module ietf-rift {
yang-version 1.1;
namespace "urn:ietf:params:xml:ns:yang:ietf-rift";
prefix rift;
import ietf-inet-types {
prefix inet;
reference
"RFC 6991: Common YANG Data Types";
}
import ietf-yang-types {
prefix yang;
reference
"RFC 6991: Common YANG Data Types";
}
import ietf-routing {
prefix rt;
reference
"RFC 8349: A YANG Data Model for Routing Management
(NMDA Version)";
}
import ietf-interfaces {
prefix if;
reference
"RFC 8343: A YANG Data Model for Interface Management";
}
import ietf-routing-types {
prefix rt-types;
reference
"RFC 8294: Common YANG Data Types for the Routing Area";
}
import iana-routing-types {
prefix iana-rt-types;
reference
"RFC 8294: Common YANG Data Types for the Routing Area";
}
import ietf-key-chain {
prefix key-chain;
reference
"RFC 8177: YANG Data Model for Key Chains";
}
organization
"IETF RIFT (Routing In Fat Trees) Working Group";
contact
"WG Web:
WG List:
Author: Zheng (Sandy) Zhang
Author: Yuehua Wei
Author: Shaowen Ma
Author: Xufeng Liu
Author: Bruno Rijsman
";
description
"This YANG module defines the generic configuration and
operational state for the RIFT protocol common to all
vendor implementations. It is intended that the module
will be extended by vendors to define vendor-specific
RIFT configuration parameters and policies --
for example, route maps or route policies.
Copyright (c) 2025 IETF Trust and the persons identified as
authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with or
without modification, is permitted pursuant to, and subject to
the license terms contained in, the Revised BSD License set
forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents
(https://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC 9719
(https://www.rfc-editor.org/info/rfc9719); see the RFC itself
for full legal notices.
The key words 'MUST', 'MUST NOT', 'REQUIRED', 'SHALL', 'SHALL
NOT', 'SHOULD', 'SHOULD NOT', 'RECOMMENDED', 'NOT RECOMMENDED',
'MAY', and 'OPTIONAL' in this document are to be interpreted as
described in BCP 14 (RFC 2119) (RFC 8174) when, and only when,
they appear in all capitals, as shown here.";
revision 2025-04-04 {
description
"Initial revision.";
reference
"RFC 9719: YANG Data Model for Routing in Fat Trees
(RIFT).";
}
/*
* Features
*/
feature nonce-delta-adjust {
description
"Support weak nonce delta adjusting that is used in
security.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.";
}
feature label-switching {
description
"Support label switching for instance distinguishing.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.8.8";
}
feature tie-security {
description
"Support security function for the TIE exchange.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.3.";
}
feature link-security {
description
"Support security function of link.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.";
}
typedef system-id {
type string {
pattern
'[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}\.[0-9A-Fa-f]{4}';
}
description
"This type defines the pattern for RIFT System IDs.
An example of a System ID is 0021.2FFF.FEB5.6E10.";
}
typedef level {
type uint8 {
range "0 .. 24";
}
default "0";
description
"The value of node level.
Clos and Fat Tree networks are topologically partially
ordered graphs and 'level' denotes the set of nodes at
the same height in such a network.
Nodes at the top level (i.e., ToF) are at the level with
the highest value and count down to the nodes
at the bottom level (i.e., leaf) with the lowest value.
In RIFT, level 0 always indicates that a node is a leaf,
but does not have to be level 0.
Level values can be configured manually or automatically
derived.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.7.";
}
typedef ieee802-1as-timestamp {
type uint64;
units "seconds";
description
"Timestamp per IEEE802.1AS. It is advertised with prefix
to achieve mobility.";
reference
"RFC 9692: RIFT: Routing in Fat Trees. Section 6.8.4.
IEEE8021AS: Timing and Synchronization for Time-Sensitive
Applications in Bridged Local Area Networks";
}
/*
* Identity
*/
identity rift {
base rt:routing-protocol;
description
"Identity for the RIFT routing protocol.";
reference
"RFC 9692: RIFT: Routing in Fat Trees";
}
/*
* Groupings
*/
grouping address-families {
leaf-list address-families {
type iana-rt-types:address-family;
description
"Indication which address families are up on the
interface.";
}
description
"Containing address families on the interface.";
}
grouping hierarchy-indications {
leaf hierarchy-indications {
type enumeration {
enum leaf-only {
description
"The node will never leave the
'bottom of the hierarchy'.
When this value is set, the 'configured-level'
is the minimum level value.";
}
enum leaf-only-and-leaf-2-leaf-procedures {
description
"This means leaf to leaf.
