module huawei-ifm {

    yang-version 1;

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

    prefix ifm;

    import huawei-pub-type {
      prefix pub-type;
    }
    import ietf-yang-types {
      prefix yang;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-network-instance {
      prefix ni;
    }

    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
      "Common interface management, which includes the public configuration of interfaces.";

    revision "2021-10-11" {
      description
        "Change HPGE interface to HP-GE interface.";
      reference
        "Huawei private.";

    }

    revision "2021-01-25" {
      description
        "Add the virtual-position condition.";
      reference
        "Huawei private.";

    }

    revision "2020-06-10" {
      description "Add units attribute.";
      reference
        "Huawei private.";

    }

    revision "2020-02-15" {
      description
        "Add must condition and revise description. Add leaf bandwidth-kbps.";
      reference
        "Huawei private.";

    }

    revision "2020-01-20" {
      description
        "Add must condition and revise description. Be compatible with code.";
      reference
        "Huawei private.";

    }

    revision "2020-01-15" {
      description
        "Delete redundant damping container.";
      reference
        "Huawei private.";

    }

    revision "2020-01-10" {
      description
        "Add the default case for the damping container.";
      reference
        "Huawei private.";

    }

    revision "2019-09-29" {
      description
        "Modify the damping container.";
      reference
        "Huawei private.";

    }

    revision "2019-08-22" {
      description
        "Add leaf pass-through-if, discontinuity-time and receive-unknown-protos-packet.";
      reference
        "Huawei private.";

    }

    revision "2019-04-15" {
      description "Reinitialize revision.";
      reference
        "Huawei private.";

    }

    revision "2019-04-10" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "interface-mgr";

