Add bgp-topology model

oscargdd · Jul 23, 2024 · 44cc17c · 44cc17c
1 parent deba157
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diff --git a/Yang/Tree/ietf-l3-bgp-topology.tree b/Yang/Tree/ietf-l3-bgp-topology.tree
@@ -0,0 +1,10 @@
+module: ietf-l3-bgp-topology
+  augment /nw:networks/nw:network/nw:network-types:
+    +--rw bgp-topology!
+  augment /nw:networks/nw:network/nw:node/l3t:l3-node-attributes:
+    +--rw local-as?     uint32
+    +--rw neighbours
+       +--rw neighbor?         inet:ip-address
+       +--rw description?      string
+       +--rw peer-as?          uint32
+       +--rw address-family*   identityref
diff --git a/Yang/ietf-l3-bgp-topology.yang b/Yang/ietf-l3-bgp-topology.yang
@@ -0,0 +1,212 @@
+module ietf-l3-bgp-topology {
+  yang-version 1.1;
+  namespace
+    "urn:ietf:params:xml:ns:yang:ietf-l3-bgp-topology";
+  prefix "bgpnt";
+  import ietf-yang-types {
+          prefix "yang";
+      }
+  import ietf-network {
+    prefix "nw";
+  }
+  import ietf-l3-unicast-topology {
+    prefix "l3t";
+  }
+  import ietf-inet-types {
+    prefix "inet";
+  }
+  organization
+    "IETF OPSA (Operations and Management Area) Working Group";
+  contact
+    "WG Web:  <https://datatracker.ietf.org/wg/opsawg/>
+    WG List:  <mailto:[email protected]>
+    
+    Editor:   Oscar Gonzalez de Dios
+              <mailto:[email protected]>
+    Editor:   Samier Barguil
+              <mailto:[email protected]>
+    Editor:   Victor Lopez
+              <mailto:[email protected]>";
+  description
+    "This module defines a model for Layer 3 BGP
+     topologies.
+
+    Copyright (c) 2024 IETF Trust and the persons identified as
+     authors of the code.  All rights reserved.
+
+     Redistribution and use in source and binary forms, with or
+     without modification, is permitted pursuant to, and subject to
+     the license terms contained in, the Revised BSD License set
+     forth in Section 4.c of the IETF Trust's Legal Provisions
+     Relating to IETF Documents
+     (https://trustee.ietf.org/license-info).
+
+     This version of this YANG module is part of RFC XXXX
+     (https://www.rfc-editor.org/info/rfcXXXX); see the RFC itself
+     for full legal notices.";
+
+  revision 2024-07-23 {
+    description
+      "Initial version";
+    reference
+      "RFC XXXX: A YANG Data Model for Border Gateway Protocol (BGP) Topology";
+  }
+
+  typedef area-id-type {
+    type yang:dotted-quad;
+    description
+      "Area ID type";
+  }
+
+  identity afi-safi-type {
+    description
+      "Base identity type for AFI,SAFI tuples for BGP-4";
+    reference
+      "RFC4760: Multi-protocol extensions for BGP-4";
+  }
+
+  identity ipv4-unicast {
+    base afi-safi-type;
+    description
+      "IPv4 unicast (AFI,SAFI = 1,1)";
+    reference
+      "RFC4760: Multi-protocol extensions for BGP-4";
+  }
+
+  identity ipv6-unicast {
+    base afi-safi-type;
+    description
+      "IPv6 unicast (AFI,SAFI = 2,1)";
+    reference
+      "RFC4760: Multi-protocol extensions for BGP-4";
+  }
+
+  identity ipv4-labeled-unicast {
+    base afi-safi-type;
+    description
+      "Labeled IPv4 unicast (AFI,SAFI = 1,4)";
+    reference
+      "RFC 3107: Carrying Label Information in BGP-4.";
+  }
+
+  identity ipv6-labeled-unicast {
+    base afi-safi-type;
+    description
+      "Labeled IPv6 unicast (AFI,SAFI = 2,4)";
+    reference
+      "RFC 3107: Carrying Label Information in BGP-4";
+  }
+
+  identity l3vpn-ipv4-unicast {
+    base afi-safi-type;
+    description
+      "Unicast IPv4 MPLS L3VPN (AFI,SAFI = 1,128)";
+    reference
+      "RFC 4364: BGP/MPLS IP Virtual Private Networks (VPNs)";
+  }
+
+  identity l3vpn-ipv6-unicast {
+    base afi-safi-type;
+    description
+      "Unicast IPv6 MPLS L3VPN (AFI,SAFI = 2,128)";
+    reference
+      "RFC 4659: BGP-MPLS IP Virtual Private Network (VPN) Extension
+                 for IPv6 VPN";
+  }
+  identity l3vpn-ipv4-multicast {
+    base afi-safi-type;
+    description
+      "Multicast IPv4 MPLS L3VPN (AFI,SAFI = 1,129)";
+    reference
+      "RFC 6514: BGP Encodings and Procedures for Multicast in MPLS/BGP
+       IP VPNs.";
+  }
+
+  identity l3vpn-ipv6-multicast {
+    base afi-safi-type;
+    description
+      "Multicast IPv6 MPLS L3VPN (AFI,SAFI = 2,129)";
+    reference
+      "RFC 6514: BGP Encodings and Procedures for Multicast in
+                 MPLS/BGP IP VPNs.";
+  }
+
+  identity l2vpn-vpls {
+    base afi-safi-type;
+    description
+      "BGP-signalled VPLS (AFI,SAFI = 25,65)";
+    reference
+      "RFC 4761: Virtual Private LAN Service (VPLS) Using BGP for
+                 Auto-Discovery and Signaling.";
+  }
+
+  identity l2vpn-evpn {
+    base afi-safi-type;
+    description
+      "BGP MPLS Based Ethernet VPN (AFI,SAFI = 25,70)";
+    reference
+      "RFC 7432: BGP MPLS-Based Ethernet VPN";      
+  }
+
+  grouping bgp-topology-type {
+    description "Identifies the topology type to be BGP.";
+    container bgp-topology {
+      presence "Indicates BGP topology";
+      description
+        "The presence of the container node indicates BGP
+        topology";
+    }
+  }
+
+  grouping bgp-node-attributes {
+    description "BGP node scope attributes";
+    leaf local-as {
+        type uint32;
+        description
+          "Local Autonomous System (AS) number";
+    }
+    container neighbours {
+      description
+        "Contains node timer attributes";
+      leaf neighbor {
+        type inet:ip-address;
+        description
+          "Neighbor IP address";
+      }
+      leaf description {
+        type string;
+        description
+          "Neighbor description";;
+      }
+      leaf peer-as {
+        type uint32;
+        description
+          "Peer autonomous system (AS) number";
+      }
+      leaf-list address-family {
+        type identityref {
+          base afi-safi-type;
+        }
+        description
+          "Address Family type";
+      }
+    }
+  }
+
+  augment "/nw:networks/nw:network/nw:network-types" {
+    description
+      "Introduces new network type for L3 Unicast topology";
+    uses bgp-topology-type;
+  }
+
+  augment "/nw:networks/nw:network/nw:node/l3t:l3-node-attributes" {
+    when "/nw:networks/nw:network/nw:network-types/bgp:bgp-topology" {
+      description
+        "Augmentation parameters apply only for networks with
+        BGP topology";
+    }
+    description
+        "BGP node-level attributes ";
+    uses bgp-node-attributes;
+  }
+}