module huawei-bras-vpn {

    yang-version 1;

    namespace
      'urn:huawei:yang:huawei-bras-vpn';

    prefix brasvpn;

    import huawei-aaa {
      prefix aaa;
    }
    import huawei-bras-basic-access {
      prefix bras-basic-access;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-network-instance {
      prefix ni;
    }
    import huawei-l3vpn {
      prefix l3vpn;
    }

    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 "Bras vpn.";

    revision "2020-03-03" {
      description "Modify description.";
      reference
        "Huawei private.";

    }

    revision "2019-03-26" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "bras-control";

    container bras-vpn {
      description "Bras vpn configurations.";
      container vpn-users {
        config false;
        description "List of vpn users.";
        list vpn-user {
          key "user-type vpn-instance";
          description
            "Statistics of vpn users.";
          leaf user-type {
            type enumeration {
              enum "pppoe" {
                value 1;
                description
                  "PPPoE access users.";
              }
              enum "pppoa" {
                value 2;
                description
                  "PPPoA access users.";
              }
              enum "ipoe" {
                value 3;
                description
                  "IPOE access users.";
              }
              enum "lns" {
                value 4;
                description
                  "Lns access users.";
              }
              enum "lac" {
                value 5;
                description
                  "Lac access users.";
              }
              enum "ipv4" {
                value 6;
                description
                  "IPv4 access users.";
              }
              enum "ipv6" {
                value 7;
                description
                  "IPv6 access users.";
              }
              enum "dual" {
                value 8;
                description
                  "Dual-stack access users.";
              }
              enum "all" {
                value 9;
                description
                  "All type access users.";
              }
            }
            description "User type.";
          }

          leaf vpn-instance {
            type leafref {
              path "/ni:network-instance/ni:instances/ni:instance/ni:name";
            }
            description "Vpn name.";
          }

          leaf user-number {
            type int32 {
              range "0..256000";
            }
            description
              "The number of vpn access users.";
          }
        }  // list vpn-user
      }  // container vpn-users
    }  // container bras-vpn
  }  // module huawei-bras-vpn