When this value is set, the 'configured-level'
is the minimum level value.";
}
enum top-of-fabric {
description
"The node is 'top of fabric'.
When this value is set, the 'configured-level'
is the maximum level value.";
}
}
description
"The hierarchy indications of this node.";
}
description
"Flags indicating node configuration in case of ZTP.";
}
grouping node-capability {
leaf proto-minor-ver {
type uint16;
description
"Represents the minor protocol encoding schema
version of this node.";
}
leaf flood-reduction {
type boolean;
description
"If the value is set to 'true', it means that
this node enables the flood reduction function.";
}
container hierarchy-indications {
config false;
description
"The hierarchy-indications of the node.";
uses hierarchy-indications;
}
description
"The supported capabilities of this node.";
}
grouping tie-type {
leaf tie-type {
type enumeration {
enum illegal {
description
"The illegal TIE.";
}
enum min-tie-type {
description
"The minimum TIE.";
}
enum node {
description
"The node TIE.";
}
enum prefix {
description
"The prefix TIE.";
}
enum positive-disaggregation-prefix {
description
"The positive disaggregation prefix TIE.";
}
enum negative-disaggregation-prefix {
description
"The negative disaggregation prefix TIE.";
}
enum pgp-prefix {
description
"The policy guide prefix TIE.";
}
enum key-value {
description
"The key value TIE.";
}
enum external-prefix {
description
"The external prefix TIE.";
}
enum positive-external-disaggregation-prefix {
description
"The positive external disaggregation prefix TIE.";
}
enum max-tie-type {
description
"The maximum TIE.";
}
}
description
"The types of TIE.";
}
description
"The types of TIE.";
}
grouping prefix-attribute {
leaf metric {
type uint32;
description
"The metric of this prefix.";
}
leaf-list tags {
type uint64;
description
"The tags of this prefix.";
}
container monotonic-clock {
container prefix-sequence-type {
leaf timestamp {
type ieee802-1as-timestamp;
mandatory true;
description
"The timestamp per 802.1AS can be advertised
with the desired prefix North TIEs.";
}
leaf transaction-id {
type uint8;
description
"As per RFC 8505, a sequence number called a
Transaction ID (TID) with a prefix can be
advertised.";
reference
"RFC 8505: Registration Extensions for IPv6 over
Low-Power Wireless Personal Area Network (6LoWPAN)
Neighbor Discovery";
}
description
"The prefix sequence attribute that can be advertised
for mobility.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.8.4.";
}
description
"The monotonic clock for mobile addresses.";
}
leaf loopback {
type boolean;
description
"If the value is set to 'true', it
indicates if the interface is a node loopback.
The node's loopback address can be injected into
Prefix North and Prefix South TIEs for node reachability.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.4.";
}
leaf directly-attached {
type boolean;
description
"If the value is set to 'true', it indicates that the
prefix is directly attached, i.e., should be routed to
even if the node is in overload.";
}
leaf from-link {
type uint32;
description
"In case of locally originated prefixes,
i.e., interface addresses this can describe which
link the address belongs to.";
}
leaf label {
type uint32;
description
"Per prefix significant label.";
reference
"RFC 9692: RIFT: Routing in Fat Trees";
}
description
"The attributes of the prefix.";
}
grouping security {
leaf security-type {
type enumeration {
enum public {
description
"When using Public Key Infrastructure (PKI),
the public and shared key can be used to verify
the original packet exchanged with the neighbor.";
}
enum private {
description
"When using Public Key Infrastructure (PKI),
the private key can be used by the Security
fingerprint originating node to create the signature.";
}
}
description
"The security type.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.";
}
leaf shared {
type boolean;
description
"When using Public Key Infrastructure (PKI),
if the key is shared.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.";
}
choice auth-key-chain {
description
"Key chain or explicit key parameter specification.";
case auth-key-chain {
leaf key-chain {
type key-chain:key-chain-ref;
description
"key-chain name.";
reference
"RFC 8177: YANG Data Model for Key Chains";
}
}
case auth-key-explicit {
leaf key {
type string;
description
"Authentication key. The length of the key may be
dependent on the cryptographic algorithm.";
}
leaf crypto-algorithm {
type identityref {
base key-chain:crypto-algorithm;
}
description
"Cryptographic algorithm associated with key.";
reference
"RFC 8177: YANG Data Model for Key Chains";
}
}
}
description
"The security parameters.";
}
grouping base-node-info {
leaf node-level {
type level;
config false;
description
"The level of this node.";
}
leaf system-id {
type system-id;
mandatory true;
description
"Each node is identified via a system-id that is 64
bits wide.";
}
leaf fabric-id {
type uint16;
description
"The optional id of the fabric.";
}
leaf pod {
type uint32 {
range "1..max";
}
description
"The identifier of the Point of Delivery (PoD).
