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draft-ietf-ospf-sr-yang-00.xml
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<?xml version="1.0" encoding="US-ASCII"?>
<!DOCTYPE rfc SYSTEM "rfc2629.dtd" [
<!ENTITY RFC2119 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.2119.xml'>
<!ENTITY RFC6020 PUBLIC ''
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<!ENTITY RFC1793 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.1793.xml'>
<!ENTITY RFC3630 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.3630.xml'>
<!ENTITY RFC5838 PUBLIC ''
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<!ENTITY RFC4750 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.4750.xml'>
<!ENTITY RFC5643 PUBLIC ''
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<!ENTITY RFC6565 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.6565.xml'>
<!ENTITY RFC7950 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.7950.xml'>
<!ENTITY I-D.ietf-rtgwg-yang-key-chain PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml-ids/reference.I-D.draft-ietf-rtgwg-yang-key-chain-10.xml'>
<!ENTITY I-D.ietf-spring-sr-yang PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml-ids/reference.I-D.draft-ietf-spring-sr-yang-05.xml'>
<!ENTITY I-D.ietf-bfd-yang PUBLIC ''
'http://xml2rfc.ietf.org/public/rfc/bibxml-ids/reference.I-D.draft-ietf-bfd-yang-03.xml'>
<!ENTITY I-D.ietf-netmod-routing-cfg PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml-ids/reference.I-D.draft-ietf-netmod-routing-cfg-24.xml'>
<!ENTITY I-D.ietf-ospf-yang PUBLIC ''
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]>
<?xml-stylesheet type='text/xsl' href='rfc2629.xslt' ?>
<?rfc strict="no" ?>
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<rfc category="info" docName="draft-ietf-ospf-sr-yang-00" ipr="trust200902">
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ipr values: full3667, noModification3667, noDerivatives3667
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they will automatically be output with "(if approved)" -->
<!-- ***** FRONT MATTER ***** -->
<front>
<!-- The abbreviated title is used in the page header - it is only necessary if the
full title is longer than 39 characters -->
<title abbrev="OSPF SR (Segment Routing) Yang Data Model">Yang Data Model for OSPF SR (Segment Routing) Protocol
</title>
<!-- add 'role="editor"' below for the editors if appropriate -->
<!-- Another author who claims to be an editor -->
<author fullname="Derek Yeung" initials="D" surname="Yeung">
<organization>Arrcus</organization>
<address>
<phone></phone>
<email>[email protected]</email>
<!-- uri and facsimile elements may also be added -->
</address>
</author>
<author fullname="Yingzhen Qu" initials="Y" surname="Qu">
<organization>Cisco Systems</organization>
<address>
<postal>
<street>170 West Tasman Drive</street>
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<city>San Jose</city>
<region>CA</region>
<code>95134</code>
<country>USA</country>
</postal>
<phone></phone>
<email>[email protected]</email>
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</address>
</author>
<author fullname="Jeffrey Zhang" initials="J" surname="Zhang">
<organization>Juniper Networks</organization>
<address>
<postal>
<street>10 Technology Park Drive</street>
<!-- Reorder these if your country does things differently -->
<city>Westford</city>
<region>MA</region>
<code>01886</code>
<country>USA</country>
</postal>
<phone></phone>
<email>[email protected]</email>
<!-- uri and facsimile elements may also be added -->
</address>
</author>
<author fullname="Ing-Wher Chen" initials="I." surname="Chen">
<organization>Kuatro Technologies</organization>
<address>
<email>[email protected]</email>
</address>
</author>
<author fullname="Acee Lindem" initials="A." surname="Lindem">
<organization>Cisco Systems</organization>
<address>
<postal>
<street>301 Midenhall Way</street>
<city>Cary, NC 27513</city>
</postal>
<email>[email protected]</email>
</address>
</author>
<date/>
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necessary to specify at least a month (xml2rfc assumes day="1" if not specified for the
purpose of calculating the expiry date). With drafts it is normally sufficient to
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<area>General</area>
<workgroup>Internet</workgroup>
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IETF is fine for individual submissions.