    typedef port-type {
      type enumeration {
        enum "Ethernet" {
          value 0;
          description "Ethernet interface.";
        }
        enum "GigabitEthernet" {
          value 2;
          description
            "GigabitEthernet interface.";
        }
        enum "Eth-Trunk" {
          value 4;
          description "Eth-Trunk interface.";
        }
        enum "Ip-Trunk" {
          value 5;
          description "IP-Trunk interface.";
        }
        enum "Pos" {
          value 9;
          description "POS interface.";
        }
        enum "Tunnel" {
          value 14;
          description "Tunnel interface.";
        }
        enum "NULL" {
          value 18;
          description "Null interface.";
        }
        enum "LoopBack" {
          value 19;
          description "Loopback interface.";
        }
        enum "Vlanif" {
          value 15;
          description "VLANIF interface.";
        }
        enum "100GE" {
          value 20;
          description
            "100 GigabitEthernet interface.";
        }
        enum "200GE" {
          value 92;
          description
            "200 GigabitEthernet interface.";
        }
        enum "40GE" {
          value 23;
          description
            "40 GigabitEthernet interface.";
        }
        enum "MTunnel" {
          value 22;
          description "MTunnel interface.";
        }
        enum "10GE" {
          value 24;
          description
            "10 GigabitEthernet interface.";
        }
        enum "GEBrief" {
          value 25;
          description
            "GigabitEthernet interface.";
        }
        enum "MEth" {
          value 26;
          description
            "Management Ethernet interface.";
        }
        enum "IMEth" {
          value 79;
          description
            "Inner Management Ethernet interface.";
        }
        enum "Stack-Port" {
          value 27;
          description
            "Stack-port interface.";
        }
        enum "Sip" {
          value 28;
          description
            "System interconnect port.";
        }
        enum "Cpos" {
          value 10;
          description "CPOS controller.";
        }
        enum "E1" {
          value 30;
          description "E1 controller.";
        }
        enum "Serial" {
          value 8;
          description "Serial interface.";
        }
        enum "Mp-group" {
          value 31;
          description "MP-group interface.";
        }
        enum "Virtual-Ethernet" {
          value 6;
          description
            "Virtual-Ethernet interface.";
        }
        enum "VMEth" {
          value 33;
          description
            "Virtual management Ethernet interface.";
        }
        enum "Ima-group" {
          value 32;
          description "IMA-group interface.";
        }
        enum "Remote-Ap" {
          value 35;
          description
            "Virtual cluster access remote access point interface.";
        }
        enum "VBridge" {
          value 36;
          description
            "Virtual cluster access bridge interface.";
        }
        enum "Atm-Bundle" {
          value 37;
          description
            "ATM-Bundle interface.";
        }
        enum "Fiber-Channel" {
          value 38;
          description
            "Fiber-Channel interface.";
        }
        enum "Infiniband" {
          value 39;
          description
            "Infiniband interface.";
        }
        enum "Lmpif" {
          value 21;
          description "Lmpif interface.";
        }
        enum "T1" {
          value 41;
          description "T1 controller.";
        }
        enum "T3" {
          value 42;
          description "T3 controller.";
        }
        enum "Global-VE" {
          value 45;
          description "Global-VE interface.";
        }
        enum "VC4" {
          value 43;
          description "VC4 interface.";
        }
        enum "VC12" {
          value 44;
          description "VC12 interface.";
        }
        enum "Vbdif" {
          value 40;
          description "VBDIF interface.";
        }
        enum "Fabric-Port" {
          value 46;
          description
            "Fabric-Port interface.";
        }
        enum "E3" {
          value 48;
          description "E3 controller.";
        }
        enum "Otn" {
          value 55;
          description "OTN controller.";
        }
        enum "Vp" {
          value 49;
          description "VP interface.";
        }
        enum "DcnInterface" {
          value 50;
          description "DCN interface.";
        }
        enum "Cpos-Trunk" {
          value 51;
          description
            "Cpos-Trunk interface.";
        }
        enum "Pos-Trunk" {
          value 59;
          description "Pos-Trunk interface.";
        }
        enum "Trunk-Serial" {
          value 52;
          description
            "Trunk-Serial interface.";
        }
        enum "Global-Ima-Group" {
          value 57;
          description
            "Global-Ima-Group interface.";
        }
        enum "Global-Mp-Group" {
          value 53;
          description
            "Global-Mp-Group interface.";
        }
        enum "Gmpls-Uni" {
          value 63;
          description "GMPLS uni interface.";
        }
        enum "Wdm" {
          value 64;
          description "Wdm controller.";
        }
        enum "Nve" {
          value 65;
          description "NVE interface.";
        }
        enum "FCoE-Port" {
          value 67;
          description "FCoE-Port Interface.";
        }
        enum "Virtual-Template" {
          value 68;
          description
            "Virtual-Template Interface.";
        }
        enum "FC" {
          value 70;
          description "FC Interface.";
        }
        enum "4x10GE" {
          value 71;
          description
            "4x10 GigabitEthernet interface.";
        }
        enum "10x10GE" {
          value 72;
          description
            "10x10 GigabitEthernet interface.";
        }
        enum "3x40GE" {
          value 73;
          description
            "3x40 GigabitEthernet interface.";
        }
        enum "4x25GE" {
          value 74;
          description
            "4x25 GigabitEthernet interface.";
        }
        enum "25GE" {
          value 75;
          description
            "25 GigabitEthernet interface.";
        }
        enum "ATM" {
          value 11;
          description "Atm interface.";
        }
        enum "XGigabitEthernet" {
          value 91;
          description
            "XGigabitEthernet interface.";
        }
        enum "ServiceIf" {
          value 90;
          description "ServiceIf interface.";
        }
        enum "Virtual-ODUk" {
          value 94;
          description
            "Virtual-ODUk interface.";
        }
        enum "FlexE" {
          value 95;
          description "FlexE interface.";
        }
        enum "FlexE-200GE" {
          value 96;
          description
            "FlexE-200GE interface.";
        }
        enum "50|100GE" {
          value 101;
          description
            "50|100 GigabitEthernet interface.";
        }
        enum "50GE" {
          value 102;
          description
            "50 GigabitEthernet interface.";
        }
        enum "FlexE-50G" {
          value 103;
          description "FlexE-50G interface.";
        }
        enum "FlexE-100G" {
          value 104;
          description
            "FlexE-100G interface.";
        }
        enum "FlexE-50|100G" {
          value 105;
          description
            "FlexE-50|100G interface.";
        }
        enum "PW-VE" {
          value 88;
          description "PW-VE interface.";
        }
        enum "Virtual-Serial" {
          value 107;
          description
            "Virtual-Serial interface.";
        }
        enum "400GE" {
          value 108;
          description
            "400 GigabitEthernet interface.";
        }
        enum "VX-Tunnel" {
          value 89;
          description "VX-Tunnel interface.";
        }
        enum "HP-GE" {
          value 114;
          description "HP-GE interface.";
        }
        enum "FlexE-400G" {
          value 115;
          description
            "FlexE-400G interface.";
        }
        enum "Virtual-if" {
          value 116;
          description
            "Virtual-if interface.";
        }
        enum "Cellular" {
          value 117;
          description "Cellular interface.";
        }
        enum "MultiGE" {
          value 124;
          description "MultiGE interface.";
        }
        enum "FlexE-10G" {
          value 125;
          description "FlexE-10G interface.";
        }
        enum "OpticalAmplifier" {
          value 126;
          description
            "OpticalAmplifier interface.";
        }
      }
      description "Interface physical type.";
    }

    typedef router-type {
      type enumeration {
        enum "PtoP" {
          value 0;
          description "Point to point.";
        }
        enum "PtoMP" {
          value 1;
          description
            "Point to multi-point.";
        }
        enum "broadcast" {
          value 2;
          description "Broadcast.";
        }
        enum "NBMA" {
          value 3;
          description
            "Non-broadcast multi-access.";
        }
        enum "invalid" {
          value 255;
          description "None.";
        }
      }
      description "Interface router type.";
    }

    typedef network-layer-state {
      type enumeration {
        enum "ipv4-ipv6-up" {
          value 0;
          description
            "Administratively Up of IPv4 and IPv6 state.";
        }
        enum "ipv4-ipv6-down" {
          value 196608;
          description
            "Administratively Down of IPv4 and IPv6 state.";
        }
      }
      description
        "Interface network layer state type.";
    }

    typedef link-protocol {
      type enumeration {
        enum "ethernet" {
          value 0;
          description
            "The link protocol of the interface is Ethernet.";
        }
        enum "ppp" {
          value 1;
          description
            "The link protocol of the interface is PPP.";
        }
        enum "hdlc" {
          value 2;
          description
            "The link protocol of the interface is HDLC.";
        }
        enum "fr" {
          value 3;
          description
            "The link protocol of the interface is FR.";
        }
        enum "atm" {
          value 6;
          description
            "The link protocol of the interface is ATM.";
        }
        enum "tdm" {
          value 7;
          description
            "The link protocol of the interface is TDM.";
        }
      }
      description
        "Interface link portocol type.";
    }

