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draft-ietf-ospf-yang-03.xml
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draft-ietf-ospf-yang-03.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 ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.6020.xml'>
<!ENTITY RFC6241 PUBLIC ''
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<!ENTITY RFC7223 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.7223.xml'>
<!ENTITY RFC2328 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.2328.xml'>
<!ENTITY RFC5340 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.5340.xml'>
<!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 ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.5838.xml'>
<!ENTITY RFC3623 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.3623.xml'>
<!ENTITY RFC5187 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.5187.xml'>
<!ENTITY RFC3101 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.3101.xml'>
<!ENTITY RFC4577 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.4577.xml'>
<!ENTITY RFC4750 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.4750.xml'>
<!ENTITY RFC5643 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.5643.xml'>
<!ENTITY RFC5880 PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml/reference.RFC.5880.xml'>
<!ENTITY I-D.acee-rtg-yang-key-chain PUBLIC ''
'http://xml.resource.org/public/rfc/bibxml-ids/reference.I-D.acee-rtg-yang-key-chain.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-00.xml'>
<!ENTITY I-D.ietf-bfd-yang PUBLIC ''
'http://xml2rfc.ietf.org/public/rfc/bibxml-ids/reference.I-D.draft-ietf-bfd-yang-00.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-20.xml'>
]>
<?xml-stylesheet type='text/xsl' href='rfc2629.xslt' ?>
<?rfc strict="no" ?>
<?rfc toc="yes" ?>
<?rfc symrefs="yes" ?>
<?rfc sortrefs="yes"?>
<?rfc rfcedstyle="yes" ?>
<?rfc subcompact="no" ?>
<rfc category="info" docName="draft-ietf-ospf-yang-03" ipr="trust200902">
<!-- category values: std, bcp, info, exp, and historic
ipr values: full3667, noModification3667, noDerivatives3667
you can add the attributes updates="NNNN" and obsoletes="NNNN"
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 Yang Data Model">Yang Data Model for OSPF 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>Cisco Systems</organization>
<address>
<postal>
<street>170 West Tasman Drive</street>
<!-- Reorder these if your country does things differently -->
<city>San Jose</city>
<region>CA</region>
<code>95134</code>
<country>USA</country>
</postal>
<phone></phone>
<email>myeung@cisco.com</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>
<!-- Reorder these if your country does things differently -->
<city>San Jose</city>
<region>CA</region>
<code>95134</code>
<country>USA</country>
</postal>
<phone></phone>
<email>yiqu@cisco.com</email>
<!-- uri and facsimile elements may also be added -->
</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>zzhang@juniper.net</email>
<!-- uri and facsimile elements may also be added -->
</address>
</author>
<author fullname="Dean Bogdanovic" initials="D" surname="Bogdanovic">
<organization></organization>
<address>
<postal>
<street></street>
<!-- Reorder these if your country does things differently -->
<city></city>
<region></region>
<code></code>
<country></country>
</postal>
<phone></phone>
<email>ivandean@gmail.com</email>
<!-- uri and facsimile elements may also be added -->
</address>
</author>
<author fullname="Kiran Koushik Agrahara Sreenivasa" initials="K" surname="Sreenivasa">
<organization>Cisco Systems</organization>
<address>
<postal>
<street>12515 Research Blvd, Bldg 4</street>
<!-- Reorder these if your country does things differently -->
<city>Austin</city>
<region>TX</region>
<code>78681</code>
<country>USA</country>
</postal>
<phone></phone>
<email>kkoushik@cisco.com</email>
<!-- uri and facsimile elements may also be added -->
</address>
</author>
<date/>
<!-- If the month and year are both specified and are the current ones, xml2rfc will fill
in the current day for you. If only the current year is specified, xml2rfc will fill
in the current day and month for you. If the year is not the current one, it is
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
specify just the year. -->
<!-- Meta-data Declarations -->
<area>General</area>
<workgroup>Internet</workgroup>
<!-- WG name at the upperleft corner of the doc,
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. -->
<!-- Keywords will be incorporated into HTML output
files in a meta tag but they have no effect on text or nroff
output. If you submit your draft to the RFC Editor, the
keywords will be used for the search engine. -->
<abstract>
<t>This document defines a YANG data model that can be
used to configure and manage OSPF.</t>
</abstract>
</front>
<middle>
<section title="Overview">
<t>YANG <xref target="RFC6020"></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 and it is an augmentation to the core routing data model.
