module huawei-igmp-mld {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-igmp-mld";

    prefix igmp-mld;

    import huawei-acl {
      prefix acl;
    }
    import huawei-ethernet {
      prefix ethernet;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-network-instance {
      prefix ni;
    }
    import huawei-l3-multicast {
      prefix l3mc;
    }
    import huawei-multicast {
      prefix mc;
    }
    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
      "The module defines the configuration and operational state for
the Internet Group Management Protocol (IGMP) and Multicast
Listener Discovery (MLD) protocols.";

    revision "2021-02-24" {
      description
        "Add mld access-limit node.";
      reference
        "Huawei private.";

    }

    revision "2020-06-21" {
      description
        "Modify must restrictions for static-group configurations and on-demand-enable node. Modify the value of some enumeration type.";
      reference
        "Huawei private.";

    }

    revision "2020-03-04" {
      description
        "Add units for some nodes.";
      reference
        "Huawei private.";

    }

    revision "2020-01-08" {
      description
        "Modify description; Add ssm-mapping-policy node; Add must for some nodes.";
      reference
        "Huawei private.";

    }

    revision "2019-03-30" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "igmp";

    typedef querier-local-or-not {
      type enumeration {
        enum "reserved" {
          value 0;
          description "Reserved.";
        }
        enum "no-querier" {
          value 1;
          description "Not a querier.";
        }
        enum "this-router" {
          value 2;
          description "A local querier.";
        }
        enum "other-router" {
          value 3;
          description
            "Any querier instead of a local querier.";
        }
      }
      description
        "Whether a query is a local query.";
    }

    typedef timer-state-type {
      type enumeration {
        enum "off" {
          value 0;
          description "The off state.";
        }
        enum "on" {
          value 1;
          description "The on state.";
        }
        enum "reserved" {
          value 255;
          description "Reserved.";
        }
      }
      description "The status of a timer.";
    }

    typedef remote-backup-state-type {
      type enumeration {
        enum "remote-backup-disabled" {
          value 0;
          description
            "Remote Backup is disabled.";
        }
        enum "remote-backup-master" {
          value 1;
          description "Master state.";
        }
        enum "remote-backup-slave" {
          value 2;
          description "Backup state.";
        }
      }
      description "Remote backup state.";
    }

    typedef filter-mode-type {
      type enumeration {
        enum "include" {
          value 1;
          description "The Include mode.";
        }
        enum "exclude" {
          value 2;
          description "The Exclude mode.";
        }
        enum "reserved" {
          value 1610612735;
          description "Reserved.";
        }
      }
      description "Source filter mode.";
    }

    typedef if-state {
      type enumeration {
        enum "down" {
          value 1;
          description
            "The interface is Down.";
        }
        enum "up" {
          value 2;
          description "The interface is Up.";
        }
      }
      description
        "The status of an interface enabled with IGMP or MLD.";
    }
  }  // module huawei-igmp-mld