    typedef port-status {
      type enumeration {
        enum "down" {
          value 0;
          description
            "The interface is in Down state.";
        }
        enum "up" {
          value 1;
          description
            "The interface is in Up state.";
        }
      }
      description "Interface status type.";
    }

    typedef service-type {
      type enumeration {
        enum "none" {
          value 0;
          description "None.";
        }
        enum "trunk-member" {
          value 2;
          description "Trunk member.";
        }
        enum "stack-member" {
          value 6;
          description "Stack member.";
        }
        enum "mp-member" {
          value 7;
          description "MP-Group member.";
        }
        enum "vbridge-member" {
          value 8;
          description "VBridge member.";
        }
        enum "ima-member" {
          value 9;
          description "IMA member.";
        }
        enum "bundle-member" {
          value 10;
          description "Bundle member.";
        }
        enum "fabric-member" {
          value 11;
          description "Fabric member.";
        }
        enum "lag-master-member" {
          value 12;
          description
            "Master member in a LAG.";
        }
        enum "lag-slave-member" {
          value 13;
          description
            "Slave member in a LAG.";
        }
        enum "cpos-trunk-member" {
          value 15;
          description "Cpos-Trunk member.";
        }
        enum "pos-trunk-member" {
          value 16;
          description "Pos-Trunk member.";
        }
        enum "global-mp-member" {
          value 17;
          description
            "Global-Mp-group member.";
        }
        enum "global-ima-member" {
          value 18;
          description
            "Global-Ima-group member.";
        }
      }
      description "Interface service type.";
    }

    typedef error-down-type {
      type enumeration {
        enum "bpdu-protection" {
          value 0;
          description "BPDU protection.";
        }
        enum "auto-defend" {
          value 1;
          description
            "Attack source tracing.";
        }
        enum "monitor-link" {
          value 2;
          description
            "The uplink of monitor-link group is down.";
        }
        enum "portsec-reached-limit" {
          value 65;
          description
            "Secure mac addresses have reached the upper limit.";
        }
        enum "storm-control" {
          value 66;
          description "Storm-control.";
        }
        enum "loopback-detect" {
          value 67;
          description "Loopback detect.";
        }
        enum "dual-active" {
          value 68;
          description "Dual-active.";
        }
        enum "mac-address-flapping" {
          value 69;
          description
            "Mac address flapping.";
        }
        enum "no-stack-link" {
          value 70;
          description "No-stack-link.";
        }
        enum "crc-statistics" {
          value 71;
          description "CRC statistics.";
        }
        enum "transceiver-power-low" {
          value 72;
          description
            "The transceiver power is low.";
        }
        enum "link-flap" {
          value 73;
          description "Link flapping.";
        }
        enum "l2-loop-occured" {
          value 74;
          description "L2 loop.";
        }
        enum "stack-member-exceed-limit" {
          value 75;
          description
            "The number of stack members exceeds the limit.";
        }
        enum "spine-member-exceed-limit" {
          value 76;
          description
            "The number of spine members exceeds the limit.";
        }
        enum "resource-mismatch" {
          value 77;
          description "Resource mismatch.";
        }
        enum "leaf-mstp" {
          value 78;
          description
            "Leaf port mstp disable.";
        }
        enum "m-lag" {
          value 79;
          description
            "M-LAG peer detect error.";
        }
        enum "fabric-uplink-threshold" {
          value 80;
          description
            "Fabric uplink less then threshold.";
        }
        enum "stack-config-conflict" {
          value 81;
          description
            "Stack config conflict.";
        }
        enum "spine-type-unsupported" {
          value 82;
          description
            "Spine type unsupported.";
        }
        enum "stack-packet-defensive" {
          value 83;
          description
            "Stack packet defensive.";
        }
        enum "forward-engine-buffer-failed" {
          value 85;
          description
            "Forward engine buffer failed.";
        }
        enum
          "forward-engine-interface-failed" {
          value 86;
          description
            "Forward engine interface failed.";
        }
        enum "fabric-link-failure" {
          value 87;
          description "Fabric link failure.";
        }
        enum "m-lag-consistency-check" {
          value 88;
          description
            "M-Lag consistency check failed.";
        }
        enum "pfc-deadlock" {
          value 89;
          description
            "PFC deadlock detect error.";
        }
      }
      description
        "Interface error down type.";
    }

    typedef class-type {
      type enumeration {
        enum "main-interface" {
          value 0;
          description "Main interface.";
        }
        enum "sub-interface" {
          value 1;
          description "Subinterface.";
        }
      }
      description "Interface class type.";
    }

