module huawei-dhcpv6-deviations-NE8000M8M14 {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-dhcpv6-deviations-NE8000M8M14";

    prefix dhcpv6-devs-NE8000M8M14;

    import huawei-dhcpv6 {
      prefix dhcpv6;
    }
    import huawei-ifm {
      prefix ifm;
    }

    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
      "Dynamic Host Configuration Protocol for IPv6.";

    revision "2019-04-29" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }


    typedef dhcpv6-duid-deviations {
      type enumeration {
        enum "invalid" {
          value 0;
          description "-";
        }
        enum "llt" {
          value 1;
          description
            "Link-layer address plus time.";
        }
        enum "user-defined" {
          value 3;
          description "User-defined.";
        }
      }
      description
        "Description of dhcp6_dhcpv6Duid_type.";
    }
    deviation /dhcpv6:dhcpv6/dhcpv6:common/dhcpv6:global/dhcpv6:duid-format {
      deviate replace {
        type dhcpv6-duid-deviations;
      }
    }
    deviation /dhcpv6:dhcpv6/dhcpv6:relay/dhcpv6:pd-route/dhcpv6:access-limit {
      deviate not-supported;
    }
    deviation /ifm:ifm/ifm:interfaces/ifm:interface/dhcpv6:dhcpv6-relay-attribute/dhcpv6:rebuild-option {
      deviate not-supported;
    }
    deviation /ifm:ifm/ifm:interfaces/ifm:interface/dhcpv6:dhcpv6-relay-attribute {
      deviate add {
        must
          '(count(destination-addresses/destination-address) + count(destination-ifs/destination-if)) <= 8';
      }
    }
  }  // module huawei-dhcpv6-deviations-NE8000M8M14