If this element is not present, the default is "Network Working Group",
which is used by the RFC Editor as a nod to the history of the IETF. -->
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<abstract>
<t>This document defines a YANG data model that can be
used to configure and manage OSPF Segment Routing.</t>
</abstract>
</front>
<middle>
<section title="Overview">
<t>YANG <xref target="RFC6020"></xref> <xref target="RFC7950"></xref> is a data definition language
used to define the contents of a conceptual data store
that allows networked devices to be managed using NETCONF
<xref target="RFC6241"></xref>. YANG is proving relevant beyond its
initial confines, as bindings to other interfaces (e.g., ReST) and
encodings other than XML (e.g., JSON) are being defined. Furthermore,
YANG data models can be used as the basis for implementation of other
interfaces, such as CLI and programmatic APIs.</t>
<t>This document defines a YANG data model that can be used to configure
and manage OSPF Segment Routing and it is an augmentation to the OSPF YANG data model.
</t>
<section title="Requirements Language">
<t>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in <xref target="RFC2119"></xref>.</t>
</section>
</section>
<section title="OSPF Segment Routing">
<t>This document defines a model for OSPF Segment Routing feature. It is an
augmentation of the OSPF base model.</t>
<t>The OSPF SR YANG module requires support for the base segment
routing module <xref target="I-D.ietf-spring-sr-yang"></xref>,
which defines the global segment routing configuration independent
of any specific routing protocol configuration, and support of OSPF base
model<xref target="I-D.ietf-ospf-yang"></xref> which defines basic OSPF configuration and state.</t>
<figure align="left">
<artwork align="left">
module: ietf-ospf-sr
augment /rt:routing/rt:control-plane-protocols/rt:control-plane-protocol
/ospf:ospf/ospf:instance:
+--rw segment-routing
| +--rw enabled? boolean
| +--rw bindings
| +--rw advertise
| | +--rw policies* string
| +--rw receive? boolean
+--rw protocol-srgb {sr:protocol-srgb}?
+--rw srgb* [lower-bound upper-bound]
+--rw lower-bound uint32
+--rw upper-bound uint32
augment /rt:routing/rt:control-plane-protocols/rt:control-plane-protocol
/ospf:ospf/ospf:instance/ospf:areas/ospf:area/ospf:interfaces
/ospf:interface:
+--rw segment-routing
+--rw adjacency-sid
+--rw advertise-adj-group-sid* [group-id]
| +--rw group-id uint32
+--rw advertise-protection? enumeration
augment /rt:routing/rt:control-plane-protocols/rt:control-plane-protocol
/ospf:ospf/ospf:instance/ospf:areas/ospf:area/ospf:interfaces
/ospf:interface/ospf:fast-reroute:
+--rw ti-lfa {ti-lfa}?
+--rw enable? boolean
augment /rt:routing-state/rt:control-plane-protocols/rt:control-plane-protocol
/ospf:ospf/ospf:instance:
+--ro segment-routing
| +--ro enabled? boolean
| +--ro bindings
| +--ro advertise
| | +--ro policies* string
| +--ro receive? boolean
+--ro protocol-srgb {sr:protocol-srgb}?
+--ro srgb* [lower-bound upper-bound]
+--ro lower-bound uint32
+--ro upper-bound uint32
augment /rt:routing-state/rt:control-plane-protocols
/rt:control-plane-protocol/ospf:ospf/ospf:instance
/ospf:areas/ospf:area/ospf:interfaces/ospf:interface:
+--ro segment-routing
+--ro adjacency-sid
+--ro advertise-adj-group-sid* [group-id]
| +--ro group-id uint32
+--ro advertise-protection? enumeration