    typedef encapsulation-type {
      type enumeration {
        enum "vlan-type" {
          value 0;
          description "VLAN type.";
        }
        enum "dot1q" {
          value 1;
          description "Dot1q.";
        }
        enum "qinq" {
          value 2;
          description "QinQ.";
        }
        enum "p2p" {
          value 3;
          description "P2P.";
        }
        enum "p2mp" {
          value 4;
          description "P2MP.";
        }
        enum "l2ve" {
          value 5;
          description "L2VE.";
        }
        enum "l3ve" {
          value 6;
          description "L3VE.";
        }
        enum "vlan-type-policy" {
          value 7;
          description "VLAN type policy.";
        }
        enum "dot1q-policy" {
          value 8;
          description "Dot1q policy.";
        }
        enum "stacking-policy" {
          value 9;
          description "Stacking policy.";
        }
        enum "untag-policy" {
          value 10;
          description "Untag policy.";
        }
        enum "qinq-mapping" {
          value 11;
          description "QinQ mapping.";
        }
        enum "l2vc" {
          value 12;
          description "L2VC.";
        }
        enum "l3vc" {
          value 13;
          description "L3VC.";
        }
        enum "evc-untag" {
          value 14;
          description "EvcUntag.";
        }
        enum "evc-dot1q" {
          value 15;
          description "EvcDot1q.";
        }
        enum "evc-qinq" {
          value 16;
          description "EvcQinq.";
        }
        enum "evc-default" {
          value 17;
          description "EvcDefault.";
        }
        enum "evc-dot1q-policy" {
          value 18;
          description "EvcDot1qPolicy.";
        }
        enum "ietf" {
          value 19;
          description "IETF.";
        }
        enum "nonstandard" {
          value 20;
          description "Nonstandard.";
        }
        enum "user-vlan" {
          value 21;
          description "User VLAN.";
        }
        enum "user-vlan-anyother" {
          value 22;
          description "User VLAN anyother.";
        }
        enum "qin-link" {
          value 23;
          description "Qinq link.";
        }
        enum "soft-gre-ve" {
          value 24;
          description "Soft gre ve.";
        }
        enum "l3ve-ter" {
          value 25;
          description "L3 ve terminal.";
        }
        enum "l3ve-acc" {
          value 26;
          description "L3 ve access.";
        }
        enum "invalid" {
          value 255;
          description "Invalid.";
        }
      }
      description "Encapsulated type.";
    }

    typedef statistic-mode {
      type enumeration {
        enum "interface-based" {
          value 1;
          description
            "Statistics are collected based on interfaces.";
        }
        enum "vlan-group-based" {
          value 2;
          description
            "Statistics are collected based on VLAN.";
        }
      }
      description
        "Interface statistic mode.";
    }

    typedef damp-level-type {
      type enumeration {
        enum "light" {
          value 0;
          description "Light weight.";
        }
        enum "middle" {
          value 1;
          description "Middle weight.";
        }
        enum "heavy" {
          value 2;
          description "Heavy weight.";
        }
      }
      description "Damp level type.";
    }

    typedef damp-status-type {
      type enumeration {
        enum "suppressed" {
          value 0;
          description
            "Dampening suppressed.";
        }
        enum "unsuppressed" {
          value 1;
          description
            "Dampening unsuppressed.";
        }
      }
      description "Damp status type.";
    }

    typedef link-quality-grade-type {
      type enumeration {
        enum "good" {
          value 0;
          description
            "The link quality is good with no bit-error.";
        }
        enum "high" {
          value 1;
          description
            "The link quality is high.";
        }
        enum "middle" {
          value 2;
          description
            "The link quality is middle.";
        }
        enum "low" {
          value 4;
          description
            "The link quality is low.";
        }
      }
      description "Link quality grade type.";
    }

    container ifm {
      description
        "Common interface management. It includes the public configuration of interfaces.";
      container global {
        description
          "Configure globally configured attributes.";
        leaf statistic-interval {
          type uint32 {
            range "10..600";
          }
          units "s";
          must
            "(../statistic-interval) mod 10 = 0";
          default "300";
          description
            "Set the interval at which global flow statistics are collected.";
        }

        leaf ipv4-ignore-primary-sub {
          type boolean;
          default "false";
          description
            "Enable/disable the function of ignoring primary/secondary of IPv4 address type. All secondary addresses must be deleted before this function is enabled.";
        }

        leaf sub-interface-link-trap-enable {
          type boolean;
          default "true";
          description
            "Enable/disable the trap function on all Sub-interface.";
        }

        container ipv4-conflict-enable {
          must
            "../ipv4-ignore-primary-sub='false'";
          presence
            "Enable/disable IPv4 conflict function.";
          description
            "Enable/disable ip conflict function.";
          leaf preempt-enable {
            type boolean;
            default "false";
            description
              "Enable/disable IPv4 address conflict preemption.";
          }
        }  // container ipv4-conflict-enable

        container ipv6-conflict-enable {
          presence
            "Enable/disable IPv6 conflict function.";
          description
            "Enable/disable IPv6 conflict function.";
          leaf preempt-enable {
            type boolean;
            default "false";
            description
              "Enable/disable IPv6 address conflict preemption.";
          }
        }  // container ipv6-conflict-enable
      }  // container global

      container damp {
        presence
          "Enable/disable suppression on interfaces' physical status flappings.";
        description
          "Enable/disable suppression on interfaces' physical status flappings.";
        leaf tx-off {
          type boolean;
          default "false";
          description
            "Enable/disable interfaces from sending signals if the interfaces' physical status flappings are suppressed.";
        }

        choice level {
          default "auto";
          description
            "Interface physical status damping level.";
          case auto {
            description
              "Auto damping level.";
            container auto {
              description
                "Configure an auto suppression level.";
              leaf level {
                type damp-level-type;
                default "light";
                description
                  "Auto damping level.";
              }
            }  // container auto
          }  // case auto