A core routing data model is defined in
<xref target="I-D.ietf-netmod-routing-cfg"></xref>,
and it provides the basis for the development of data models for routing
protocols. The interface data model is defined in
<xref target="RFC7223"></xref> and is used for referencing
interfaces from the routing protocol. The key-chain data model used for
OSPF authentication is defined in <xref target="I-D.acee-rtg-yang-key-chain"></xref>
and provides both a reference to configured key-chains and an
enumeration of cryptographic algorithms.</t>
<t>Both OSPFv2 <xref target="RFC2328"></xref> and OSPFv3
<xref target="RFC5340"></xref> are supported. In addition to
the core OSPF protocol, features described in other
OSPF RFCs are also supported. They includes demand circuit
<xref target="RFC1793"></xref>, traffic engineering <xref target="RFC3630"></xref>,
multiple address family <xref target="RFC5838"></xref>, graceful restart
<xref target="RFC3623"></xref> <xref target="RFC5187"></xref>,
NSSA <xref target="RFC3101"></xref>, and sham link <xref target="RFC4577"></xref>.
These non-core features are made optional in the OSPF 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="Design of Data Model">
<t>Although the basis of OSPF configuration elements like routers,
areas, and interfaces remains the same, the detailed configuration
model varies among router vendors. Differences are observed in terms
of how the protocol engine is tied to routing domain, how multiple
protocol engines are be instantiated, and configuration inheritance,
among others.</t>
<t>The goal of this document is to define a data model that provides a common user
interface to the OSPFv2 and OSPFv3 protocol. There is very little information that is
designated as "mandatory", providing freedom for vendors to adapt this data model to their
respective product implementations.</t>
<section title="Overview">
<t>The OSPF YANG module defined in this document has all the common building
blocks for the OSPF protocol.</t>
<t>The OSPF YANG module augments the routing/routing-instance/routing-protocols/routing-protocol
path defined in the ietf-routing module.</t>
<figure align="center">
<artwork align="left">
module: ospf
+--rw routing
+--rw routing-instance [name]
+--rw routing-protocols
+--rw routing-protocol [name]
+--rw ospf
.
.
+--rw all-instances-inherit {instance-inheritance}?
| .
| .
+--rw instance* [routing-instance af]
.
.
+--rw areas
| +--rw area* [area-id]
| .
| .
| +--rw all-interfaces-inherit {interface-inheritance}?
| .
| .
| +--rw virtual-links
| | +--rw virtual-link* [router-id]
| | .
| | .
| +--rw sham-links
| | +--rw sham-link* [local-id remote-id]
| | .
| | .
| +--rw interfaces
| | +--rw interface* [interface]
| | .
| | .
| .
| .
+--rw topologies
+--rw topology* [name]
</artwork>
</figure>
<t>The ospf module is intended to match to the vendor specific
OSPF configuration construct that is identified by a local identifier 'name'.
The field 'version' allows support for OSPFv2 and OSPFv3.</t>
<t>The ospf container includes one or more OSPF protocol engines, each
enclosed in a separate instance entity. Each instance includes information
for the routing domain based on the [routing-instance af] specification.
There is no default routing domain assumed by the data model. For example,
to enable OSPF on a vendor's default IPv4 routing domain, an explicit instance
entity with a specification like ["default" "ipv4-unicast"] is required.