augment /rt:routing-state/rt:control-plane-protocols
/rt:control-plane-protocol/ospf:ospf/ospf:instance/ospf:areas
/ospf:area/ospf:interfaces/ospf:interface/ospf:database
/ospf:link-scope-lsa-type/ospf:link-scope-lsas/ospf:link-scope-lsa
/ospf:version/ospf:ospfv2/ospf:ospfv2/ospf:body/ospf:opaque
/ospf:extended-prefix-tlvs/ospf:extended-prefix-tlv:
+--ro perfix-sid-sub-tlvs
| +--ro prefix-sid-sub-tlv*
| +--ro flags? bits
| +--ro mt-id? uint8
| +--ro algorithm? uint8
| +--ro sid? uint32
+--ro sid-binding-sub-tlvs
+--ro sid-binding-sub-tlv*
+--ro flags? bits
+--ro mt-id? uint8
+--ro weight? uint8
+--ro sid-sub-tlv
| +--ro sid? uint32
+--ro ero-metric-sub-tlv
| +--ro metric? uint32
+--ro ipv4-ero-sub-tlv
| +--ro flags? bits
| +--ro ipv4-address? inet:ipv4-address
+--ro unnumbered-ero-sub-tlv
| +--ro flags? bits
| +--ro router-id? yang:dotted-quad
| +--ro interface-id? uint32
+--ro ipv4-backup-ero-sub-tlv
| +--ro flags? bits
| +--ro ipv4-address? inet:ipv4-address
+--ro unnumbered-backup-ero-sub-tlv
+--ro flags? bits
+--ro router-id? yang:dotted-quad
+--ro interface-id? uint32
augment /rt:routing-state/rt:control-plane-protocols/rt:control-plane-protocol
/ospf:ospf/ospf:instance/ospf:areas/ospf:area/ospf:database
/ospf:area-scope-lsa-type/ospf:area-scope-lsas/ospf:area-scope-lsa
/ospf:version/ospf:ospfv2/ospf:ospfv2/ospf:body/ospf:opaque
/ospf:extended-prefix-tlvs/ospf:extended-prefix-tlv:
+--ro perfix-sid-sub-tlvs
| +--ro prefix-sid-sub-tlv*
| +--ro flags? bits
| +--ro mt-id? uint8
| +--ro algorithm? uint8
| +--ro sid? uint32
+--ro sid-binding-sub-tlvs
+--ro sid-binding-sub-tlv*
+--ro flags? bits
+--ro mt-id? uint8
+--ro weight? uint8
+--ro sid-sub-tlv
| +--ro sid? uint32
+--ro ero-metric-sub-tlv
| +--ro metric? uint32
+--ro ipv4-ero-sub-tlv
| +--ro flags? bits
| +--ro ipv4-address? inet:ipv4-address
+--ro unnumbered-ero-sub-tlv
| +--ro flags? bits
| +--ro router-id? yang:dotted-quad
| +--ro interface-id? uint32
+--ro ipv4-backup-ero-sub-tlv
| +--ro flags? bits
| +--ro ipv4-address? inet:ipv4-address
+--ro unnumbered-backup-ero-sub-tlv
+--ro flags? bits
+--ro router-id? yang:dotted-quad
+--ro interface-id? uint32
augment /rt:routing-state/rt:control-plane-protocols/rt:control-plane-protocol
/ospf:ospf/ospf:instance/ospf:database/ospf:as-scope-lsa-type
/ospf:as-scope-lsas/ospf:as-scope-lsa/ospf:version/ospf:ospfv2
/ospf:ospfv2/ospf:body/ospf:opaque/ospf:extended-prefix-tlvs
/ospf:extended-prefix-tlv:
+--ro perfix-sid-sub-tlvs
| +--ro prefix-sid-sub-tlv*
| +--ro flags? bits
| +--ro mt-id? uint8
| +--ro algorithm? uint8
| +--ro sid? uint32
+--ro sid-binding-sub-tlvs
+--ro sid-binding-sub-tlv*
+--ro flags? bits
+--ro mt-id? uint8
+--ro weight? uint8
+--ro sid-sub-tlv
| +--ro sid? uint32
+--ro ero-metric-sub-tlv
| +--ro metric? uint32
+--ro ipv4-ero-sub-tlv
| +--ro flags? bits
| +--ro ipv4-address? inet:ipv4-address
+--ro unnumbered-ero-sub-tlv
| +--ro flags? bits
| +--ro router-id? yang:dotted-quad
| +--ro interface-id? uint32
+--ro ipv4-backup-ero-sub-tlv
| +--ro flags? bits
| +--ro ipv4-address? inet:ipv4-address
+--ro unnumbered-backup-ero-sub-tlv
+--ro flags? bits
+--ro router-id? yang:dotted-quad
+--ro interface-id? uint32
augment /rt:routing-state/rt:control-plane-protocols/rt:control-plane-protocol
/ospf:ospf/ospf:instance/ospf:areas/ospf:area/ospf:database
/ospf:area-scope-lsa-type/ospf:area-scope-lsas/ospf:area-scope-lsa