A PoD is the self-contained vertical slice of a
Clos or Fat Tree network containing normally only leaf
nodes (level 0) and their immediate northbound
neighbors. It communicates with nodes
in other PoDs via the spine. Making this leaf
unspecified indicates that the PoD is 'undefined'.";
}
description
"The base information of a node.";
} // base-node-info
grouping link-capabilities {
leaf bfd-capable {
type boolean;
default "true";
description
"If this value is set to 'true', it means that
BFD function is enabled on the neighbor.";
reference
"RFC 5881: Bidirectional Forwarding Detection (BFD)
for IPv4 and IPv6 (Single Hop)";
}
leaf v4-forwarding-capable {
type boolean;
default "true";
description
"If this value is set to 'true', it means that
the neighbor supports v4 forwarding.";
}
leaf mtu-size {
type uint32;
default "1400";
description
"MTU of the link.";
}
description
"The features of neighbor.";
} // link-capabilities
grouping addresses {
leaf ipv4 {
type inet:ipv4-address-no-zone;
description
"IPv4 address to be used.";
}
leaf ipv6 {
type inet:ipv6-address-no-zone;
description
"IPv6 address to be used.";
}
description
"IPv4 and/or IPv6 address to be used.";
}
grouping lie-elements {
leaf label {
if-feature "label-switching";
type uint32;
description
"A locally significant, downstream assigned by
the neighbor, interface-specific label that may
be advertised in its LIEs.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.8.8.";
}
leaf you-are-flood-repeater {
type boolean;
description
"If the neighbor on this link is flooding repeater.
When this value is set to 'true', the value can be
carried in exchanged packet.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.3.9.";
}
leaf not-a-ztp-offer {
type boolean;
description
"When this value is set to 'true', the flag can be
carried in the LIE packet. When the value received
in the LIE from neighbor, it indicates the level on
the LIE MUST NOT be used to derive a ZTP level by
the receiving node.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.7.";
}
leaf you-are-sending-too-quickly {
type boolean;
description
"Can be optionally set to indicate to neighbor that
packet losses are seen on reception based on packet
numbers or the rate is too high. The receiver SHOULD
temporarily slow down flooding rates. When this value
is set to 'true', the flag can be carried in packet.";
}
description
"The elements set in the LIEs.";
} // lie-elements
grouping link-id-pair {
leaf local-id {
type uint32;
description
"The local-id of link connect to this neighbor.";
}
leaf remote-id {
type uint32;
description
"The remote-id to reach this neighbor.";
}
leaf if-index {
type uint32;
description
"The local index of this interface.";
}
leaf if-name {
type if:interface-ref;
description
"The name of this interface.";
}
uses address-families;
description
"A pair of local and remote link-id to identify a link
between two nodes.";
} // link-id-pair
grouping neighbor-node {
list link-id-pair {
key "remote-id";
uses link-id-pair;
description
"The multiple parallel links to this neighbor.";
}
leaf cost {
type uint32;
description
"The cost value advertised by the neighbor.";
}
leaf bandwidth {
type uint32;
units "bits";
description
"Total bandwidth to the neighbor, this will be
normally sum of the bandwidths of all the
parallel links.";
}
container received-link-capabilities {
uses link-capabilities;
description
"The link capabilities advertised by the neighbor.";
}
description
"The neighbor information indicated in node TIE.";
} // neighbor-node
grouping neighbor {
leaf proto-major-ver {
type uint8;
description
"Represents protocol encoding schema major version of
this neighbor.";
}
leaf proto-minor-ver {
type uint16;
description
"Represents protocol encoding schema minor version of
this neighbor.";
}
container sent-offer {
leaf level {
type level;
description
"The level value.";
}
leaf not-a-ztp-offer {
type boolean;
description
"If the value is set to 'true', it indicates the
level on the LIE MUST NOT be used to derive a
ZTP level by the neighbor.";
}
description
"The level sent to the neighbor in case the neighbor
needs to be offered.";
}
container received-offer {
leaf level {
type level;
description
"The level value.";
}
leaf not-a-ztp-offer {
type boolean;
description
"If the value is set to 'true', it indicates the
level on the received LIE MUST NOT be used to
derive a ZTP level.";
}
leaf best {
type boolean;
description
"If the value is set to 'true', it means that
the level is the best level received from all
the neighbors.";
}
leaf removed-from-consideration {
type boolean;
description
"If the value is set to 'true', it means that
the level value is not considered to be used.";
}
leaf removal-reason {
when "../removed-from-consideration='true'" {
description
"The level value is not considered to be used.";
}
type string;
description
"The reason why this value is not considered to
be used.";
}
description
"The level offered to the interface from the neighbor.
