16 {
range "0..10000";
}
units "seconds";
description
"Time to wait for LDP-Sync to occur before restoring interface metric.";
}
}
container fast-reroute {
description
"Interface IP Fast-reroute configuration.";
container level-1 {
description
"Level-1 IP Fast-reroute configuration.";
uses interface-config-lfa;
uses interface-config-remote-lfa;
uses interface-config-ti-lfa;
}
container level-2 {
description
"Level-2 IP Fast-reroute configuration.";
uses interface-config-lfa;
uses interface-config-remote-lfa;
uses interface-config-ti-lfa;
}
}
}
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 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
"Circuit ID of the neighbor";
}
leaf neighbor-snpa {
type snpa;
description
"SNPA of the neighbor";
}
leaf hold-timer {
type uint16;
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 DIS.";
}
leaf state {
type adj-state-type;
description
"This leaf describes the state of the interface.";
}
uses adjacency-sids;
uses lan-adjacency-sids;
}
}
}
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 PPP 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.";
}
}
}
grouping interface-state {
description
"IS-IS interface operational state.";
uses adjacency-state;
uses event-counters;
}
grouping notification-instance-hdr {
description
"Instance specific IS-IS notification data grouping";
leaf routing-instance {
type string;
description
"Name of the routing-instance instance.";
}
leaf routing-protocol-name {
type string;
description
"Name of the IS-IS instance.";
}