module huawei-mstp-notification {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-mstp-notification";

    prefix mstp-notification;

    import huawei-pub-type {
      prefix pub-type;
    }
    import huawei-extension {
      prefix ext;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
    Bantian, Longgang
    Shenzhen 518129
    People's Republic of China
    Website: http://www.huawei.com
    Email: support@huawei.com";

    description "Notification of mstp.";

    revision "2019-07-08" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "mstp";

    notification tc-flap-receive {
      description
        "The local device received many TC BPDUs from neighbors.";
      leaf process-id {
        type uint32;
        description "Process ID.";
      }

      leaf instance-id {
        type uint32;
        description "MSTP instance ID.";
      }

      leaf if-index {
        type uint32;
        description "Interface index.";
      }

      leaf if-name {
        type pub-type:if-name;
        description "Interface name.";
      }

      leaf pw-name {
        type string {
          length "1..15";
        }
        description "PW name.";
      }

      leaf src-mac {
        type pub-type:mac-address;
        description "Source MAC address.";
      }
    }  // notification tc-flap-receive

    notification tc-flap {
      description
        "The local device proactively detected that its STP topology was flapping.";
      leaf process-id {
        type uint32;
        description "MSTP process ID.";
      }

      leaf instance-id {
        type uint32;
        description
          "Multiple spanning tree instance (MSTI) ID.";
      }
    }  // notification tc-flap

    notification tc-flap-resume {
      description
        "The STP topology of the local device stopped flapping.";
      leaf process-id {
        type uint32;
        description "MSTP process ID.";
      }

      leaf instance-id {
        type uint32;
        description
          "Multiple spanning tree instance (MSTI) ID.";
      }
    }  // notification tc-flap-resume
  }  // module huawei-mstp-notification