And if the level value is considered to be used.";
}
container received-source-addr {
uses addresses;
description
"The source address of LIE and TIE packets from
the neighbor.";
} // received-offer
uses neighbor-node;
container received-in-lies {
uses lie-elements;
description
"The attributes received from this neighbor.";
}
leaf nbr-flood-port {
type inet:port-number;
default "915";
description
"The UDP port which is used by the neighbor to flood
TIEs.";
}
leaf tx-flood-port {
type inet:port-number;
default "915";
description
"The UDP port which is used by the node to flood
TIEs to the neighbor.";
}
leaf bfd-state {
type enumeration {
enum up {
description
"The link is protected by established BFD session.";
}
enum down {
description
"The link is not protected by established BFD session.";
}
}
description
"The link is protected by established BFD session or not.";
}
leaf outer-security-key-id {
type uint8;
description
"The received security key id from the neighbor.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.3.";
}
description
"The neighbor information.";
} // neighbor
grouping link-direction-type {
leaf link-direction-type {
type enumeration {
enum illegal {
description
"Illegal direction.";
}
enum south {
description
"A link to a node one level down.";
}
enum north {
description
"A link to a node one level up.";
}
enum east-west {
description
"A link to a node in the same level.";
}
enum max {
description
"The max value of direction.";
}
}
config false;
description
"The type of link.";
}
description
"The type of link.";
} // link-direction-type
grouping tie-direction-type {
leaf tie-direction-type {
type enumeration {
enum illegal {
description
"Illegal direction.";
}
enum south {
description
"The direction to a node one level down.";
}
enum north {
description
"The direction to a node one level up.";
}
enum max {
description
"The max value of direction.";
}
}
config false;
description
"The direction type of TIE.";
}
description
"The direction type of TIE.";
} // tie-direction-type
grouping spf-direction-type {
leaf spf-direction-type {
type enumeration {
enum n-spf {
description
"A reachability calculation that is progressing
northbound, as example SPF that is using South
Node TIEs only. Normally it progresses a single
hop only and installs default routes.";
}
enum s-spf {
description
"A reachability calculation that is progressing
southbound, as example SPF that is using North
Node TIEs only.";
}
}
config false;
description
"The direction type of SPF calculation.";
}
description
"The direction type of SPF calculation.";
} // spf-direction-type
grouping tie-header {
uses tie-direction-type;
leaf originator {
type system-id;
description
"The originator's system-id of this TIE.";
}
uses tie-type;
leaf tie-number {
type uint32;
description
"The number of this TIE.";
}
leaf seq {
type uint64;
description
"The sequence number of a TIE.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.3.1.";
}
leaf size {
type uint32;
description
"The size of this TIE.";
}
leaf origination-time {
type ieee802-1as-timestamp;
description
"Absolute timestamp when the TIE was generated.
This can be used on fabrics with synchronized
clock to prevent lifetime modification attacks.";
}
leaf origination-lifetime {
type uint32;
units "seconds";
description
"Original lifetime when the TIE was generated.
This can be used on fabrics with synchronized clock
to prevent lifetime modification attacks.";
}
leaf remaining-lifetime {
type uint32;
units "seconds";
description
"The remaining lifetime of the TIE.";
}
description
"TIEs are exchanged between RIFT nodes to describe parts
of a network such as links and address prefixes.
This is the TIE header information.";
} // tie-header
/*
* Data nodes
*/
augment "/rt:routing/rt:control-plane-protocols"
+ "/rt:control-plane-protocol" {
when "derived-from-or-self(rt:type, 'rift:rift')" {
description
"This augment is only valid when routing protocol
instance type is 'RIFT'.";
}
description
"RIFT ( Routing in Fat Trees ) YANG model.";
list rift {
key "name";
leaf name {
type string;
description
"The RIFT instance's name.";
}
container global {
description
"The global configuration and status of
this RIFT protocol instance.";
uses base-node-info;
leaf fabric-prefix {
type inet:ip-prefix;
description
"The configured fabric prefix.";
}
leaf fabric-prefix-advertise {
type boolean;
description
"Whether the fabric-prefix can be advertised or not.
