LSR Working Group Y. Qu Internet-Draft U. Chunduri Intended status: Standards Track Futurewei Expires: January 8, 2020 J. Tantsura Apstra July 7, 2019 YANG Data Model for Preferred Path Routing draft-qct-lsr-ppr-yang-02 Abstract This document defines YANG data modules for preferred path routing ([I-D.chunduri-lsr-isis-preferred-path-routing], [I-D.chunduri-lsr-ospf-preferred-path-routing]) configuration and operation. The YANG modules are intended to be used on network elements to manage the configurations and operations of preferred path routing. Requirements Language 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 [RFC2119]. Status of This Memo This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at https://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." This Internet-Draft will expire on January 8, 2020. Copyright Notice Copyright (c) 2019 IETF Trust and the persons identified as the document authors. All rights reserved. Qu, et al. Expires January 8, 2020 [Page 1] Internet-Draft ppr-yang July 2019 This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License. Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1. Tree diagram . . . . . . . . . . . . . . . . . . . . . . 2 2. PPR YANG Module . . . . . . . . . . . . . . . . . . . . . . . 2 3. ISIS PPR YANG Module . . . . . . . . . . . . . . . . . . . . 11 4. OSPF PPR YANG Module . . . . . . . . . . . . . . . . . . . . 22 5. Security Considerations . . . . . . . . . . . . . . . . . . . 57 6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 58 7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 58 8. References . . . . . . . . . . . . . . . . . . . . . . . . . 58 8.1. Normative References . . . . . . . . . . . . . . . . . . 58 8.2. Informative References . . . . . . . . . . . . . . . . . 59 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 59 1. Introduction This document defines YANG data modules ([RFC6020], [RFC7950]) for preferred path routing configuration and operation. There are three YANG modules defined in this document. Module ietf- ppr.yang defined the protocol independent part of configuration and operations. Two IGP modules are defined as ietf-isis-ppr.yang and ietf-ospf-ppr.yang. 1.1. Tree diagram Tree diagrams used in this document follow the notation defined in [I-D.ietf-netmod-yang-tree-diagrams]. 2. PPR YANG Module This YANG module defines protocol independent part of configuration and operation of preferred path routing (PPR) as defined in ([I-D.chunduri-lsr-isis-preferred-path-routing]). module: ietf-ppr augment /rt:routing: Qu, et al. Expires January 8, 2020 [Page 2] Internet-Draft ppr-yang July 2019 +--rw preferred-path-routing +--rw preferred-path-lists* [name] +--rw name string +--rw preferred-path-mpls* [ppr-id] | +--rw ppr-prefix? inet:ip-prefix | +--rw ppr-id uint32 | +--rw algo? uint8 | +--rw ppr-pde* [pde-id] | | +--rw pde-id uint32 | | +--rw pde-id-type? ppr-pde-id-type | | +--rw loose? boolean | | +--rw pde-type? ppr-pde-type | +--rw attributes | +--rw count-packets? boolean | +--rw count-bytes? boolean | +--rw ppr-metric? uint32 +--rw preferred-path-ipv4* [ppr-id] | +--rw ppr-prefix? inet:ipv4-prefix | +--rw ppr-id inet:ipv4-prefix | +--rw algo? uint8 | +--rw ppr-pde* [pde-id] | | +--rw pde-id inet:ipv4-address | | +--rw pde-id-type? ppr-pde-id-type | | +--rw loose? boolean | | +--rw pde-type? ppr-pde-type | +--rw attributes | +--rw count-packets? boolean | +--rw count-bytes? boolean | +--rw ppr-metric? uint32 +--rw preferred-path-ipv6* [ppr-id] | +--rw ppr-id inet:ipv6-prefix | +--rw algo? uint8 | +--rw ppr-prefix? inet:ipv6-prefix | +--rw ppr-pde* [pde-id] | | +--rw pde-id inet:ipv6-prefix | | +--rw pde-id-type? ppr-pde-id-type | | +--rw loose? boolean | | +--rw pde-type? ppr-pde-type | +--rw attributes | +--rw count-packets? boolean | +--rw count-bytes? boolean | +--rw ppr-metric? uint32 +--rw preferred-path-srv6* [ppr-id] +--rw ppr-id inet:ipv6-prefix +--rw algo? uint8 +--rw ppr-pde* [pde-id] | +--rw pde-id inet:ipv6-address +--rw pde-id-type? ppr-pde-id-type Qu, et al. Expires January 8, 2020 [Page 3] Internet-Draft ppr-yang July 2019 +--rw loose? boolean +--rw pde-type? ppr-pde-type +--rw attributes +--rw count-packets? boolean +--rw count-bytes? boolean +--rw ppr-metric? uint32 file "ietf-ppr@2019-07-07.yang" module ietf-ppr { yang-version 1.1; namespace "urn:ietf:params:xml:ns:yang:ietf-ppr"; prefix ppr; import ietf-inet-types { prefix inet; } import ietf-routing { prefix rt; } organization "IETF LSR - Link State Routing Working Group"; contact "WG Web: WG List: Author: Yingzhen Qu Uma Chunduri "; description "This Yang module defines the configuration and operational state for Preferred Path Routing common to all vendor implementations. This YANG model conforms to the Network Management Datastore Architecture (NDMA) as described in RFC XXXX. Copyright (c) 2019 IETF Trust and the persons identified as authors of the code. All rights reserved. Redistribution and use in source and binary forms, with or without modification, is permitted pursuant to, and subject to the license terms contained in, the Simplified BSD License set forth in Section 4.c of the IETF Trust's Legal Provisions Qu, et al. Expires January 8, 2020 [Page 4] Internet-Draft ppr-yang July 2019 Relating to IETF Documents (http://trustee.ietf.org/license-info). This version of this YANG module is part of RFC XXXX; see the RFC itself for full legal notices."; reference "RFC XXXX"; revision 2019-07-07 { description "Initial revision."; reference "RFC XXXX: A YANG