/ospf:version/ospf:ospfv2/ospf:ospfv2/ospf:body/ospf:opaque
/ospf:extended-link-tlvs/ospf:extended-link-tlv:
+--ro adj-sid-sub-tlvs
| +--ro adj-sid-sub-tlv*
| +--ro flags? bits
| +--ro mt-id? uint8
| +--ro weight? uint8
| +--ro sid? uint32
+--ro lan-adj-sid-sub-tlvs
+--ro lan-adj-sid-sub-tlv*
+--ro flags? bits
+--ro mt-id? uint8
+--ro weight? uint8
+--ro neighbor-router-id? yang:dotted-quad
+--ro sid? uint32
augment /rt:routing-state/rt:control-plane-protocols
/rt:control-plane-protocol/ospf:ospf/ospf:instance/ospf:areas/ospf:area
/ospf:interfaces/ospf:interface/ospf:database/ospf:link-scope-lsa-type
/ospf:link-scope-lsas/ospf:link-scope-lsa/ospf:version/ospf:ospfv2
/ospf:ospfv2/ospf:body/ospf:opaque:
+--ro extended-prefix-range-tlvs
| +--ro extended-prefix-range-tlv*
| +--ro range-size? uint16
| +--ro flags? bits
| +--ro prefix? inet:ip-prefix
| +--ro perfix-sid-sub-tlvs
| | +--ro prefix-sid-sub-tlv*
| | +--ro flags? bits
| | +--ro mt-id? uint8
| | +--ro algorithm? uint8
| | +--ro sid? uint32
| +--ro sid-binding-sub-tlvs
| | +--ro sid-binding-sub-tlv*
| | +--ro flags? bits
| | +--ro mt-id? uint8
| | +--ro weight? uint8
| | +--ro sid-sub-tlv
| | | +--ro sid? uint32
| | +--ro ero-metric-sub-tlv
| | | +--ro metric? uint32
| | +--ro ipv4-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro ipv4-address? inet:ipv4-address
| | +--ro unnumbered-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro router-id? yang:dotted-quad
| | | +--ro interface-id? uint32
| | +--ro ipv4-backup-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro ipv4-address? inet:ipv4-address
| | +--ro unnumbered-backup-ero-sub-tlv
| | +--ro flags? bits
| | +--ro router-id? yang:dotted-quad
| | +--ro interface-id? uint32
| +--ro unknown-tlvs
| +--ro unknown-tlv*
| +--ro type? uint16
| +--ro length? uint16
| +--ro value? yang:hex-string
+--ro sr-algorithm-tlv
| +--ro sr-algorithm* uint8
+--ro sid-range-tlvs
+--ro sid-range-tlv*
+--ro range-size? ospf:uint24
+--ro sid-sub-tlv
+--ro sid? uint32
augment /rt:routing-state/rt:control-plane-protocols
/rt:control-plane-protocol/ospf:ospf/ospf:instance/ospf:areas
/ospf:area/ospf:database/ospf:area-scope-lsa-type
/ospf:area-scope-lsas/ospf:area-scope-lsa/ospf:version
/ospf:ospfv2/ospf:ospfv2/ospf:body/ospf:opaque:
+--ro extended-prefix-range-tlvs
| +--ro extended-prefix-range-tlv*
| +--ro range-size? uint16
| +--ro flags? bits
| +--ro prefix? inet:ip-prefix
| +--ro perfix-sid-sub-tlvs
| | +--ro prefix-sid-sub-tlv*
| | +--ro flags? bits
| | +--ro mt-id? uint8
| | +--ro algorithm? uint8
| | +--ro sid? uint32
| +--ro sid-binding-sub-tlvs
| | +--ro sid-binding-sub-tlv*
| | +--ro flags? bits
| | +--ro mt-id? uint8
| | +--ro weight? uint8
| | +--ro sid-sub-tlv
| | | +--ro sid? uint32
| | +--ro ero-metric-sub-tlv
| | | +--ro metric? uint32
| | +--ro ipv4-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro ipv4-address? inet:ipv4-address
| | +--ro unnumbered-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro router-id? yang:dotted-quad
| | | +--ro interface-id? uint32
| | +--ro ipv4-backup-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro ipv4-address? inet:ipv4-address
| | +--ro unnumbered-backup-ero-sub-tlv
| | +--ro flags? bits
| | +--ro router-id? yang:dotted-quad
| | +--ro interface-id? uint32
| +--ro unknown-tlvs
| +--ro unknown-tlv*
| +--ro type? uint16
| +--ro length? uint16