If the value is set to 'true', it means that
the fabric-prefix can be advertised to neighbors.";
}
leaf configured-level {
type level;
description
"The configured level value of this node.";
}
container overload {
description
"If the overload in TIEs can be set
and the timeout value with according type.";
leaf overload {
type boolean;
description
"If the value is set to 'true', it means that
the overload bit in TIEs can be set.";
}
choice timeout-type {
description
"The value of timeout timer for overloading.
This makes sense when overload is set to 'TRUE'.";
case on-startup {
leaf on-startup-timeout {
type rt-types:timer-value-seconds16;
description
"Node goes into overload until this timer
expires when starting up.";
}
}
case immediate {
leaf immediate-timeout {
type rt-types:timer-value-seconds16;
description
"Set overload and remove after the timeout
expired.";
}
}
}
}
leaf proto-major-ver {
type uint8;
config false;
mandatory true;
description
"Represents protocol encoding schema major version.";
}
leaf proto-minor-ver {
type uint16;
config false;
mandatory true;
description
"Represents protocol encoding schema minor version.";
}
container node-capabilities {
uses hierarchy-indications;
leaf flood-reduction {
type boolean;
description
"If the node supports flood reduction function.
If this value is set to 'true', it means that
the flood reduction function is enabled.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.3.8.";
}
description
"The node's capabilities.";
}
leaf maximum-nonce-delta {
if-feature "nonce-delta-adjust";
type uint8 {
range "1..5";
}
description
"The configurable valid nonce delta value used for
security. It is used as vulnerability window.
If the nonces in received packet exceeds the range
indicated by this value, the packet MUST be
discarded.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.4.";
}
leaf nonce-increasing-interval {
type uint16;
units "seconds";
description
"The configurable nonce increasing interval.";
}
leaf adjusted-lifetime {
type rt-types:timer-value-seconds16;
units "seconds";
description
"The adjusted lifetime may affect the TIE stability.
Be careful to change this parameter.
This SHOULD be prohibited less than 2*purge-lifetime.";
}
container rx-lie-multicast-addr {
leaf ipv4 {
type inet:ipv4-address;
default "224.0.0.121";
description
"The configurable LIE receiving IPv4 multicast
address.
Different multicast addresses can be used for
receiving and sending.";
}
leaf ipv6 {
type inet:ipv6-address;
default "ff02::a1f7";
description
"The configurable LIE receiving IPv6 multicast
address.
Different multicast addresses can be used for
receiving and sending.";
}
description
"The configurable LIE receiving IPv4/IPv6 multicast
address.
Different multicast addresses can be used for
receiving and sending.";
}
container tx-lie-multicast-addr {
leaf ipv4 {
type inet:ipv4-address;
description
"The configurable LIE sending IPv4 multicast
address.
Different multicast addresses can be used for
receiving and sending.";
}
leaf ipv6 {
type inet:ipv6-address;
description
"The configurable LIE sending IPv6 multicast
address.
Different multicast addresses can be used for
receiving and sending.";
}
description
"The configurable LIE sending IPv4/IPv6 multicast
address.
Different multicast addresses can be used for
receiving and sending.";
}
leaf lie-tx-port {
type inet:port-number;
default "914";
description
"The UDP port of LIE packet sending. The default port
number is 914. The value can be set to other value
associated with different RIFT instance.";
}
container global-link-capabilities {
uses link-capabilities;
description
"The node default link capabilities. It can be
overwritten by the configuration underneath interface
and neighbor.";
}
leaf tide-generation-interval {
type rt-types:timer-value-seconds16;
units "seconds";
description
"The TIDE generation interval.";
}
list tie-security {
if-feature "tie-security";
key "security-type";
uses security;
description
"The security function used for the TIE exchange.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.3.";
}
leaf inner-security-key-id {
type uint8;
description
"The inner security key id for received packet
checking.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.3.";
}
leaf algorithm-type {
type enumeration {
enum spf {
description
"The algorithm is SPF.";
}
enum all-path {
description
"The algorithm is all-path.";
}
}
description
"The possible algorithm types.";
}
container hal {
config false;
leaf hal-value {
type level;
description
"The highest defined level value seen from all
valid level offers received.";
}
leaf-list system-ids {
type system-id;
description
"The node's system-id of the offered level comes
from.";
}
description
"The highest defined level and the offered nodes set.";
}
leaf-list miscabled-links {