Data Model for PPR."; } typedef ppr-pde-type { type enumeration { enum topological { value "1"; description "Topological PPR PDE."; } enum non-topological { value "2"; description "Non-Topological PPR PED."; } } description "PPR PDE type."; } typedef ppr-pde-id-type { type enumeration { enum sidlabel { value "1"; description "PPR ID in mpls label format."; } enum prefix-sid { value "2"; description "SR-MPLS prefix SID."; } enum adj-sid { value "3"; description "SR-MPLS adjacency SID."; } enum ipv4-node { Qu, et al. Expires January 8, 2020 [Page 5] Internet-Draft ppr-yang July 2019 value "4"; description "IPv4 node address."; } enum ipv4-p2p { value "5"; description "IPv5 P2P interface address."; } enum ipv4-lan { value "6"; description "IPv4 Lan interface address."; } enum ipv6-node { value "7"; description "IPv6 node address."; } enum ipv6-p2p { value "8"; description "IPv6 P2P interface address."; } enum ipv6-lan { value "9"; description "IPv6 LAN interface address."; } enum srv6-node-sid { value "10"; description "PDE ID in SRv6 node SID format."; } enum srv6-adj-sid { value "11"; description "PDE ID in SRv6 node SID format."; } } description "Type of PPR ID."; } /* Groupings*/ grouping ppr-attributes { leaf count-packets { type boolean; description Qu, et al. Expires January 8, 2020 [Page 6] Internet-Draft ppr-yang July 2019 "create a counter to count number of packets forwarded on this PPR-ID on each node in the path description."; } leaf count-bytes { type boolean; description "create a conter to count number of bytes."; } leaf ppr-metric { type uint32; description "Metric of the path prepsented by the PPR-ID."; } description "Groupings for PPR attributes."; } grouping pde-attributes { leaf pde-id-type { type ppr-pde-id-type; description "PDE forwarding identifier type."; } leaf loose { type boolean; default "true"; description "If set, the next topological PDE is loose."; } leaf pde-type { type ppr-pde-type; description "PPR PDE type."; } description "Groupings for PDE attributes."; } augment "/rt:routing" { description "This module augments routing-instace configuration with preferred path routing."; container preferred-path-routing { description "preferred path routing configuration."; list preferred-path-lists { key "name"; Qu, et al. Expires January 8, 2020 [Page 7] Internet-Draft ppr-yang July 2019 description "Preferred path lists."; leaf name { type string; description "PPR path list ID."; } list preferred-path-mpls { key "ppr-id"; description "List of preferred path using MPLS data plane."; leaf ppr-prefix { type inet:ip-prefix; description "PPR Prefix representing the destination of the path."; } leaf ppr-id { type uint32; description "PPR ID, A 20 bit label or 32 bit SID."; } leaf algo { type uint8; description "SPF algorithm."; } list ppr-pde { key "pde-id"; leaf pde-id { type uint32; description "PDE identifiler."; } uses pde-attributes; description "List of PPR Path Description Element (PDE)."; } container attributes { uses ppr-attributes; description "PPR attributes."; } } list preferred-path-ipv4 { key "ppr-id"; description "List of preferred path using IPv4 data plane."; Qu, et al. Expires January 8, 2020 [Page 8] Internet-Draft ppr-yang July 2019 leaf ppr-prefix { type inet:ipv4-prefix; description "PPR Prefix representing the destination of the path."; } leaf ppr-id { type inet:ipv4-prefix; description "PPR ID, IPv4 address format."; } leaf algo { type uint8; description "SPF algorithm."; } list ppr-pde { key "pde-id"; leaf pde-id { type inet:ipv4-address; description "PDE identifier."; } uses pde-attributes; description "List of PPR Path Description Element (PDE)."; } container attributes { uses ppr-attributes; description "PPR attributes."; } } list preferred-path-ipv6 { key "ppr-id"; description "List of preferred path using IPv6 data plane."; leaf ppr-id { type inet:ipv6-prefix; description "PPR ID, IPv6 address format."; } leaf algo { type uint8; description "SPF algorithm."; } leaf ppr-prefix { type inet:ipv6-prefix; Qu, et al. Expires January 8, 2020 [Page 9] Internet-Draft ppr-yang July 2019 description "The prefix at the tail-end of the advertised PPR."; } list ppr-pde { key "pde-id"; leaf pde-id { type inet:ipv6-prefix; description "PDE identifier."; } uses pde-attributes; description "List of PPR Path Description Element (PDE)."; } container attributes { uses ppr-attributes; description "PPR attributes."; } } list preferred-path-srv6 { key "ppr-id"; description "List of preferred path using SRv6 data plane."; leaf ppr-id { type inet:ipv6-prefix; description "PPR ID, SRv6 SID format."; } leaf algo { type uint8; description "SPF algorithm."; } list ppr-pde { key "pde-id"; leaf pde-id { type inet:ipv6-address; description "PDE identifier."; } description "List of PPR Path Description Element (PDE)."; } uses pde-attributes; container attributes { uses ppr-attributes; Qu, et al. Expires January 8, 2020 [Page 10] Internet-Draft ppr-yang July 2019 description "PPR attributes."; } } } } } } 3. ISIS PPR YANG Module This YANG module defines ISIS configuration and operation of preferred path routing (PPR) as defined in ([I-D.chunduri-lsr-isis-preferred-path-routing]). It augments base ISIS module defined in [I-D.ietf-isis-yang-isis-cfg]. module: ietf-isis-ppr augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/isis:isis: +--rw ppr +--rw ppr-enable* [name] +--rw enable? boolean +--rw name -> /rt:routing/ppr:preferred-path-routing /preferred-path-lists/name augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/isis:isis/isis:database /isis:levels/isis:lsp: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro fragment-id? uint8 +--ro mt-id? uint16 +--ro algorithm? uint8 +--ro ppr-prefix-sub-tlv | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro isis-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlv* | +--ro type? uint8 | +--ro length? uint8 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 Qu, et al. Expires January 8, 2020 [Page 11] Internet-Draft ppr-yang July 2019 | +--ro ppr-id-mask-len? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro sub-tlv-length? uint8 | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlv* | +--ro type? uint8 | +--ro length? uint8 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 file "ietf-isis-ppr@2019-07-07.yang" module ietf-isis-ppr { yang-version 1.1; namespace "urn:ietf:params:xml:ns:yang:ietf-isis-ppr"; Qu, et al. Expires January 8, 2020 [Page 12] Internet-Draft ppr-yang July 2019 prefix isis-ppr; import ietf-inet-types { prefix inet; } import ietf-yang-types { prefix "yang"; } import ietf-routing { prefix rt; } import ietf-isis { prefix "isis"; } import ietf-ppr { prefix "ppr"; } organization "IETF LSR - Link State Routing Working Group"; contact "WG Web: WG List: Author: Yingzhen Qu Uma Chunduri "; description "This Yang module defines the configuration and operational state for Preferred Path Routing common to all vendor implementations. This YANG model conforms to the Network Management Datastore Architecture (NDMA) as described in RFC XXXX. Copyright (c) 2019 IETF Trust and the persons identified as authors of the code. All rights reserved. Redistribution and use in source and binary forms, with or without modification, is permitted pursuant to, and subject to the license terms contained in, the Simplified BSD License Qu, et al. Expires January 8, 2020 [Page 13] Internet-Draft ppr-yang July 2019 set forth in Section 4.c of the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info). This version of this YANG module is part of RFC XXXX; see the RFC itself for full legal notices."; reference "RFC XXXX"; revision 2019-07-07 { description "Initial revision."; reference "RFC XXXX: A YANG Data Model for ISIS PPR."; } /* Groupings */ grouping tlv { description "TLV"; leaf type { type uint8; description "TLV type."; } leaf length { type uint8; description "TLV length (octets)."; } leaf value { type yang:hex-string; description "TLV value."; } } grouping general-tlvs { description "Unknown TLVs grouping - Used for unknown TLVs or unknown sub-TLVs."; list unknown-tlv { description "General TLV."; uses tlv; } } grouping ppr-prefix-sub-tlv { description "ISIS destination prefix."; Qu, et al. Expires January 8, 2020 [Page 14] Internet-Draft ppr-yang July 2019 container ppr-prefix-sub-tlv { leaf prefix-len { type uint8; description "The length of the profix in bytes."; } leaf mask-len { type uint8; description "The length of the profix in bits."; } leaf isis-prefix { type inet:ip-address; description "FEC Prefix."; } container ppr-prefix-sub-sub-tlvs { uses general-tlvs; description "PPR Prefix sub sub-tlvs."; } description "PPR Prefix sub-tlv."; } } grouping ppr-id-sub-tlv { description "PPR ID: the actual data plane identifier in the packet header."; container ppr-id-sub-tlv { leaf ppr-id-type { type enumeration { enum mpls { value 1; description "PPR ID in mpls label format."; } enum ipv4 { value 2; description "PPR ID in IPv4 address format."; } enum ipv6 { value 3; description "PPR ID in ipv6 address format."; } enum srv6 { value 4; description "PPR ID in SRv6 SID format."; Qu, et al. Expires January 8, 2020 [Page 15] Internet-Draft ppr-yang July 2019 } } description "Type of PPR ID."; } leaf ppr-id-len { type uint8; description "Length of the PPR ID."; } leaf ppr-id-mask-len { type uint8; description "The length of the profix in bits."; } choice ppr-id { leaf mpls-id { type uint32; description "MPLS Label format."; } leaf ipv4-id { type inet:ipv4-prefix; description "IPv4 format."; } leaf srv6-ipv6-id { type inet:ipv6-prefix; description "SRv6 or IPv6 format."; } description "Preferred Path ID."; } description "PPR ID sub tlv."; } } grouping ppr-pde-sub-tlv { description "This sub-tlv represents the PPR Path Description Element (PDE)."; list ppr-pde-sub-tlvs { description "PPR PDE sub tlvs."; leaf pde-type { type enumeration { enum topological { value 1; description "Topological PDE."; } enum non-topological { value 2; Qu, et al. Expires January 8, 2020 [Page 16] Internet-Draft ppr-yang July 2019 description "Non-topological PDE."; } } description "Type of PDE."; } leaf ppr-pde-flags { type bits { bit L { position 0; description "If set, the PPR path is a Loose-PPR."; } bit N { position 1; description "If set, the PDE is topological and this PDE represents the node PPR-prfix"; } bit E { position 2; description "Egress Bit. By default this bit MUST be unset."; } } description "Flags."; } leaf pde-id-type { type ppr:ppr-pde-id-type; description "Type of PPR PDE ID."; } leaf pde-id-len { type uint8; description "Length of the PDE ID."; } choice pde-id { leaf mpls-id { type uint32; description "MPLS Label format."; } leaf ipv4-id { type inet:ipv4-prefix; description "IPv4 format."; } leaf srv6-ipv6-id { type inet:ipv6-prefix; description "SRv6 or IPv6 format."; Qu, et al. Expires January 8, 2020 [Page 17] Internet-Draft ppr-yang July 2019 } description "Preferred Path ID."; } leaf sub-tlv-length{ type uint8; description "Length of all sub-TLVs followed."; } container ppr-pde-sub-sub-tlvs { uses general-tlvs; description "PPR PDE sub sub-tlvs."; } } } grouping ppr-attribute-sub-tlv { description "Grouping for PPR attribute sub-tlvs."; container ppr-attribute-sub-tlv { description "PPR attribute sub-tlv."; container traffic-accounting-sub-tlv { description "packet traffic acccounting sub-tlv. Specifies to create a counter to count number of packets forwarded to this PPR-ID on each node in the path description."; leaf type { type uint8; default 1; description "Type 1 sub-tlv."; } } container traffic-statis-sub-tlv { description "Specifies to create a counter to count number of bytes forwarded on this PPR-ID specified in the network header (e.g. IPv4, IPv6) on each node in the path description."; leaf type { type uint8; default 2; description "Traffic statistics in bytes sub-tlv."; } } container ipv4-routerid-sub-tlv { description "PPR-prefix originating node's IPv4 router ID."; leaf type { type uint8; default 3; Qu, et al. Expires January 8, 2020 [Page 18] Internet-Draft ppr-yang July 2019 description "PPR-prefix originating node's IPv4 router ID."; } leaf length { type uint8; default 4; description "Lenght is 4 bytes."; } leaf value { type inet:ipv4-address; description "IPv4 router ID."; } } container ipv6-routerid-sub-tlv { description "PPR-prefix originating node's IPv6 router ID."; leaf type { type uint8; default 4; description "PPR-prefix originating node's IPv6 router ID."; } leaf length { type uint8; default 16; description "Length is 16 bytes."; } leaf value { type inet:ipv6-address; description "IPv6 router ID."; } } container ppr-metric-sub-tlv { description "The metric of this path represented through the PPR-ID."; leaf type { type uint8; default 5; description "Metric sub-tlv."; } leaf length { type uint8; default 4; description "4 bytes."; } leaf value { type uint32; description "Metirc of the PPR-ID."; } } } Qu, et al. Expires January 8, 2020 [Page 19] Internet-Draft ppr-yang July 2019 } grouping ppr-tlvs { description "PPR TLV encodings."; container ppr-tlvs { description "List of PPR TLVs."; list ppr-tlv { description "List of PPR TLVs."; leaf flags { type bits { bit F { position 0; description "If set, the PPR TLV must be flooded across the entire routing domain."; } bit D { position 1; description "If set, the PPR TLV is leaked from ISIS level-2 to level-1."; } bit A { position 2; description "If set, it is to signal that the prefixes and PPR IDs advertised in this TLV are directly connected to their originators."; } bit U { position 3; description "U bit MUST be set if a path has only one fragment or if it is the last Fragment of the path."; } } description "Flags."; } leaf fragment-id { type uint8 { range "0 .. 127"; } description "Identifiler of the fragment."; } leaf mt-id { type uint16 { Qu, et al. Expires January 8, 2020 [Page 20] Internet-Draft ppr-yang July 2019 range "0 .. 4095"; } description "This leaf defines the identifier of a topology as in RFC 5120."; } leaf algorithm { type uint8; description "The SPF algorithm."; } uses ppr-prefix-sub-tlv; uses ppr-id-sub-tlv; uses ppr-pde-sub-tlv; uses ppr-attribute-sub-tlv; } } } /* Configuration */ augment "/rt:routing/rt:control-plane-protocols" + "/rt:control-plane-protocol/isis:isis" { when "../rt:type = 'isis:isis'" { description "This augments the ISIS routing protocol when used."; } description "This augments the ISIS protocol configuration with preferred path routing."; container ppr { description "ISIS PPR."; leaf enable { type boolean; default false; description "Enable PPR."; } list ppr-advertise { key "name"; leaf name { type leafref { path "/rt:routing/ppr:preferred-path-routing/" + "ppr:preferred-path-lists/ppr:name"; } description Qu, et al. Expires January 8, 2020 [Page 21] Internet-Draft ppr-yang July 2019 "PPR path list name."; } description "Enable PPR path advertisement."; } } } /* Database */ augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol" + "/isis:isis/isis:database/isis:levels/isis:lsp" { when "/rt:routing/rt:control-plane-protocols/"+ "rt:control-plane-protocol/rt:type = 'isis:isis'" { description "This augment ISIS routing protocol when used"; } description "This augments ISIS protocol LSDB."; uses ppr-tlvs; } } 4. OSPF PPR YANG Module This YANG module defines OSPF configuration and operation of preferred path routing (PPR) as defined in ([I-D.chunduri-lsr-ospf-preferred-path-routing]). It augments the base OSPF module defined in [I-D.ietf-ospf-yang]. Both OSPFv2 and OSPFv3 are included. module: ietf-ospf-ppr augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf: +--rw ppr +--rw ppr-enable* [name] +--rw enable? boolean +--rw name -> /rt:routing/ppr:preferred-path-routing /preferred-path-lists/name augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/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: Qu, et al. Expires January 8, 2020 [Page 22] Internet-Draft ppr-yang July 2019 +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 Qu, et al. Expires January 8, 2020 [Page 23] Internet-Draft ppr-yang July 2019 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/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 ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* Qu, et al. Expires January 8, 2020 [Page 24] Internet-Draft ppr-yang July 2019 | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/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 ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address Qu, et al. Expires January 8, 2020 [Page 25] Internet-Draft ppr-yang July 2019 | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 Qu, et al. Expires January 8, 2020 [Page 26] Internet-Draft ppr-yang July 2019 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/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:ospfv3/ospf:ospfv3 /ospf:body/ospf:inter-area-prefix: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix Qu, et al. Expires January 8, 2020 [Page 27] Internet-Draft ppr-yang July 2019 | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:areas/ospf:area /ospf:database/ospf:area-scope-lsa-type/ospf:area-scope-lsas /ospf:area-scope-lsa/ospf:version/ospf:ospfv3/ospf:ospfv3 /ospf:body/ospf:inter-area-prefix: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 Qu, et al. Expires January 8, 2020 [Page 28] Internet-Draft ppr-yang July 2019 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:database /ospf:as-scope-lsa-type/ospf:as-scope-lsas/ospf:as-scope-lsa /ospf:version/ospf:ospfv3/ospf:ospfv3/ospf:body Qu, et al. Expires January 8, 2020 [Page 29] Internet-Draft ppr-yang July 2019 /ospf:inter-area-prefix: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv Qu, et al. Expires January 8, 2020 [Page 30] Internet-Draft ppr-yang July 2019 | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/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:ospfv3/ospf:ospfv3 /ospf:body/ospf:intra-area-prefix: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix Qu, et al. Expires January 8, 2020 [Page 31] Internet-Draft ppr-yang July 2019 +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:areas/ospf:area /ospf:database/ospf:area-scope-lsa-type/ospf:area-scope-lsas /ospf:area-scope-lsa/ospf:version/ospf:ospfv3/ospf:ospfv3 /ospf:body/ospf:intra-area-prefix: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 Qu, et al. Expires January 8, 2020 [Page 32] Internet-Draft ppr-yang July 2019 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 Qu, et al. Expires January 8, 2020 [Page 33] Internet-Draft ppr-yang July 2019 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:database /ospf:as-scope-lsa-type/ospf:as-scope-lsas/ospf:as-scope-lsa /ospf:version/ospf:ospfv3/ospf:ospfv3/ospf:body /ospf:intra-area-prefix: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix Qu, et al. Expires January 8, 2020 [Page 34] Internet-Draft ppr-yang July 2019 | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/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:ospfv3/ospf:ospfv3 /ospf:body/ospf:as-external: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration Qu, et al. Expires January 8, 2020 [Page 35] Internet-Draft ppr-yang July 2019 | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:areas/ospf:area /ospf:database/ospf:area-scope-lsa-type/ospf:area-scope-lsas Qu, et al. Expires January 8, 2020 [Page 36] Internet-Draft ppr-yang July 2019 /ospf:area-scope-lsa/ospf:version/ospf:ospfv3/ospf:ospfv3 /ospf:body/ospf:as-external: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv Qu, et al. Expires January 8, 2020 [Page 37] Internet-Draft ppr-yang July 2019 +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:database /ospf:as-scope-lsa-type/ospf:as-scope-lsas/ospf:as-scope-lsa /ospf:version/ospf:ospfv3/ospf:ospfv3/ospf:body /ospf:as-external: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix Qu, et al. Expires January 8, 2020 [Page 38] Internet-Draft ppr-yang July 2019 +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/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:ospfv3/ospf:ospfv3 /ospf:body/ospf:nssa: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 Qu, et al. Expires January 8, 2020 [Page 39] Internet-Draft ppr-yang July 2019 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv Qu, et al. Expires January 8, 2020 [Page 40] Internet-Draft ppr-yang July 2019 | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:areas/ospf:area /ospf:database/ospf:area-scope-lsa-type/ospf:area-scope-lsas /ospf:area-scope-lsa/ospf:version/ospf:ospfv3/ospf:ospfv3 /ospf:body/ospf:nssa: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) Qu, et al. Expires January 8, 2020 [Page 41] Internet-Draft ppr-yang July 2019 | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 augment /rt:routing/rt:control-plane-protocols /rt:control-plane-protocol/ospf:ospf/ospf:database /ospf:as-scope-lsa-type/ospf:as-scope-lsas/ospf:as-scope-lsa /ospf:version/ospf:ospfv3/ospf:ospfv3/ospf:body/ospf:nssa: +--ro ppr-tlvs +--ro ppr-tlv* +--ro flags? bits +--ro af? iana-rt-types:address-family +--ro ppr-prefix-sub-tlv | +--ro mt-id? uint8 | +--ro prefix-len? uint8 | +--ro mask-len? uint8 | +--ro ospf-prefix? inet:ip-address | +--ro ppr-prefix-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-id-sub-tlv | +--ro ppr-id-type? enumeration | +--ro ppr-id-len? uint8 Qu, et al. Expires January 8, 2020 [Page 42] Internet-Draft ppr-yang July 2019 | +--ro ppr-id-mask-len? uint8 | +--ro ppr-id-algo? uint8 | +--ro (ppr-id)? | +--:(mpls-id) | | +--ro mpls-id? uint32 | +--:(ipv4-id) | | +--ro ipv4-id? inet:ipv4-prefix | +--:(srv6-ipv6-id) | +--ro srv6-ipv6-id? inet:ipv6-prefix +--ro ppr-pde-sub-tlvs* | +--ro pde-type? enumeration | +--ro ppr-pde-flags? bits | +--ro pde-id-type? ppr:ppr-pde-id-type | +--ro pde-id-len? uint8 | +--ro (pde-id)? | | +--:(mpls-id) | | | +--ro mpls-id? uint32 | | +--:(ipv4-id) | | | +--ro ipv4-id? inet:ipv4-prefix | | +--:(srv6-ipv6-id) | | +--ro srv6-ipv6-id? inet:ipv6-prefix | +--ro ppr-pde-sub-sub-tlvs | +--ro unknown-tlvs | +--ro unknown-tlv* | +--ro type? uint16 | +--ro length? uint16 | +--ro value? yang:hex-string +--ro