| +--ro value? yang:hex-string
+--ro sr-algorithm-tlv
| +--ro sr-algorithm* uint8
+--ro sid-range-tlvs
+--ro sid-range-tlv*
+--ro range-size? ospf:uint24
+--ro sid-sub-tlv
+--ro sid? uint32
augment /rt:routing-state/rt:control-plane-protocols
/rt:control-plane-protocol/ospf:ospf/ospf:instance/ospf:database
/ospf:as-scope-lsa-type/ospf:as-scope-lsas/ospf:as-scope-lsa
/ospf:version/ospf:ospfv2/ospf:ospfv2/ospf:body/ospf:opaque:
+--ro extended-prefix-range-tlvs
| +--ro extended-prefix-range-tlv*
| +--ro range-size? uint16
| +--ro flags? bits
| +--ro prefix? inet:ip-prefix
| +--ro perfix-sid-sub-tlvs
| | +--ro prefix-sid-sub-tlv*
| | +--ro flags? bits
| | +--ro mt-id? uint8
| | +--ro algorithm? uint8
| | +--ro sid? uint32
| +--ro sid-binding-sub-tlvs
| | +--ro sid-binding-sub-tlv*
| | +--ro flags? bits
| | +--ro mt-id? uint8
| | +--ro weight? uint8
| | +--ro sid-sub-tlv
| | | +--ro sid? uint32
| | +--ro ero-metric-sub-tlv
| | | +--ro metric? uint32
| | +--ro ipv4-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro ipv4-address? inet:ipv4-address
| | +--ro unnumbered-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro router-id? yang:dotted-quad
| | | +--ro interface-id? uint32
| | +--ro ipv4-backup-ero-sub-tlv
| | | +--ro flags? bits
| | | +--ro ipv4-address? inet:ipv4-address
| | +--ro unnumbered-backup-ero-sub-tlv
| | +--ro flags? bits
| | +--ro router-id? yang:dotted-quad
| | +--ro interface-id? uint32
| +--ro unknown-tlvs
| +--ro unknown-tlv*
| +--ro type? uint16
| +--ro length? uint16
| +--ro value? yang:hex-string
+--ro sr-algorithm-tlv
| +--ro sr-algorithm* uint8
+--ro sid-range-tlvs
+--ro sid-range-tlv*
+--ro range-size? ospf:uint24
+--ro sid-sub-tlv
+--ro sid? uint32
</artwork>
</figure>
</section>
<section title="OSPF Segment Routing Yang Module">
<t>
<figure>
<artwork><![CDATA[
<CODE BEGINS> file "[email protected]"
module ietf-ospf-sr {
namespace "urn:ietf:params:xml:ns:yang:ietf-ospf-sr";
prefix ospf-sr;
import ietf-inet-types {
prefix "inet";
}
import ietf-yang-types {
prefix "yang";
}
import ietf-routing {
prefix "rt";
}
import ietf-segment-routing-common {
prefix "sr-cmn";
}
import ietf-segment-routing {
prefix "sr";
}
import ietf-ospf {
prefix "ospf";
}
organization
"Cisco Systems
170 West Tasman Drive
San Jose, CA 95134-1706
USA";
contact
"WG Web: <http://tools.ietf.org/wg/ospf/>
WG List: <mailto:[email protected]>
WG Chair: Acee Lindem
<mailto:[email protected]>
WG Chair: Abhay Roy
<mailto:[email protected]>
Editor: Derek Yeung
<mailto:[email protected]>
Author: Derek Yeung
<mailto:[email protected]>
Author: Yingzhen Qu
<mailto:[email protected]>
Author: Acee Lindem
<mailto:[email protected]>
Author: Jeffrey Zhang
<mailto:[email protected]>
Author: Ing-Wher Chen
<mailto:[email protected]>
Author: Greg Hankins
<mailto:[email protected]>";
description
"This YANG module defines the generic configuration
and operational state for OSPF Segment Routing, which is
common across all of the vendor implementations. It is
intended that the module will be extended by vendors to
define vendor-specific OSPF Segment Routing configuration
and operational parameters and policies.
Terms and Acronyms
OSPF (ospf): Open Shortest Path First
IP (ip): Internet Protocol
IPv4 (ipv4):Internet Protocol Version 4
IPv6 (ipv6): Internet Protocol Version 6
";
revision 2016-10-31 {
description
"* Update authors information.