The instance also contains OSPF router level configuration</t>
<t>The instance/area and instance/area/interface containers respectively
define the OSPF configuration for OSPF areas and interfaces.</t>
<t>The instance/topology container defines the OSPF
configuration for OSPF topologies when the multi-topology feature is supported.</t>
</section>
<section title="OSPFv2 and OSPFv3">
<t>The data model defined herein supports both OSPFv2 and OSPFv3.</t>
<t>The field 'version' is used to indicate the OSPF version and is
mandatory. Based on the configured version, the data model varies
to accommodate the differences between OSPFv2 and OSPFv3.</t>
</section>
<section title="Optional Features">
<t>Optional features are beyond the basic OSPF configuration and
it is the responsibility of each vendor to decide whether to
support a given feature on a particular device.</t>
<t>This model defines a number of features, such as NSR, max-LSA,
etc. It is expected that vendors will support additional
features through vendor specific augmentations.</t>
</section>
<section title="Inheritance">
<t>This data model supports configuration inheritance at different levels
including instance-level, area-level, and interface-level inheritance.</t>
<t>The all-instances-inherit, all-areas-inherit, and all-interfaces-inherit
containers are defined to provide a consistent way to configure inheritable
configuration parameters. For example, parameters defined in the
all-instances-inherit container apply to all OSPF instances. However, a
particular instance configuration can override this inheritance.</t>
<t>Inheritance is defined as an optional feature, and vendors are
permitted to augment the inheritance containers with their own
vendor specific parameters.</t>
</section>
<section title="OSPF Router Configuration">
<t>The ospf container is the top level container in this data model. It contains
shared information among the OSPF instances configured within the container.
</t>
<figure align="center">
<artwork align="left">
module: ospf
+--rw ospf
+--rw all-instances-inherit {instance-inheritance}?
| +--rw area
| +--rw interface
+--rw operation-mode? identityref
+--rw instance* [af]
.
.
</artwork>
</figure>
</section>
<section title="OSPF Instance Configuration">
<t>The instance container represents an OSPF protocol engine and contains
the router level configuration. The routing domain for each instance
is dictated through the specification of [routing-instance af].</t>
<t>The all-areas-inherit container contains area configuration that
may be inherited by configured OSPF areas.</t>
<figure align="center">
<artwork align="left">
module: ospf
+--rw ospf
.
.
+--rw instance* [af]
+--rw af identityref
+--rw router-id? yang:dotted-quad {router-id}?
+--rw admin-distance
| +--rw (scope)?
| +--:(single-value)
| | +--rw all? uint8
| +--:(multi-values)
| +--rw (granularity)?
| | +--:(detail)
| | | +--rw intra-area? uint8
| | | +--rw inter-area? uint8
| | +--:(coarse)
| | +--rw internal? uint8
| +--rw external? uint8
+--rw nsr {nsr}?
| +--rw enable? boolean
+--rw graceful-restart {graceful-restart}?
| +--rw enable? boolean
| +--rw helper-enable? boolean
| +--rw restart-interval? uint16
| +--rw helper-strict-lsa-checking? boolean
+--rw enable? boolean {admin-control}?
+--rw auto-cost {auto-cost}?
| +--rw enable? boolean
| +--rw reference-bandwidth? uint32
+--rw spf-control
| +--rw paths? uint16 {max-ecmp}?
+--rw database-control
| +--rw max-lsa? uint32 {max-lsa}?
+--rw stub-router {stub-router}?
| +--rw (trigger)?
| +--:(always)
| +--rw always!
+--rw mpls
| +--rw te-rid {te-rid}?
| | +--rw (source)?
| | +--:(interface)
| | | +--rw interface? if:interface-ref
| | +--:(explicit)
| | +--rw router-id? inet:ipv4-address
| +--rw ldp
| +--rw igp-sync? boolean {ldp-igp-sync}?
| +--rw autoconfig? boolean {ldp-igp-autoconfig}?
+--rw fast-reroute {fast-reroute}?
| +--rw lfa {lfa}?
+--rw all-areas-inherit {area-inheritance}?
| +--rw area
| +--rw interface
</artwork>
</figure>
</section>
<section title="OSPF Area Configuration">
<t>The area container contains OSPF area configuration and the list
of interface containers representing all the OSPF interfaces
in the area.</t>
<t>The all-interfaces-inherit contains interface configuration that
may be inherited by all OSPF area interfaces.</t>
<figure align="center">
<artwork align="left">
module: ospf
+--rw ospf
.