ppr-attribute-sub-tlv +--ro traffic-accounting-sub-tlv | +--ro type? uint8 +--ro traffic-statis-sub-tlv | +--ro type? uint8 +--ro ipv4-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv4-address +--ro ipv6-routerid-sub-tlv | +--ro type? uint8 | +--ro length? uint8 | +--ro value? inet:ipv6-address +--ro ppr-metric-sub-tlv +--ro type? uint8 +--ro length? uint8 +--ro value? uint32 file "ietf-ospf-ppr@2019-07-07.yang" module ietf-ospf-ppr { Qu, et al. Expires January 8, 2020 [Page 43] Internet-Draft ppr-yang July 2019 yang-version 1.1; namespace "urn:ietf:params:xml:ns:yang:ietf-ospf-ppr"; prefix ospf-ppr; import ietf-inet-types { prefix inet; } import iana-routing-types { prefix "iana-rt-types"; reference "RFC 8291 - Common YANG Data Types for the Routing Area"; } import ietf-routing { prefix rt; } import ietf-ospf { prefix "ospf"; } import ietf-ppr { prefix "ppr"; } organization "IETF LSR - Link State Routing Working Group"; contact "WG Web: WG List: Author: Yingzhen Qu Uma Chunduri "; description "This Yang module defines the configuration and operational state for Preferred Path Routing common to all vendor implementations. This YANG model conforms to the Network Management Datastore Architecture (NDMA) as described in RFC XXXX. Copyright (c) 2019 IETF Trust and the persons identified as authors of the code. All rights reserved. Qu, et al. Expires January 8, 2020 [Page 44] Internet-Draft ppr-yang July 2019 Redistribution and use in source and binary forms, with or without modification, is permitted pursuant to, and subject to the license terms contained in, the Simplified BSD License set forth in Section 4.c of the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info). This version of this YANG module is part of RFC XXXX; see the RFC itself for full legal notices."; reference "RFC XXXX"; revision 2019-07-07 { description "Initial revision."; reference "RFC XXXX: A YANG Data Model for OSPFv2 and OSPFv3 PPR."; } grouping ppr-prefix-sub-tlv { description "Grouping for OSPF prefix sub-tlv."; container ppr-prefix-sub-tlv { leaf mt-id { type uint8 { range "0 .. 255"; } description "This leaf defines the identifier of a topology."; } leaf prefix-len { type uint8; description "The length of the profix in bytes."; } leaf mask-len { type uint8; description "The length of the profix in bits."; } leaf ospf-prefix { type inet:ip-address; description "OSPF Prefix."; } container ppr-prefix-sub-sub-tlvs { uses ospf:unknown-tlvs; description "PPR-Prefix sub-tlvs."; Qu, et al. Expires January 8, 2020 [Page 45] Internet-Draft ppr-yang July 2019 } description "OSPF PPR prefix sub-tlv."; } } grouping ppr-id-sub-tlv { description "PPR ID: the actual data plane identifier in the packet header."; container ppr-id-sub-tlv { description "PPR ID sub tlv."; leaf ppr-id-type { type enumeration { enum mpls { value 1; description "PPR ID in mpls label format."; } enum ipv4 { value 2; description "PPR ID in IPv4 address format."; } enum ipv6 { value 3; description "PPR ID in ipv6 address format."; } enum srv6 { value 4; description "PPR ID in SRv6 SID format."; } } description "Type of PPR ID."; } leaf ppr-id-len { type uint8; description "Length of the PPR ID."; } leaf ppr-id-mask-len { type uint8; description "The length of the profix in bits."; } leaf ppr-id-algo { type uint8; Qu, et al. Expires January 8, 2020 [Page 46] Internet-Draft ppr-yang July 2019 description "The SPF algorithm."; } choice ppr-id { leaf mpls-id { type uint32; description "MPLS Label format."; } leaf ipv4-id { type inet:ipv4-prefix; description "IPv4 format."; } leaf srv6-ipv6-id { type inet:ipv6-prefix; description "SRv6 or IPv6 format."; } description "Preferred Path ID."; } } } grouping ppr-pde-sub-tlv { description "This sub-tlv represents the PPR Path Description Element (PDE)."; list ppr-pde-sub-tlvs { description "PPR PDE sub tlvs."; leaf pde-type { type enumeration { enum topological { value 1; description "Topological PDE."; } enum non-topological { value 2; description "Non-topological PDE."; } } description "PDE type."; } leaf ppr-pde-flags { type bits { bit L { position 0; description Qu, et al. Expires January 8, 2020 [Page 47] Internet-Draft ppr-yang July 2019 "If set, the PPR path is a Loose-PPR."; } bit D { position 1; description "If set, the PDE is topological and this PDE represents the node PPR-prfix"; } bit E { position 2; description "Egress Bit. By default this bit MUST be unset."; } } description "Flags."; } leaf pde-id-type { type ppr:ppr-pde-id-type; description "Type of PDE ID."; } leaf pde-id-len { type uint8; description "Length of the PDE ID."; } choice pde-id { leaf mpls-id { type uint32; description "MPLS Label format."; } leaf ipv4-id { type inet:ipv4-prefix; description "IPv4 format."; } leaf srv6-ipv6-id { type inet:ipv6-prefix; description "SRv6 or IPv6 format."; } description "Preferred Path ID."; } container ppr-pde-sub-sub-tlvs { uses ospf:unknown-tlvs; description "PPR PDE sub sub-tlv."; } } } grouping ppr-attribute-sub-tlv { Qu, et al. Expires January 8, 2020 [Page 48] Internet-Draft ppr-yang July 2019 description "Grouping for PPR attribute sub-tlvs."; container ppr-attribute-sub-tlv { description "PPR attribute sub-tlv."; container traffic-accounting-sub-tlv { description "packet traffic acccounting sub-tlv. Specifies to create a counter to count number of packets forwarded to this PPR-ID on each node in the path description."; leaf type { type uint8; default 1; description "Type 1 sub-tlv."; } } container traffic-statis-sub-tlv { description "Specifies