* Add import of ietf-segment-routing-common module.";
reference
"RFC XXXX: A YANG Data Model for OSPF Segment Routing.";
}
revision 2016-07-07 {
description
"* Change routing-protocol to control-plane-protocol.";
reference
"RFC XXXX: A YANG Data Model for OSPF Segment Routing.";
}
revision 2016-03-20 {
description
"* Remove routing-instance.";
reference
"RFC XXXX: A YANG Data Model for OSPF Segment Routing.";
}
revision 2015-10-19 {
description
"* Add per-protocol SRGB support.
* Editorial changes.";
reference
"RFC XXXX: A YANG Data Model for OSPF Segment Routing.";
}
revision 2015-09-02 {
description
"* Author list update.
* Editorial changes.";
reference
"RFC XXXX: A YANG Data Model for OSPF Segment Routing.";
}
revision 2015-07-06 {
description
"Initial revision.";
reference
"RFC XXXX: A YANG Data Model for OSPF Segment Routing.";
}
feature ti-lfa {
description
"Topology-Independent Loop-Free Alternate (TI-LFA)
computation using segment routing.";
}
/* Configuration */
augment "/rt:routing/rt:control-plane-protocols"
+ "/rt:control-plane-protocol/ospf:ospf/ospf:instance" {
when "../../rt:type = 'ospf:ospfv2' or "
+ "../../rt:type = 'ospf:ospfv3'" {
description
"This augments the OSPF routing protocol when used.";
}
description
"This augments the OSPF protocol configuration
with segment routing.";
uses sr:controlplane-cfg;
container protocol-srgb {
if-feature sr:protocol-srgb;
uses sr-cmn:srgb-cfg;
description
"Per-protocol SRGB.";
}
}
augment "/rt:routing/rt:control-plane-protocols/"
+ "rt:control-plane-protocol/ospf:ospf/ospf:instance/"
+ "ospf:areas/ospf:area/ospf:interfaces/ospf:interface" {
when "../../../../../../rt:type = 'ospf:ospfv2' or "
+ "../../../../../../rt:type = 'ospf:ospfv3'" {
description
"This augments the OSPF interface configuration
when used.";
}
description
"This augments the OSPF protocol interface
configuration with segment routing.";
uses sr:igp-interface-cfg;
}
augment "/rt:routing/rt:control-plane-protocols/"
+ "rt:control-plane-protocol/ospf:ospf/ospf:instance/"
+ "ospf:areas/ospf:area/ospf:interfaces/ospf:interface/"
+ "ospf:fast-reroute" {
when "../../../../../../../rt:type = 'ospf:ospfv2' or "
+ "../../../../../../../rt:type = 'ospf:ospfv3'" {
description
"This augments the OSPF routing protocol when used.";
}
description
"This augments the OSPF protocol IP-FRR with TI-LFA.";
container ti-lfa {
if-feature ti-lfa;
leaf enable {
type boolean;
description
"Enables TI-LFA computation.";
}
description
"Topology Independent Loop Free Alternate
(TI-LFA) support.";
}
}
/* Operational states */
augment "/rt:routing-state/"
+ "rt:control-plane-protocols/rt:control-plane-protocol/"
+ "ospf:ospf/ospf:instance" {
when "../../rt:type = 'ospf:ospfv2' or "
+ "../../rt:type = 'ospf:ospfv3'" {
description
"This augments the OSPF routing protocol when used.";
}
description
"This augments the OSPF protocol operational state
with segment routing.";
uses sr:controlplane-cfg;
container protocol-srgb {
if-feature sr:protocol-srgb;
uses sr-cmn:srgb-cfg;
description
"Per-protocol SRGB.";
}
}
augment "/rt:routing-state/"
+ "rt:control-plane-protocols/rt:control-plane-protocol/"
+ "ospf:ospf/ospf:instance/ospf:areas/ospf:area/"
+ "ospf:interfaces/ospf:interface" {
when "../../../../../../rt:type = 'ospf:ospfv2' or "
+ "../../../../../../rt:type = 'ospf:ospfv3'" {
description
"This augments the OSPF routing protocol when used.";
}
description
"This augments the OSPF protocol interface
operational state with segment routing.";
uses sr:igp-interface-cfg;
}
/* Database */
grouping sid-sub-tlv {
description "SID/Label sub-TLV grouping.";
container sid-sub-tlv {
description
"Used to advertise the SID/Label associated with a
prefix or adjacency.";
leaf sid {
type uint32;
description
"Segment Identifier (SID) - A 20 bit label or