          case manual {
            description
              "Manual damping level.";
            container manual {
              description
                "Configure a manual suppression level.";
              leaf suppress {
                type uint32 {
                  range "1..20000";
                }
                must
                  "(../suppress>../reuse)";
                mandatory true;
                description
                  "1000 times of suppress threshold.";
              }

              leaf reuse {
                type uint32 {
                  range "1..20000";
                }
                must
                  "(../reuse<../suppress)";
                mandatory true;
                description
                  "1000 times of reuse threshold.";
              }

              leaf max-suppress-time {
                type uint16 {
                  range "1..255";
                }
                units "s";
                mandatory true;
                description
                  "Max suppress time.";
              }

              leaf half-life-period {
                type uint16 {
                  range "1..60";
                }
                units "s";
                mandatory true;
                description
                  "Half life time.";
              }
            }  // container manual
          }  // case manual
        }  // choice level
      }  // container damp

      container auto-recovery-times {
        description
          "List of automatic recovery time configuration.";
        list auto-recovery-time {
          key "error-down-type";
          description
            "Configure automatic recovery time.";
          leaf error-down-type {
            type error-down-type;
            description
              "Cause of the error-down event.";
          }

          leaf time-value {
            type uint32 {
              range "30..86400";
            }
            units "s";
            mandatory true;
            description
              "Delay for the status transition from down to up.";
          }
        }  // list auto-recovery-time
      }  // container auto-recovery-times

      container interfaces {
        description
          "List of configuring information on an interface.";
        list interface {
          key "name";
          description
            "Configure information on an interface. Physical, NULL, Virtual-if, and Virtual-Template0 interfaces cannot be created or deleted.";
          leaf name {
            type pub-type:if-name;
            description
              "The textual name of the interface. It should be the name of the interface as assigned by the local device. It should be suitable for use in commands which entered at the device's 'console'. This might be a text name, such as 'NULL0', depending on the interface naming syntax of the device.";
          }

          leaf class {
            ext:operation-exclude "update";
            ext:dynamic-default;
            ext:support-filter "true";
            type class-type;
            description
              "Identify a main interface or a sub-interface.";
          }

          leaf type {
            ext:operation-exclude "update";
            ext:dynamic-default;
            ext:support-filter "true";
            type port-type;
            description
              "Type of an interface. Interfaces include physical and logical interfaces.";
          }

          leaf parent-name {
            ext:operation-exclude "update";
            ext:dynamic-default;
            when "../class='sub-interface'";
            type leafref {
              path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
            }
            description
              "Name of the main interface. For example, Ethernet0/1/0.";
          }

          leaf number {
            ext:operation-exclude "update";
            ext:dynamic-default;
            type string {
              length "1..63";
              pattern
                '(\d+/\d+/\d+/\d+)|(\d+/\d+/\d+)|(\d+/\d+)|(\d+)|(\d+/\d+/\d+[:]\d+)|(\d+/\d+/\d+[:]\d+[:]\d+[:]\d+)|(\d+/\d+/\d+/\d+[:]\d+)|(\d+/\d+/\d+/\d+[:]\d+[:]\d+[:]\d+)|(\d+/\d+/\d+/\d+/\d+[:]\d+)|(\d+/\d+[:]\d+)';
            }
            description
              "Number of an interface. For example,1, 0/1/0, or 2:1.";
          }

          leaf description {
            type string {
              length "1..242";
            }
            description
              "Description of an interface.";
          }

          leaf admin-status {
            ext:dynamic-default;
            type port-status;
            description
              "Administrative status of an interface. Capabilities supported by this node vary according to interface types.";
          }

          leaf link-protocol {
            ext:dynamic-default;
            type link-protocol;
            description
              "Link protocol. Capabilities supported by this node vary according to interface types.";
          }

          leaf router-type {
            ext:operation-exclude "update";
            ext:dynamic-default;
            type router-type;
            description
              "Route attribute of an interface. Capabilities supported by this node vary according to interface types.";
          }

          leaf clear-ip-df {
            type boolean;
            default "false";
            description
              "Enable/disable a device to forcibly fragment IP packets on an outbound interface. Capabilities supported by this node vary according to interface types.";
          }

          leaf link-up-down-trap-enable {
            type boolean;
            default "true";
            description
              "Enable/disable the trap function on an interface. Capabilities supported by this node vary according to interface types.";
          }

          leaf statistic-enable {
            ext:dynamic-default;
            type boolean;
            description
              "Enable/disable the statistics function on an interface. The default value of this node varies according to different interface types. Capabilities supported by this node vary according to interface types.";
          }

          leaf statistic-mode {
            type statistic-mode;
            must
              "../statistic-mode = 'interface-based' or (../l2-mode-enable = 'true' and ../statistic-enable = 'true')";
            default "interface-based";
            description
              "Mode of statistics collection. Capabilities supported by this node vary according to interface types.";
          }

          choice bandwidth-type {
            description
              "Configure the bandwidth of an interface.";
            case bandwidth-mbps {
              description
                "Configure the bandwidth of an interface.";
              leaf bandwidth {
                type uint32 {
                  range "1..1000000";
                }
                units "Mbit/s";
                description
                  "Configure the bandwidth of an interface. Capabilities supported by this node vary according to interface types.";
              }
            }  // case bandwidth-mbps

