module ietf-bfd-unsolicited {

    yang-version 1.1;

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

    prefix bfd-unsol;

    import ietf-bfd-types {
      prefix bfd-types;
      reference
        "RFC 9314: YANG Data Model for Bidirectional Forwarding
        Detection (BFD)";


    }
    import ietf-bfd {
      prefix bfd;
      reference
        "RFC 9314: YANG Data Model for Bidirectional Forwarding
        Detection (BFD)";


    }
    import ietf-bfd-ip-sh {
      prefix bfd-ip-sh;
      reference
        "RFC 9314: YANG Data Model for Bidirectional Forwarding
        Detection (BFD)";


    }
    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:   <https://datatracker.ietf.org/wg/bfd/>
     WG List:  <rtg-bfd@ietf.org>

     Editors:  Enke Chen (enchen@paloaltonetworks.com),
               Naiming Shen (naiming@zededa.com),
               Robert Raszuk (robert@raszuk.net),
               Reshad Rahman (reshad@yahoo.com)";

    description
      "This module contains the YANG definition for unsolicited BFD,
     as per RFC 9468.

     Copyright (c) 2023 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
     (http://trustee.ietf.org/license-info).

     This version of this YANG module is part of RFC 9468; see
     the RFC itself for full legal notices.";

    reference
      "RFC 9468: Unsolicited Bidirectional Forwarding Detection
      (BFD) for Sessionless Applications";


    revision "2023-08-31" {
      description "Initial revision.";
      reference
        "RFC 9468: Unsolicited Bidirectional Forwarding Detection (BFD)
        for Sessionless Applications";

    }


    feature unsolicited-params-per-interface {
      description
        "This feature indicates that the server supports per-interface
       parameters for unsolicited sessions.";
      reference
        "RFC 9468: Unsolicited Bidirectional Forwarding Detection (BFD)
        for Sessionless Applications";

    }

    identity role {
      description
        "Base identity from which all roles are derived.
       Role of local system during BFD session initialization.";
    }

    identity active {
      base bfd-unsol:role;
      description "Active role.";
      reference
        "RFC 5880: Bidirectional Forwarding Detection (BFD),
        Section 6.1";

    }

    identity passive {
      base bfd-unsol:role;
      description "Passive role.";
      reference
        "RFC 5880: Bidirectional Forwarding Detection (BFD),
        Section 6.1";

    }
  }  // module ietf-bfd-unsolicited