.
+--rw instance* [routing-instance af]
.
.
+--rw areas
| +--rw area* [area-id]
| +--rw area-id area-id-type
| +--rw area-type? identityref
| +--rw summary? boolean
| +--rw default-cost? uint32
| +--rw ranges
| | +--rw range* [prefix]
| | +--rw prefix inet:ip-prefix
| | +--rw advertise? boolean
| | +--rw cost? uint24
| +--rw all-interfaces-inherit {interface-inheritance}?
| | +--rw interface
| +--rw virtual-links
| | +--rw virtual-link* [router-id]
| | +--rw router-id yang:dotted-quad
| | +--rw cost? uint16
| | +--rw hello-interval? uint16
| | +--rw dead-interval? uint16
| | +--rw retransmit-interval? uint16
| | +--rw transmit-delay? uint16
| | +--rw mtu-ignore? boolean {mtu-ignore}?
| | +--rw lls? boolean {lls}?
| | +--rw prefix-suppression? boolean {prefix-suppression}?
| | +--rw ttl-security {ttl-security}?
| | | +--rw enable? boolean
| | | +--rw hops? uint8
| | +--rw enable? boolean {admin-control}?
| | +--rw authentication
| | +--rw (auth-type-selection)?
| | +--:(auth-ipsec) {ospfv3-authentication-ipsec}?
| | | +--rw sa? string
| | +--:(auth-trailer-key-chain)
| | | +--rw key-chain? key-chain:key-chain-ref
| | +--:(auth-trailer-key)
| | +--rw key? string
| | +--rw crypto-algorithm
| | +--rw (algorithm)?
| | +--:(hmac-sha-1-12) {crypto-hmac-sha-1-12}?
| | | +--rw hmac-sha1-12? empty
| | +--:(md5)
| | | +--rw md5? empty
| | +--:(sha-1)
| | | +--rw sha-1? empty
| | +--:(hmac-sha-1)
| | | +--rw hmac-sha-1? empty
| | +--:(hmac-sha-256)
| | | +--rw hmac-sha-256? empty
| | +--:(hmac-sha-384)
| | | +--rw hmac-sha-384? empty
| | +--:(hmac-sha-512)
| | +--rw hmac-sha-512? empty
| +--rw sham-link
| | +--rw sham-link* [local-id remote-id]
| | +--rw local-id inet:ip-address
| | +--rw remote-id inet:ip-address
| | +--rw cost? uint16
| | +--rw hello-interval? uint16
| | +--rw dead-interval? uint16
| | +--rw retransmit-interval? uint16
| | +--rw transmit-delay? uint16
| | +--rw mtu-ignore? boolean {mtu-ignore}?
| | +--rw lls? boolean {lls}?
| | +--rw prefix-suppression? boolean {prefix-suppression}?
| | +--rw bfd? boolean {bfd}?
| | +--rw ttl-security {ttl-security}?
| | | +--rw enable? boolean
| | | +--rw hops? uint8
| | +--rw enable? boolean {admin-control}?
| | +--rw authentication
| | +--rw (auth-type-selection)?
| | +--:(auth-ipsec) {ospfv3-authentication-ipsec}?
| | | +--rw sa? string
| | +--:(auth-trailer-key-chain)
| | | +--rw key-chain? key-chain:key-chain-ref
| | +--:(auth-trailer-key)
| | +--rw key? string
| | +--rw crypto-algorithm
| | +--rw (algorithm)?
| | +--:(hmac-sha-1-12) {crypto-hmac-sha-1-12}?
| | | +--rw hmac-sha1-12? empty
| | +--:(md5)
| | | +--rw md5? empty
| | +--:(sha-1)
| | | +--rw sha-1? empty
| | +--:(hmac-sha-1)
| | | +--rw hmac-sha-1? empty
| | +--:(hmac-sha-256)
| | | +--rw hmac-sha-256? empty
| | +--:(hmac-sha-384)
| | | +--rw hmac-sha-384? empty
| | +--:(hmac-sha-512)
| | +--rw hmac-sha-512? empty
</artwork>
</figure>
</section>
<section title="OSPF Interface Configuration">
<t>The interface container contains OSPF interface configuration.</t>
<figure align="left">
<artwork align="left">
module: ospf
+--rw ospf
.