type uint32;
config false;
description
"List of miscabled links.";
}
leaf hop-limit {
type uint8 {
range "1 | 255";
}
default "1";
description
"The IPv4 TTL or IPv6 HL used for LIE and TIE
sending/receiving.";
}
leaf maximum-clock-delta {
type ieee802-1as-timestamp;
description
"The maximum drift for the timestamp comparing.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.8.4.";
}
}
list interfaces {
key "name";
leaf link-id {
type uint32;
config false;
description
"The local id of this interface.";
}
leaf name {
type if:interface-ref;
description
"The interface's name.";
}
leaf cost {
type uint32;
description
"The cost from this interface to the neighbor.";
}
leaf rx-flood-port {
type inet:port-number;
default "915";
description
"The UDP port which is used to receive flooded
TIEs. The default port number is 915. The value
can be set to other value associated with different
RIFT instance.";
}
leaf holdtime {
type rt-types:timer-value-seconds16;
units "seconds";
default "3";
description
"The holding time of LIE.";
}
uses address-families;
container advertised-source-addr {
uses addresses;
description
"The address used in the advertised LIE and TIE
packets.";
}
uses link-direction-type;
leaf broadcast-capable {
type boolean;
description
"If LIE can be received by broadcast address.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.2.";
}
leaf allow-horizontal-link {
type boolean;
description
"If horizontal link adjacency is allowed.";
}
container security {
if-feature "link-security";
uses security;
description
"The security function used for this interface.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.9.3.";
}
leaf security-checking {
type enumeration {
enum no-checking {
description
"The security envelope does not be checked.";
}
enum permissive {
description
"The security envelope checking is permissive.";
}
enum loose {
description
"The security envelope checking is loose.";
}
enum strict {
description
"The security envelope checking is strict.";
}
}
description
"The possible security checking types.
Only one type can be set at the same time.";
}
leaf was-the-last-lie-accepted {
type boolean;
config false;
description
"If the value is set to 'true', it means that
the most recently received LIE was accepted.
If the LIE was rejected, the neighbor error
notifications should be used to find the reason.";
}
leaf last-lie-reject-reason {
type string;
config false;
description
"Description for the reject reason of the last LIE.";
}
container advertised-in-lies {
config false;
uses lie-elements;
description
"The attributes advertised in the LIEs from
this interface.";
}
container link-capabilities {
uses link-capabilities;
description
"The interface's link capabilities.";
}
leaf state {
type enumeration {
enum one-way {
description
"The initial state.";
}
enum two-way {
description
"Valid LIE received but not a ThreeWay LIE.";
}
enum three-way {
description
"Valid ThreeWay LIE received.";
}
enum multiple-neighbors-wait {
description
"More than two neighbors found in the same link.";
}
}
config false;
mandatory true;
description
"The states of LIE finite state machine.";
reference
"RFC 9692: RIFT: Routing in Fat Trees.
Section 6.2.1.";
}
list neighbors {
key "system-id";
config false;
uses base-node-info;
uses neighbor;
leaf local-nonce {
type uint16;
description
"The exchanged local nonce with this neighbor.";
}
leaf remote-nonce {
type uint16;
description
"The exchanged remote nonce to this neighbor.";
}
action clear-neighbor {
description
"Clears the connection to the neighbor.";
}
description
"The neighbor's information.";
}
action clear-all-neighbors {
description
"Clears all the connections to the neighbors
on this interface.";
}
description
"The interface information on this node.";
} // list interface
container statistics {
config false;
container global {
leaf total-num-routes-north {
type yang:zero-based-counter32;
config false;
description
"The total number of north routes.";
}
leaf total-num-routes-south {
type yang:zero-based-counter32;
config false;
description
"The total number of south routes.";
}
description
"The global routes number.";
}
list spf-statistics {
key "spf-direction-type";
uses spf-direction-type;
leaf start-time {
type yang:date-and-time;
description
"The last SPF calculation start time.";
}
leaf end-time {
type yang:date-and-time;
description
"The last SPF calculation end time.";
}
container triggering-tie {
uses tie-header;
description
"The TIE that triggered the SPF.";
}
action clear-spf-statistics {
description
"Clears the statistics of this type of
SPF calculation.";
}
description
"The statistics of SPF calculation.";
}
list interfaces {
key "name";
leaf name {
type if:interface-ref;
description
"The interface's name.";
}
container intf-states-statistics {
leaf intf-states-startup-time {
