module huawei-fib {

    yang-version 1;

    namespace "urn:huawei:yang:huawei-fib";

    prefix fib;

    import huawei-network-instance {
      prefix ni;
    }
    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
      "Forwarding information base.";

    revision "2020-03-06" {
      description "Modify description.";
      reference
        "Huawei private.";

    }

    revision "2019-04-01" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "forwarding";

    typedef af-type {
      type enumeration {
        enum "ipv4unicast" {
          value 1;
          description
            "IPv4 address family type.";
        }
        enum "ipv6unicast" {
          value 2;
          description
            "IPv6 address family type.";
        }
      }
      description "Af type.";
    }

    container fib {
      config false;
      description
        "Forwarding information base.";
      container unicast-afs {
        description
          "List of forwarding information base.";
        list unicast-af {
          key "vrf-name af-type position";
          description
            "Operational state of forwarding information base.";
          leaf vrf-name {
            type leafref {
              path "/ni:network-instance/ni:instances/ni:instance/ni:name";
            }
            description
              "Virtual private network.";
          }

          leaf af-type {
            type af-type;
            description "Address type.";
          }

          leaf position {
            type string {
              length "0..16";
            }
            description "Slot number.";
          }

          container routes {
            description "List of FIB entry.";
            list route {
              key "destination mask nexthop if-name tunnel-id";
              description
                "Operational state of FIB entry.";
              leaf destination {
                type inet:ip-address-no-zone;
                description
                  "Destination address.";
              }

              leaf mask {
                type uint32 {
                  range "0..128";
                }
                description
                  "The length of mask address.";
              }

              leaf nexthop {
                type inet:ip-address-no-zone;
                description
                  "Next hop address.";
              }

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

              leaf tunnel-id {
                type string {
                  length "0..49";
                }
                description "Tunnel ID.";
              }

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

              leaf inner-label {
                type pub-type:hex-binary;
                description "Inner label.";
              }

              leaf lsp-token {
                type pub-type:hex-binary;
                description
                  "The token of label switch path.";
              }

              leaf bak-nexthop {
                type inet:ip-address-no-zone;
                description
                  "Backup next hop address.";
              }

              leaf bak-if-name {
                type pub-type:if-name;
                description
                  "Backup interface name.";
              }

              leaf bak-inner-lable {
                type pub-type:hex-binary;
                description
                  "Backup inner label.";
              }

              leaf bak-lsp-token {
                type pub-type:hex-binary;
                description
                  "Backup LSP token.";
              }
            }  // list route
          }  // container routes

          container statistics {
            description
              "FIB total number statistics.";
            leaf total-num {
              type uint32;
              description
                "FIB total number.";
            }
          }  // container statistics
        }  // list unicast-af
      }  // container unicast-afs
    }  // container fib
  }  // module huawei-fib