to create a counter to count number of bytes forwarded on this PPR-ID specified in the network header (e.g. IPv4, IPv6) on each node in the path description."; leaf type { type uint8; default 2; description "Traffic statistics in bytes sub-tlv."; } } container ipv4-routerid-sub-tlv { description "PPR-prefix originating node's IPv4 router ID."; leaf type { type uint8; default 3; description "PPR-prefix originating node's IPv4 router ID."; } leaf length { type uint8; default 4; description "TLV length is 4."; } leaf value { type inet:ipv4-address; description "IPv4 router ID."; } } container ipv6-routerid-sub-tlv { description "PPR-prefix originating node's IPv6 router ID."; leaf type { type uint8; Qu, et al. Expires January 8, 2020 [Page 49] Internet-Draft ppr-yang July 2019 default 4; description "PPR-prefix originating node's IPv6 router ID."; } leaf length { type uint8; default 16; description "TLV length is 16."; } leaf value { type inet:ipv6-address; description "IPv6 router ID."; } } container ppr-metric-sub-tlv { description "The metric of this path represented through the PPR-ID."; leaf type { type uint8; default 5; description "Metric sub-tlv."; } leaf length { type uint8; default 4; description "4 bytes."; } leaf value { type uint32; description "Metirc of the PPR-ID."; } } } } grouping ppr-tlvs { description "PPR TLV in extended prefix opaque LSAs."; container ppr-tlvs { description "List of PPR TLVs."; list ppr-tlv { description "OSPF PPR TLV."; leaf flags { type bits { bit IA { position 0; description "Inter-Area flag."; } Qu, et al. Expires January 8, 2020 [Page 50] Internet-Draft ppr-yang July 2019 bit A { position 1; description "If set, it is to signal that the prefixes and PPR IDs advertised in this TLV are directly connected to their originators."; } } description "Flags."; } leaf af { type iana-rt-types:address-family; description "Address family of the OSPF instance."; } uses ppr-prefix-sub-tlv; uses ppr-id-sub-tlv; uses ppr-pde-sub-tlv; uses ppr-attribute-sub-tlv; } } } /* Configuration */ augment "/rt:routing/rt:control-plane-protocols" + "/rt:control-plane-protocol/ospf:ospf" { 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 preferred path routing."; container ppr { description "OSPF PPR."; list ppr-enable { key "name"; leaf enable { type boolean; description "Enable PPR."; } Qu, et al. Expires January 8, 2020 [Page 51] Internet-Draft ppr-yang July 2019 leaf name { type leafref { path "/rt:routing/ppr:preferred-path-routing/" + "ppr:preferred-path-lists/ppr:name"; } description "PPR path list name."; } description "Enable PPR."; } } } /* Database */ augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/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" { when "../../../../../../../../../../../../../../" + "rt:type = 'ospf:ospfv2'" { description "This augmentation is only valid for OSPFv2."; } description "PPR specific TLVs for OSPFv2 type 9 opaque LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/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" { when "../../../../../../../../../../../../" + "rt:type = 'ospf:ospfv2'" { description "This augmentation is only valid for OSPFv2."; } description "PPR specific TLVs for OSPFv2 type 10 opaque LSA."; Qu, et al. Expires January 8, 2020 [Page 52] Internet-Draft ppr-yang July 2019 uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/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" { when "../../../../../../../../../../" + "rt:type = 'ospf:ospfv2'" { description "This augmentation is only valid for OSPFv2."; } description "PPR specific TLVs for OSPFv2 type 11 opaque LSA."; uses ppr-tlvs; } /* OSPFv3 inter-area-prefix-lsa */ augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/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:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:inter-area-prefix" { when "../../../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 link scope Inter-Area-Prefix-LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:areas/" + "ospf:area/ospf:database/" + "ospf:area-scope-lsa-type/ospf:area-scope-lsas/" + "ospf:area-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:inter-area-prefix" { when "../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { Qu, et al. Expires January 8, 2020 [Page 53] Internet-Draft ppr-yang July 2019 description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 area scope Inter-Area-Prefix-LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:database/" + "ospf:as-scope-lsa-type/ospf:as-scope-lsas/" + "ospf:as-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:inter-area-prefix" { when "../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 as scope Inter-Area-Prefix-LSA."; uses ppr-tlvs; } /* OSPFv3 intra-area-prefix-lsa */ augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/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:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:intra-area-prefix" { when "../../../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 link scope Intra-Area-Prefix-LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:areas/" + "ospf:area/ospf:database/" + "ospf:area-scope-lsa-type/ospf:area-scope-lsas/" Qu, et al. Expires January 8, 2020 [Page 54] Internet-Draft ppr-yang July 2019 + "ospf:area-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:intra-area-prefix" { when "../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 area scope