32 bit SID.";
}
}
}
grouping prefix-sid-sub-tlvs {
description "Prefix Segment ID (SID) sub-TLVs.";
container perfix-sid-sub-tlvs{
description "Prefix SID sub-TLV.";
list prefix-sid-sub-tlv {
description "Prefix SID sub-TLV.";
leaf flags {
type bits {
bit NP {
description
"No-PHP flag.";
}
bit M {
description
"Mapping server flag.";
}
bit E {
description
"Explicit-NULL flag.";
}
bit V {
description
"Value/Index flag.";
}
bit L {
description
"Local flag.";
}
}
description "Segment Identifier (SID) Flags.";
}
leaf mt-id {
type uint8;
description "Multi-topology ID.";
}
leaf algorithm {
type uint8;
description
"The algorithm associated with the prefix-SID.";
}
leaf sid {
type uint32;
description "An index or label.";
}
}
}
}
grouping sid-binding-sub-tlvs {
description "SID/Label binding sub-TLV grouping.";
container sid-binding-sub-tlvs {
description "SID binding sub-TLVs.";
list sid-binding-sub-tlv {
description "SID binding sub-TLV.";
leaf flags {
type bits {
bit M {
description
"Mirroring context flag.";
}
}
description "Flags.";
}
leaf mt-id {
type uint8;
description "Multi-topology ID.";
}
leaf weight {
type uint8;
description "Weight for load-balancing purposes.";
}
uses sid-sub-tlv;
container ero-metric-sub-tlv {
description
"The cost of an Explicit Route Object (ERO) path.";
leaf metric {
type uint32;
description "The aggregate IGP or TE path cost.";
}
}
container ipv4-ero-sub-tlv {
description
"The IPv4 ERO sub-TLV describes a path segment
using IPv4 address.";
leaf flags {
type bits {
bit L {
description
"If set, then the segment path is designated as
'loose'. Otherwise, the path is 'strict'.";
}
}
description "ERO Flags.";
}
leaf ipv4-address {
type inet:ipv4-address;
description "The address of the explicit route hop.";
}
}
container unnumbered-ero-sub-tlv {
description "The unnumbered interface ID ERO sub-TLV
describes a path segment that includes an
unnumbered interface.";
leaf flags {
type bits {
bit L {
description
"If set, then the segment path is designated as
'loose'. Otherwise as 'strict'.";
}
}
description "ERO Flags.";
}
leaf router-id {
type yang:dotted-quad;
description "Router-id of the next-hop.";
}
leaf interface-id {
type uint32;
description
"The identifier assigned to the link by the
router specified by the router-id.";
}
}
container ipv4-backup-ero-sub-tlv {
description
"The IPv4 backup ERO sub-TLV describes a path
segment using IPv4 address.";
leaf flags {
type bits {
bit L {
description
"If set, then the segment path is designated as
'loose'. Otherwise as 'strict'.";
}
}
description "Flags.";
}
leaf ipv4-address {
type inet:ipv4-address;
description "The address of the explicit route hop.";
}
}
container unnumbered-backup-ero-sub-tlv {
description
"The unnumbered interface ID backup ERO sub-TLV
describes a path segment that includes an
unnumbered interface.";
leaf flags {
type bits {
bit L {
description
"If set, then the segment path is designated as
'loose'. Otherwise, the path is 'strict'.";
}
}
description "Flags.";
}
leaf router-id {
type yang:dotted-quad;
description "Router-id of the next-hop.";
}
leaf interface-id {
type uint32;
description
"The identifier assigned to the link by the
router specified by the router-id.";
}
}
}
}
}
grouping extended-prefix-range-tlvs {
description "Extended prefix range TLV grouping.";
container extended-prefix-range-tlvs {
description "The list of range of prefixes.";
list extended-prefix-range-tlv { //type=2?
description "The range of prefixes.";
leaf range-size {
type uint16;
description "The number of prefixes covered by the
advertisement.";
}
leaf flags {
type bits {
bit IA {
description
"Inter-Area flag.";
}
}
description "Flags.";
}
leaf prefix {
type inet:ip-prefix;
description "Address prefix.";
}
uses prefix-sid-sub-tlvs;
uses sid-binding-sub-tlvs;