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ietf-bfd-ip-mh@2018-08-01



  module ietf-bfd-ip-mh {

    yang-version 1.1;

    namespace
      "urn:ietf:params:xml:ns:yang:ietf-bfd-ip-mh";

    prefix bfd-ip-mh;

    import ietf-bfd-types {
      prefix bfd-types;
      reference
        "RFC XXXX: YANG Data Model for BFD";


    }
    import ietf-bfd {
      prefix bfd;
      reference
        "RFC XXXX: YANG Data Model for BFD";


    }
    import ietf-inet-types {
      prefix inet;
      reference
        "RFC 6991: Common YANG Data Types";


    }
    import ietf-routing {
      prefix rt;
      reference
        "RFC 8349: A YANG Data Model for Routing Management
        (NMDA version)";


    }

    organization "IETF BFD Working Group";

    contact
      "WG Web:   <http://tools.ietf.org/wg/bfd>
     WG List:  <rtg-bfd@ietf.org>

     Editors:  Reshad Rahman (rrahman@cisco.com),
               Lianshu Zheng (vero.zheng@huawei.com),
               Mahesh Jethanandani (mjethanandani@gmail.com)";

    description
      "This module contains the YANG definition for BFD IP multi-hop
     as per RFC 5883.

     Copyright (c) 2018 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
     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 "2018-08-01" {
      description "Initial revision.";
      reference
        "RFC XXXX: A YANG data model for BFD IP multihop.";

    }


    notification multihop-notification {
      description
        "Notification for BFD multi-hop session state change. An "
          + "implementation may rate-limit notifications, e.g. when a "
          + "session is continuously changing state.";
      leaf local-discr {
        type discriminator;
        description
          "BFD local discriminator.";
      }

      leaf remote-discr {
        type discriminator;
        description
          "BFD remote discriminator.";
      }

      leaf new-state {
        type state;
        description "Current BFD state.";
      }

      leaf state-change-reason {
        type iana-bfd-types:diagnostic;
        description
          "BFD state change reason.";
      }

      leaf time-of-last-state-change {
        type yang:date-and-time;
        description
          "Calendar time of previous state change.";
      }

      leaf dest-addr {
        type inet:ip-address;
        description "BFD peer address.";
      }

      leaf source-addr {
        type inet:ip-address;
        description "BFD local address.";
      }

      leaf session-index {
        type uint32;
        description
          "An index used to uniquely identify BFD sessions.";
      }

      leaf path-type {
        type identityref {
          base path-type;
        }
        description "BFD path type.";
      }
    }  // notification multihop-notification
  }  // module ietf-bfd-ip-mh