.
+--rw instance* [routing-instance af]
.
.
+--rw areas
| +--rw area* [area-id]
.
.
| +--rw interfaces
| +--rw interface* [interface]
| +--rw interface if:interface-ref
| +--rw network-type? enumeration
| +--rw passive? boolean
| +--rw demand-circuit? boolean {demand-circuit}?
| +--rw multi-areas
| | +--rw multi-area* [multi-area-id] {multi-area-adj}?
| | +--rw multi-area-id area-id-type
| | +--rw cost? uint16
| +--rw static-neighbors
| | +--rw neighbor* [address]
| | +--rw address inet:ip-address
| | +--rw cost? uint16
| | +--rw poll-interval? uint16
| | +--rw priority? uint8
| +--rw node-flag? boolean {node-flag}?
| +--rw fast-reroute {fast-reroute}?
| | +--rw lfa {lfa}?
| | +--rw candidate-disabled? boolean
| | +--rw enabled? boolean
| | +--rw remote-lfa {remote-lfa}?
| | +--rw enabled? boolean
| +--rw cost? uint16
| +--rw hello-interval? uint16
| +--rw dead-interval? uint16
| +--rw retransmit-interval? uint16
| +--rw transmit-delay? uint16
| +--rw mtu-ignore? boolean {mtu-ignore}?
| +--rw lls? boolean {lls}?
| +--rw prefix-suppression? boolean {prefix-suppression}?
| +--rw ttl-security {ttl-security}?
| | +--rw enable? boolean
| | +--rw hops? uint8
| +--rw enable? boolean {admin-control}?
| +--rw authentication
| | +--rw (auth-type-selection)?
| | +--:(auth-ipsec) {ospfv3-authentication-ipsec}?
| | | +--rw sa? string
| | +--:(auth-trailer-key-chain)
| | | +--rw key-chain? key-chain:key-chain-ref
| | +--:(auth-trailer-key)
| | +--rw key? string
| | +--rw crypto-algorithm
| | +--rw (algorithm)?
| | +--:(hmac-sha-1-12) {crypto-hmac-sha-1-12}?
| | | +--rw hmac-sha1-12? empty
| | +--:(md5)
| | | +--rw md5? empty
| | +--:(sha-1)
| | | +--rw sha-1? empty
| | +--:(hmac-sha-1)
| | | +--rw hmac-sha-1? empty
| | +--:(hmac-sha-256)
| | | +--rw hmac-sha-256? empty
| | +--:(hmac-sha-384)
| | | +--rw hmac-sha-384? empty
| | +--:(hmac-sha-512)
| | +--rw hmac-sha-512? empty
| +--rw topologies
| +--rw topology* [name]
| +--rw name leafref
| +--rw cost? uint32
</artwork>
</figure>
</section>
<section title="OSPF notification">
<t>This YANG model defines a list of notifications that inform YANG
clients of important events detected during protocol operation. The
defined notifications cover the common set of traps from the OSPFv2 MIB
<xref target="RFC4750"></xref> and OSPFv3 MIB <xref target="RFC5643"></xref>.</t>
<figure align="left">
<artwork align="left">
module: ospf
notifications:
+---n if-state-change
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro (if-link-type-selection)?
| | +--:(interface)
| | | +--ro interface
| | | +--ro interface? if:interface-ref
| | +--:(virtual-link)
| | | +--ro virtual-link
| | | +--ro area-id? area-id-type
| | | +--ro neighbor-router-id? yang:dotted-quad
| | +--:(sham-link)
| | +--ro sham-link
| | +--ro area-id? area-id-type
| | +--ro local-ip-addr? inet:ip-address
| | +--ro remote-ip-addr? inet:ip-address
| +--ro state? if-state-type
+---n if-config-error
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro (if-link-type-selection)?