type uint64;
description
"The states and statistics record startup time
of the interface.";
}
leaf num-of-nbrs-3way {
type yang:zero-based-counter32;
description
"The number of neighbors which state is in
ThreeWay.";
}
leaf num-of-nbrs-down {
type yang:zero-based-counter32;
description
"The number of neighbors which state
changed to down.";
}
list nbrs-down-reasons {
key "system-id";
leaf system-id {
type system-id;
description
"The system-id of neighbor.";
}
leaf last-down-reason {
type string;
description
"The last down reason of the neighbor.";
}
description
"The down neighbors and reasons.";
}
leaf num-local-level-change {
type yang:zero-based-counter32;
description
"The number of local level changes.";
}
leaf number-of-flaps {
type yang:zero-based-counter32;
config false;
description
"The number of interface state flaps.";
}
leaf last-state-change {
type yang:date-and-time;
config false;
description
"Time duration in the current state.";
}
leaf last-up {
type yang:date-and-time;
config false;
description
"The last time of up.";
}
leaf last-down {
type yang:date-and-time;
config false;
description
"The last time of down.";
}
container intf-lie-states {
leaf last-lie-sent-time {
type uint64;
description
"The time of the last LIE sent.";
}
leaf last-lie-received-time {
type uint64;
description
"The time of the last LIE received.";
}
leaf num-lie-received {
type yang:zero-based-counter32;
description
"The number of received LIEs.";
}
leaf num-lie-transmitted {
type yang:zero-based-counter32;
description
"The number of transmitted LIEs.";
}
leaf num-lie-drop-invalid-envelope {
type yang:zero-based-counter32;
description
"The number of dropped LIEs due to
invalid outer envelope.";
}
leaf num-lie-drop-invalid-nonce {
type yang:zero-based-counter32;
description
"The number of dropped LIEs due to
invalid nonce.";
}
leaf num-lie-corrupted {
type yang:zero-based-counter32;
description
"The number of corrupted LIEs received.";
}
description
"The LIE's statistics of this interface.";
}
description
"The states and statistics of this interface.";
}
container flood-repeater-statistics {
leaf flood-repeater {
type system-id;
description
"The system-id of the current flood repeater.
If this leaf has no value, that means the neighbor
is not flood repeater.";
}
leaf num-flood-repeater-changes {
type yang:zero-based-counter32;
description
"The number of flood repeater changes.";
}
leaf last-flood-repeater-change-reason {
type string;
description
"The reason of the last flood repeater change.";
}
description
"The flood repeater statistics.";
}
action clear-intf-statistics {
description
"Clears the statistics of this interface.";
}
description
"The statistics of interfaces.";
}
list neighbors {
key "system-id";
leaf system-id {
type system-id;
description
"The system-id of the neighbor.";
}
container tie-state-statistics {
leaf transmit-queue {
type yang:zero-based-counter32;
description
"The length of TIE transmit queue.";
}
container last-queued-tie {
uses tie-header;
leaf reason-queued {
type string;
description
"The queued reason of the last queued TIE.";
}
description
"The last queued TIE for transmit.";
}
leaf num-received-ties {
type yang:zero-based-counter32;
description
"The number of TIEs received.";
}
leaf num-transmitted-ties {
type yang:zero-based-counter32;
description
"The number of TIEs transmitted.";
}
leaf num-retransmitted-ties {
type yang:zero-based-counter32;
description
"The number of TIEs retransmitted.";
}
leaf num-flood-reduced-ties {
type yang:zero-based-counter32;
description
"The number of TIEs that were flood reduced.";
}
leaf num-received-tides {
type yang:zero-based-counter32;
description
"The number of TIDEs received.";
}
leaf num-transmitted-tides {
type yang:zero-based-counter32;
description
"The number of TIDEs transmitted.";
}
leaf num-received-tires {
type yang:zero-based-counter32;
description
"The number of TIREs received.";
}
leaf num-transmitted-tires {
type yang:zero-based-counter32;
description
"The number of TIREs transmitted.";
}
leaf num-request-locally {
type yang:zero-based-counter32;
description
"The number of TIEs requested locally.";
}
leaf num-request-remotely {
type yang:zero-based-counter32;
description
"The number of TIEs requested by the neighbor.";
}
leaf num-same-older-ties-received {
type yang:zero-based-counter32;
description
"The number of times of the same or older TIE
has been received.";
}
leaf num-seq-mismatch-pkts-received {
type yang:zero-based-counter32;
description
"The number of packets with sequence number
mismatches.";
}
container last-sent-tie {
uses tie-header;
leaf last-tie-sent-time {
type yang:date-and-time;
description
"The time of the last TIE sent.";
}
description
"The information of the last sent TIE.";
}
container last-recv-tie {
uses tie-header;
