module huawei-nd-notification {

    yang-version 1;

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

    prefix nd-notification;

    import huawei-pub-type {
      prefix pub-type;
    }
    import ietf-inet-types {
      prefix inet;
    }
    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 IPv6-nd-notification.";

    revision "2020-05-28" {
      description
        "The description of the source-ip leaf is modified.";
      reference
        "Huawei private.";

    }

    revision "2020-04-17" {
      description
        "Notification of anti-attack-rate-limit is added.";
      reference
        "Huawei private.";

    }

    revision "2019-12-01" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "nd";

    typedef nd-pkt-evt-disp-type {
      type enumeration {
        enum "RS" {
          value 1;
          description
            "Router solicitation packet.";
        }
        enum "RA" {
          value 2;
          description
            "Router advertisement packet.";
        }
        enum "NS" {
          value 3;
          description
            "Neighbor solicitation packet.";
        }
        enum "NA" {
          value 4;
          description
            "Neighbor advertisement packet.";
        }
        enum "NDMISS" {
          value 5;
          description "ND miss.";
        }
      }
      description
        "ND packet type or event value.";
    }

    typedef nd-suppress-type {
      type enumeration {
        enum "SRCIP" {
          value 1;
          description "Source IP address.";
        }
        enum "SRCMAC" {
          value 2;
          description "Source MAC address.";
        }
        enum "INTERFACE" {
          value 3;
          description "Interface.";
        }
        enum "INTERFACESRCIP" {
          value 4;
          description
            "Interface source IP address.";
        }
        enum "VSGLOBAL" {
          value 5;
          description "Virtual system.";
        }
        enum "LSGLOBAL" {
          value 6;
          description "Logic system.";
        }
        enum "DSTIP" {
          value 7;
          description
            "Destination IP address.";
        }
        enum "TGTIP" {
          value 8;
          description "Target IP address.";
        }
      }
      description
        "ND packet type or event value.";
    }

    notification dad-not-finished {
      description "DAD is not finished.";
      leaf if-name {
        type pub-type:if-name;
        description "Interface name.";
      }

      leaf dad-addr {
        type inet:ipv6-address-no-zone;
        description "DAD address.";
      }

      leaf dad-timeout {
        type uint32;
        units "s";
        description "Dad timeout.";
      }
    }  // notification dad-not-finished

    notification anti-attack-rate-limit {
      description
        "ND anti-attack rate limit.";
      leaf packet-type {
        type nd-pkt-evt-disp-type;
        mandatory true;
        description
          "Type of packets that are suppressed.";
      }

      leaf suppress-value {
        type uint32;
        units "pps";
        mandatory true;
        description
          "Rate limit of ND packets or ND miss messages.";
      }

      leaf current-value {
        type uint32;
        units "pps";
        mandatory true;
        description
          "Current rate of ND packets or ND miss messages.";
      }

      leaf suppress-type {
        type nd-suppress-type;
        mandatory true;
        description "Suppress type.";
      }

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

      leaf work-if-name {
        type pub-type:if-name;
        description "Work interface name.";
      }

      leaf source-mac {
        type pub-type:mac-address;
        description "Source MAC address.";
      }

      leaf destination-mac {
        type pub-type:mac-address;
        description
          "Destination MAC address.";
      }

      leaf source-ip {
        type inet:ipv6-address-no-zone;
        description
          "Source IP address, when the packet type is not NS or RS, the source address is invalid if it is an unspecified address.";
      }

      leaf destination-ip {
        type inet:ipv6-address-no-zone;
        description
          "Destination IP address.";
      }

      leaf target-ip {
        type inet:ipv6-address-no-zone;
        description "Target IP address.";
      }

      leaf pe-vlan {
        type uint32;
        description "Outer VLAN ID.";
      }

      leaf ce-vlan {
        type uint32;
        description "Inner VLAN ID.";
      }
    }  // notification anti-attack-rate-limit
  }  // module huawei-nd-notification