| | +--:(interface)
| | | +--ro interface
| | | +--ro interface? if:interface-ref
| | +--:(virtual-link)
| | | +--ro virtual-link
| | | +--ro area-id? area-id-type
| | | +--ro neighbor-router-id? yang:dotted-quad
| | +--:(sham-link)
| | +--ro sham-link
| | +--ro area-id? area-id-type
| | +--ro local-ip-addr? inet:ip-address
| | +--ro remote-ip-addr? inet:ip-address
| +--ro packet-source? yang:dotted-quad
| +--ro packet-type? packet-type
| +--ro error? enumeration
+---n nbr-state-change
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro (if-link-type-selection)?
| | +--:(interface)
| | | +--ro interface
| | | +--ro interface? if:interface-ref
| | +--:(virtual-link)
| | | +--ro virtual-link
| | | +--ro area-id? area-id-type
| | | +--ro neighbor-router-id? yang:dotted-quad
| | +--:(sham-link)
| | +--ro sham-link
| | +--ro area-id? area-id-type
| | +--ro local-ip-addr? inet:ip-address
| | +--ro remote-ip-addr? inet:ip-address
| +--ro neighbor-router-id? yang:dotted-quad
| +--ro neighbor-ip-addr? yang:dotted-quad
| +--ro state? nbr-state-type
+---n nbr-restart-helper-status-change
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro (if-link-type-selection)?
| | +--:(interface)
| | | +--ro interface
| | | +--ro interface? if:interface-ref
| | +--:(virtual-link)
| | | +--ro virtual-link
| | | +--ro area-id? area-id-type
| | | +--ro neighbor-router-id? yang:dotted-quad
| | +--:(sham-link)
| | +--ro sham-link
| | +--ro area-id? area-id-type
| | +--ro local-ip-addr? inet:ip-address
| | +--ro remote-ip-addr? inet:ip-address
| +--ro neighbor-router-id? yang:dotted-quad
| +--ro neighbor-ip-addr? yang:dotted-quad
| +--ro status? restart-helper-status-type
| +--ro age? uint32
| +--ro exit-reason? restart-exit-reason-type
+---n rx-bad-packet
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro (if-link-type-selection)?
| | +--:(interface)
| | | +--ro interface
| | | +--ro interface? if:interface-ref
| | +--:(virtual-link)
| | | +--ro virtual-link
| | | +--ro area-id? area-id-type
| | | +--ro neighbor-router-id? yang:dotted-quad
| | +--:(sham-link)
| | +--ro sham-link
| | +--ro area-id? area-id-type
| | +--ro local-ip-addr? inet:ip-address
| | +--ro remote-ip-addr? inet:ip-address
| +--ro packet-source? yang:dotted-quad
| +--ro packet-type? packet-type
+---n lsdb-approaching-overflow
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro ext-lsdb-limit? uint32
+---n lsdb-overflow
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro ext-lsdb-limit? uint32
+---n nssa-translator-status-change
| +--ro routing-instance? rt:routing-instance-ref
| +--ro routing-protocol-type? -> ...
| +--ro routing-protocol-name? -> ...
| +--ro af? -> ...
| +--ro area-id? area-id-type
| +--ro status? nssa-translator-state-type
+---n restart-status-change
+--ro routing-instance? rt:routing-instance-ref
+--ro routing-protocol-type? -> ...
+--ro routing-protocol-name? -> ...
+--ro af? -> ...
+--ro status? restart-status-type
+--ro restart-interval? uint16
+--ro exit-reason? restart-exit-reason-type
</artwork>
</figure>
</section>
</section>
<section title="OSPF Segment Routing">
<t>In addition to the OSPF base YANG model, this document also
defines a model for the OSPF segment routing feature.</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.</t>
<figure align="left">
<artwork align="left">
module: ietf-ospf-sr
augment /rt:routing/rt:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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:routing-instance/rt:routing-protocols
/rt:routing-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