leaf last-tie-recv-time {
type yang:date-and-time;
description
"The time of the last TIE received.";
}
description
"The information of the last received TIE.";
}
container largest-tie {
container largest-tie-sent {
uses tie-header;
description
"The largest TIE sent.";
}
container largest-tide-sent {
uses tie-header;
description
"The largest TIDE sent.";
}
container largest-tire-sent {
uses tie-header;
description
"The largest TIRE sent.";
}
description
"The largest sent TIE, TIDE and TIRE.";
}
container num-tie-dropped {
leaf num-tie-outer-envelope {
type yang:zero-based-counter32;
description
"The total number of TIEs dropped due to
invalid outer envelope.";
}
leaf num-tie-inner-envelope {
type yang:zero-based-counter32;
description
"The total number of TIEs dropped due to
invalid inner envelope.";
}
leaf num-tie-nonce {
type yang:zero-based-counter32;
description
"The total number of TIEs dropped due to
invalid nonce.";
}
description
"The total number of TIEs dropped due to
security reasons.";
}
description
"The statistics of TIE, TIDE, TIRE
exchanging with this neighbor.";
}
action clear-nbr-statistics {
description
"Clears the statistics of this neighbor.";
}
description
"The statistics of neighbors.";
}
description
"The statistics collection.";
}
container database {
config false;
list ties {
key "tie-direction-type originator tie-type tie-number";
description
"A list of TIEs (Topology Information Elements).";
uses tie-header;
container node {
leaf level {
type level;
config false;
description
"The level of this node.";
}
list neighbors {
key "system-id";
uses base-node-info;
uses neighbor-node;
description
"The node TIE information of a neighbor.";
}
uses node-capability;
leaf overload-flag {
type boolean;
description
"If the value is set to 'true', it means that
the overload bit in TIEs is set.";
}
leaf name {
type string;
description
"The name of this node. It won't be used as the
key of node, just used for description.";
}
leaf pod {
type uint32;
description
"Point of Delivery. The self-contained vertical
slice of a Clos or Fat Tree network containing
normally only level 0 and level 1 nodes. It
communicates with nodes in other PoDs via the
spine. We number PoDs to distinguish them and
use PoD #0 to denote 'undefined' PoD.";
}
leaf startup-time {
type uint64;
description
"Startup time of the node.";
}
leaf-list miscabled-links {
type uint32;
config false;
description
"List of miscabled links.";
}
leaf-list same-plane-tofs {
type system-id;
config false;
description
"ToFs in the same plane. Only carried by ToF.
Multiple Node TIEs can carry disjoint sets of
ToFs which MUST be joined to form a single
set.";
}
leaf fabric-id {
type uint32;
config false;
description
"The optional ID of the Fabric configured.";
}
description
"The node element information in this TIE.";
} // node
container prefixes {
description
"The prefix element information in this TIE.";
list prefixes {
key "prefix";
leaf prefix {
type inet:ip-prefix;
description
"The prefix information.";
}
uses tie-type;
uses prefix-attribute;
description
"The prefix set information.";
}
}
container key-value {
leaf key {
type binary;
description
"The type of key value combination.";
}
leaf value {
type binary;
description
"The value of key value combination.";
}
description
"The information used to distinguish a Key/Value
pair. When the type of kv is set to 'node',
node-element is making sense. When the type of
kv is set to other values except 'node',
prefix-info is making sense.";
} // kv-store
} // ties
description
"The TIEs information in database.";
} // container database
description
"RIFT configuration and state data.";
} //rift
} //augment
/*
* Notifications
*/
notification error-set {
description
"The errors notification of RIFT.";
container tie-level-error {
description
"The TIE errors notification of RIFT.";
list rift {
key "name";
leaf name {
type string;
description
"The RIFT instance's name.";
}
list ties {
key "originator";
uses tie-header;
description
"The level is undefined in the LIEs.";
}
description
"The TIE errors set.";
}
}
container neighbor-error {
description
"The neighbor errors notification of RIFT.";
list rift {
key "name";
leaf name {
type string;
description
"The RIFT instance's name.";
}
list interfaces {
key "name";
leaf link-id {
type uint32;
description
"The local id of this interface.";
}
leaf name {
type if:interface-ref;
description
"The interface's name.";
}
list neighbors {
key "system-id";
leaf system-id {
type system-id;
description
"Each node is identified via a system-id which is 64
bits wide.";
}
leaf node-level {
type level;
description
"The level of this node.";
}
description
"The level of the neighbor is wrong.";
}
description
"The interfaces with wrong level neighbor.";
}
description
"The RIFT instance.";
}
}
}
}