            case bandwidth-kbps {
              description
                "Configure the bandwidth of an interface.";
              leaf bandwidth-kbps {
                type uint32 {
                  range "1..1000000";
                }
                units "kbit/s";
                description
                  "Configure the bandwidth of an interface. Capabilities supported by this node vary according to interface types.";
              }
            }  // case bandwidth-kbps
          }  // choice bandwidth-type

          leaf mtu {
            ext:dynamic-default;
            type uint32 {
              range "0..64000";
            }
            units "Byte";
            description
              "Maximum transmission unit of an interface.
Special explanation:
Range: The server may restrict the allowed values for this leaf, depending on the interface types.
Capabilities supported by this node vary according to interface types.";
          }

          leaf spread-mtu-flag {
            type boolean;
            default "false";
            description
              "Enable/disable the function of spreading the MTU value of main interface to subinterface. Capabilities supported by this node vary according to interface types.";
          }

          leaf statistic-interval {
            type uint32 {
              range "10..600";
            }
            units "s";
            must
              "(../statistic-interval) mod 10 = 0";
            description
              "Interval at which flow statistics are collected on an interface. Capabilities supported by this node vary according to interface types.";
          }

          leaf vrf-name {
            type leafref {
              path "/ni:network-instance/ni:instances/ni:instance/ni:name";
            }
            default "_public_";
            description
              "Name of a VPN instance. It uniquely identifies a VPN instance. The VRF name of the DCN interface cannot be created, modified, or deleted.";
          }

          leaf l2-mode-enable {
            ext:operation-exclude "update";
            type boolean;
            default "false";
            description
              "Enable/disable the function of creating an L2 Sub-interface. Capabilities supported by this node vary according to interface types.";
          }

          leaf down-delay-time {
            when
              "../type='Eth-Trunk' and ../class='main-interface'";
            type uint32 {
              range "0..1000";
            }
            units "ms";
            must
              "(../down-delay-time) mod 100 = 0";
            default "0";
            description
              "Specify down-delay-time value in milliseconds.";
          }

          leaf mac-address {
            type pub-type:mac-address {
              length "0..255";
            }
            description
              "Config MAC Address. Constraints on MAC address configuration varies according to interfaces. Capabilities supported by this node vary according to interface types.";
          }

          leaf index {
            type uint32;
            config false;
            description
              "Index of an interface.";
          }

          leaf position {
            type string {
              length "1..256";
            }
            config false;
            description
              "Position of an interface. For example, 0/1/0. Data can be queried only on physical interfaces.";
          }

          leaf aggregation-name {
            type pub-type:if-name;
            config false;
            description
              "Name of an aggregation interface.";
          }

          leaf is-l2-switch {
            type boolean;
            default "false";
            config false;
            description
              "To identify a layer2 switch port.";
          }

          leaf vs-name {
            type string {
              length "1..50";
            }
            config false;
            description
              "Name of a VS to which an interface belongs.";
          }

          leaf l2-switch-port-index {
            type uint32;
            config false;
            description
              "L2 switch port index of an interface.";
          }

          leaf service-type {
            type service-type;
            config false;
            description
              "Type of a member interface.";
          }

          leaf encapsulation-type {
            type encapsulation-type;
            config false;
            description
              "Effective encapsulation type.";
          }

          leaf network-layer-status {
            type network-layer-state;
            default "ipv4-ipv6-up";
            description
              "Network-layer status of an interface.";
          }

          leaf protocol-up-delay-time {
            ext:dynamic-default;
            type uint32 {
              range "0..7200";
            }
            units "s";
            description
              "Specify the protocol up-delay-time value in seconds.";
          }

          container control-flap {
            presence
              "Enable/disable flapping control on an interface.";
            description
              "Enable/disable flapping control on an interface.";
            leaf suppress {
              type uint32 {
                range "1..20000";
              }
              must
                "(../suppress>../reuse) and ((../suppress<../ceiling))";
              default "2000";
              description
                "Suppression threshold on an interface. The value must be greater than the reusing threshold and smaller than the suppression upper limit.";
            }

            leaf reuse {
              type uint32 {
                range "1..20000";
              }
              must "(../reuse<../suppress)";
              default "750";
              description
                "Reusing threshold of an interface. The value must be smaller than the suppression threshold.";
            }

            leaf ceiling {
              type uint32 {
                range "1001..20000";
              }
              must
                "(../ceiling>../suppress)";
              default "6000";
              description
                "Maximum suppression value on an interface. The value should be greater than the damping suppression threshold.";
            }

            leaf decay-ok {
              type uint32 {
                range "1..900";
              }
              units "s";
              default "54";
              description
                "The penalty value of an Up interface attenuates to 1/2.";
            }

            leaf decay-ng {
              type uint32 {
                range "1..900";
              }
              units "s";
              default "54";
              description
                "The penalty value of a Down interface attenuates to 1/2.";
            }

            leaf control-flap-count {
              type uint32;
              config false;
              description
                "Status suppression count of an interface.";
            }
          }  // container control-flap