Inter-Area-Prefix-LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:database/" + "ospf:as-scope-lsa-type/ospf:as-scope-lsas/" + "ospf:as-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:intra-area-prefix" { when "../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 as scope Intra-Area-Prefix-LSA."; uses ppr-tlvs; } /* OSPFv3 external-lsa */ augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/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:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:as-external" { when "../../../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 link scope AS-External-LSA."; uses ppr-tlvs; } Qu, et al. Expires January 8, 2020 [Page 55] Internet-Draft ppr-yang July 2019 augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:areas/" + "ospf:area/ospf:database/" + "ospf:area-scope-lsa-type/ospf:area-scope-lsas/" + "ospf:area-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:as-external" { when "../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 area scope AS-External-LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:database/" + "ospf:as-scope-lsa-type/ospf:as-scope-lsas/" + "ospf:as-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:as-external" { when "../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 as scope AS-External-LSA."; uses ppr-tlvs; } /* OSPFv3 Type-7 NSSA */ augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/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:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:nssa" { when "../../../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } Qu, et al. Expires January 8, 2020 [Page 56] Internet-Draft ppr-yang July 2019 description "SR specific TLVs for OSPFv3 link scope Type-7-LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:areas/" + "ospf:area/ospf:database/" + "ospf:area-scope-lsa-type/ospf:area-scope-lsas/" + "ospf:area-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:nssa" { when "../../../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 area scope Type-7-LSA."; uses ppr-tlvs; } augment "/rt:routing/" + "rt:control-plane-protocols/rt:control-plane-protocol/" + "ospf:ospf/ospf:database/" + "ospf:as-scope-lsa-type/ospf:as-scope-lsas/" + "ospf:as-scope-lsa/ospf:version/ospf:ospfv3/" + "ospf:ospfv3/ospf:body/ospf:nssa" { when "../../../../../../../../" + "rt:type = 'ospf:ospfv3'" { description "This augmentation is only valid for OSPFv3."; } description "SR specific TLVs for OSPFv3 as scope Type-7-LSA."; uses ppr-tlvs; } } 5. Security Considerations The YANG modules specified in this document define a schema for data that is designed to be accessed via network management protocols such as NETCONF [RFC6241] or RESTCONF [RFC8040]. The lowest NETCONF layer is the secure transport layer, and the mandatory-to-implement secure transport is Secure Shell (SSH) [RFC6242]. The lowest RESTCONF layer Qu, et al. Expires January 8, 2020 [Page 57] Internet-Draft ppr-yang July 2019 is HTTPS, and the mandatory-to-implement secure transport is TLS [RFC5246]. The NETCONF access control model [RFC6536] provides the means to restrict access for particular NETCONF or RESTCONF users to a pre- configured subset of all available NETCONF or RESTCONF protocol operations and content. 6. Acknowledgements TBD. 7. IANA Considerations TBD. 8. References 8.1. Normative References [I-D.chunduri-lsr-isis-preferred-path-routing] Chunduri, U., Li, R., White, R., Tantsura, J., Contreras, L., and Y. Qu, "Preferred Path Routing (PPR) in IS-IS", draft-chunduri-lsr-isis-preferred-path-routing-03 (work in progress), May 2019. [I-D.chunduri-lsr-ospf-preferred-path-routing] Chunduri, U., Qu, Y., White, R., Tantsura, J., and L. Contreras, "Preferred Path Routing (PPR) in OSPF", draft- chunduri-lsr-ospf-preferred-path-routing-03 (work in progress), May 2019. [I-D.ietf-isis-yang-isis-cfg] Litkowski, S., Yeung, D., Lindem, A., Zhang, Z., and L. Lhotka, "YANG Data Model for IS-IS Protocol", draft-ietf- isis-yang-isis-cfg-35 (work in progress), March 2019. [I-D.ietf-ospf-yang] Yeung, D., Qu, Y., Zhang, Z., Chen, I., and A. Lindem, "YANG Data Model for OSPF Protocol", draft-ietf-ospf- yang-23 (work in progress), July 2019. [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997. [RFC5246] Dierks, T., "The Transport Layer Security (TLS) Protocol Version 1.2", RFC 5246, August 2008. Qu, et al. Expires January 8, 2020 [Page 58] Internet-Draft ppr-yang July 2019 [RFC6020] Bjorklund, M., "YANG - A Data Modeling Language for the Network Configuration Protocol (NETCONF)", RFC 6020, October 2010. [RFC6241] Enns, R., "Network Configuration Protocol (NETCONF)", RFC 6241, June 2011. [RFC6242] Wasserman, M., "Using the NETCONF Protocol over Secure Shell (SSH)", RFC 6242, June 2011. [RFC6536] Bierman, A., "Network Configuration Protocol (NETCONF) Access Control Model", RFC 6536, March 2012. [RFC7950] Bjorklund, M., "The YANG 1.1 Data Modeling Language", RFC 7950, August 2016. [RFC8040] Bierman, A., "RESTCONF Protocol", RFC 8040, January 2017. 8.2. Informative References [I-D.ietf-netmod-yang-tree-diagrams] Bjorklund, M. and L. Berger, "YANG Tree Diagrams", draft- ietf-netmod-yang-tree-diagrams-06 (work in progress), February 2018. Authors' Addresses Yingzhen Qu Futurewei 2330 Central Expressway Santa Clara, CA 95050 USA Email: yingzhen.qu@futurewei.com Uma Chunduri Futurewei 2330 Central Expressway Santa Clara, CA 95050 USA Email: uma.chunduri@futurewei.com Qu, et al. Expires January 8, 2020 [Page 59] Internet-Draft ppr-yang July 2019 Jeff Tantsura Apstra Email: jefftant.ietf@gmail.com Qu, et al. Expires January 8, 2020 [Page 60]