          container trap-threshold {
            description
              "Configure the trap threshold.";
            leaf input-rising-rate {
              type uint32 {
                range "1..100";
              }
              units "%";
              must
                "not (../input-rising-rate and ../input-resume-rate and ../input-rising-rate<../input-resume-rate)";
              default "100";
              description
                "Input bandwidth usage trap threshold.";
            }

            leaf input-resume-rate {
              type uint32 {
                range "1..100";
              }
              units "%";
              must
                "not (../input-rising-rate and ../input-resume-rate and ../input-rising-rate<../input-resume-rate)";
              default "100";
              description
                "Input bandwidth usage resume threshold.";
            }

            leaf output-rising-rate {
              type uint32 {
                range "1..100";
              }
              units "%";
              must
                "not (../output-rising-rate and ../output-resume-rate and ../output-rising-rate<../output-resume-rate)";
              default "100";
              description
                "Output bandwidth usage trap threshold.";
            }

            leaf output-resume-rate {
              type uint32 {
                range "1..100";
              }
              units "%";
              must
                "not (../output-rising-rate and ../output-resume-rate and ../output-rising-rate<../output-resume-rate)";
              default "100";
              description
                "Output bandwidth usage resume threshold.";
            }
          }  // container trap-threshold

          choice damping {
            default "ignore-damp";
            description
              "Damp function for single interface.";
            case ignore-damp {
              description
                "Ignore global damp function.";
              container ignore-damp {
                description
                  "Configure an interface to ignore the global damp-interface function.";
                leaf ignore-global-damp {
                  type boolean;
                  default "false";
                  description
                    "Enable/disable an interface to ignore the global damp-interface function.";
                }
              }  // container ignore-damp
            }  // case ignore-damp

            case damp {
              description
                "Single interface status suppression.";
              container damp {
                presence
                  "Enable/disable suppression on an interface's physical status flappings.";
                description
                  "Enable/disable suppression on an interface's physical status flappings.";
                leaf tx-off {
                  type boolean;
                  default "false";
                  description
                    "Enable/disable an interface suppressed due to status flapping from sending signals.";
                }

                choice level {
                  default "auto";
                  description
                    "Interface physical status damping level.";
                  case auto {
                    description
                      "Auto damping level.";
                    container auto {
                      description
                        "Configure an auto suppression level.";
                      leaf level {
                        type damp-level-type;
                        default "light";
                        description
                          "Auto damping level.";
                      }
                    }  // container auto
                  }  // case auto

                  case manual {
                    description
                      "Manual damping level.";
                    container manual {
                      description
                        "Configure a manual suppression level.";
                      leaf suppress {
                        type uint32 {
                          range "1..20000";
                        }
                        must
                          "(../suppress>../reuse)";
                        mandatory true;
                        description
                          "1000 times of suppress threshold.";
                      }

                      leaf reuse {
                        type uint32 {
                          range "1..20000";
                        }
                        must
                          "(../reuse<../suppress)";
                        mandatory true;
                        description
                          "1000 times of reuse threshold.";
                      }

                      leaf max-suppress-time {
                        type uint16 {
                          range "1..255";
                        }
                        units "s";
                        mandatory true;
                        description
                          "Max suppress time.";
                      }

                      leaf half-life-period {
                        type uint16 {
                          range "1..60";
                        }
                        units "s";
                        mandatory true;
                        description
                          "Half life time.";
                      }
                    }  // container manual
                  }  // case manual
                }  // choice level
              }  // container damp
            }  // case damp
          }  // choice damping

          container damp-state {
            config false;
            description
              "Operational state of interface suppression information.";
            leaf suppress-status {
              type damp-status-type;
              description
                "Interface status suppression state.";
            }

            leaf suppress {
              type uint32 {
                range "1..20000";
              }
              description
                "1000 times of suppress threshold.";
            }

            leaf reuse {
              type uint32 {
                range "1..20000";
              }
              description
                "1000 times of reuse threshold.";
            }

            leaf max-suppress-time {
              type uint16 {
                range "1..255";
              }
              units "s";
              description
                "Max suppress time.";
            }

            leaf half-life-period {
              type uint16 {
                range "1..60";
              }
              units "s";
              description "Half life time.";
            }

            leaf damp-reuse-time {
              type uint16 {
                range "0..255";
              }
              units "s";
              description
                "Damping reuse time.";
            }

            leaf current-penalty {
              type uint32;
              description
                "1000 times of current penalty.";
            }

            leaf max-penalty {
              type uint32;
              description
                "1000 times of max penalty.";
            }
          }  // container damp-state

          container dynamic {
            config false;
            description
              "Operational state of interfaces.";
            leaf oper-status {
              type port-status;
              description
                "Running status of an interface.";
            }

            leaf physical-status {
              type port-status;
              description
                "Physical status of an interface.";
            }

            leaf link-status {
              type port-status;
              description
                "Link status of an interface.";
            }

            leaf mtu {
              type uint32;
              units "Byte";
              description
                "Dynamic MTU of an interface.";
            }

            leaf bandwidth {
              type pub-type:band-width;
              description
                "Bandwidth of an interface.";
            }

            leaf ipv4-status {
              type port-status;
              description
                "IPv4 Protocol status of an interface.";
            }

            leaf ipv6-status {
              type port-status;
              description
                "IPv6 protocol status of an interface.";
            }

            leaf is-control-flap-damp {
              type boolean;
              description
                "Status suppression of an interface.";
            }

            leaf mac-address {
              type pub-type:mac-address {
                length "1..14";
              }
              description
                "MAC address of an interface.";
            }

            leaf line-protocol-up-time {
              type yang:date-and-time;
              description
                "Last line protocol up time.";
            }

            leaf is-offline {
              type boolean;
              description
                "Whether an interface is offline.";
            }

            leaf link-quality-grade {
              type link-quality-grade-type;
              description
                "Interface link quality grade.";
            }

            leaf sub-if-counts {
              type uint32;
              description
                "Number of sub-interfaces on this interface.";
            }
          }  // container dynamic

          container mib-statistics {
            config false;
            description
              "Interface statistics.";
            leaf receive-byte {
              type uint64;
              units "Byte";
              description
                "Number of bytes received on an interface.";
            }

            leaf send-byte {
              type uint64;
              units "Byte";
              description
                "Number of bytes sent on an interface.";
            }

            leaf receive-packet {
              type uint64;
              units "packet";
              description
                "Number of packets received on an interface.";
            }

            leaf send-packet {
              type uint64;
              units "packet";
              description
                "Number of packets sent on an interface.";
            }

            leaf receive-unicast-packet {
              type uint64;
              units "packet";
              description
                "Number of unicast packets received on an interface.";
            }

            leaf receive-multicast-packet {
              type uint64;
              units "packet";
              description
                "Number of multicast packets received on an interface.";
            }

            leaf receive-broad-packet {
              type uint64;
              units "packet";
              description
                "Number of broadcast packets received on an interface.";
            }

            leaf send-unicast-packet {
              type uint64;
              units "packet";
              description
                "Number of unicast packets sent on an interface.";
            }

            leaf send-multicast-packet {
              type uint64;
              units "packet";
              description
                "Number of multicast packets sent on an interface.";
            }

            leaf send-broad-packet {
              type uint64;
              units "packet";
              description
                "Number of broadcast packets sent on an interface.";
            }

            leaf receive-error-packet {
              type uint64;
              units "packet";
              description
                "Number of error packets received on an interface.";
            }

            leaf receive-drop-packet {
              type uint64;
              units "packet";
              description
                "Number of received packets discarded on an interface.";
            }

            leaf send-error-packet {
              type uint64;
              units "packet";
              description
                "Number of error packets sent on an interface.";
            }

            leaf send-drop-packet {
              type uint64;
              units "packet";
              description
                "Number of sent packets discarded on an interface.";
            }
          }  // container mib-statistics

          container common-statistics {
            config false;
            description
              "Interface statistics.";
            leaf stati-interval {
              type uint32 {
                range "10..600";
              }
              units "s";
              default "300";
              description
                "Current interval at which interface flow statistics are collected.";
            }

            leaf in-byte-rate {
              type uint64;
              units "Byte/s";
              description
                "Rate at which bytes are received within the interval.";
            }

            leaf in-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate at which bits are received within the interval.";
            }

            leaf in-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate at which packets are received within the interval.";
            }

            leaf in-use-rate {
              type string {
                length "1..50";
              }
              description
                "Input bandwidth usage within the interval.";
            }

            leaf out-byte-rate {
              type uint64;
              units "Byte/s";
              description
                "Rate at which bytes are sent within the interval.";
            }

            leaf out-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate at which bits are sent within the interval.";
            }

            leaf out-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate at which packets are sent within the interval.";
            }

            leaf out-use-rate {
              type string {
                length "1..50";
              }
              description
                "Output bandwidth usage within the interval.";
            }

            leaf receive-byte {
              type uint64;
              units "Byte";
              description
                "Number of received bytes, which can be cleared.";
            }

            leaf send-byte {
              type uint64;
              units "Byte";
              description
                "Number of sent bytes, which can be cleared.";
            }

            leaf receive-packet {
              type uint64;
              units "packet";
              description
                "Number of received packets, which can be cleared.";
            }

            leaf send-packet {
              type uint64;
              units "packet";
              description
                "Number of sent packets, which can be cleared.";
            }

            leaf receive-unicast-packet {
              type uint64;
              units "packet";
              description
                "Number of received unicast packets, which can be cleared.";
            }

            leaf receive-multicast-packet {
              type uint64;
              units "packet";
              description
                "Number of received multicast packets, which can be cleared.";
            }

            leaf receive-broad-packet {
              type uint64;
              units "packet";
              description
                "Number of received broadcast packets, which can be cleared.";
            }

            leaf send-unicast-packet {
              type uint64;
              units "packet";
              description
                "Number of sent unicast packets, which can be cleared.";
            }

            leaf send-multicast-packet {
              type uint64;
              units "packet";
              description
                "Number of sent multicast packets, which can be cleared.";
            }

            leaf send-broad-packet {
              type uint64;
              units "packet";
              description
                "Number of sent broadcast packets, which can be cleared.";
            }

            leaf receive-error-packet {
              type uint64;
              units "packet";
              description
                "Number of received error packets, which can be cleared.";
            }

            leaf receive-drop-packet {
              type uint64;
              units "packet";
              description
                "Number of received discarded packets, which can be cleared.";
            }

            leaf send-error-packet {
              type uint64;
              units "packet";
              description
                "Number of sent error packets, which can be cleared.";
            }

            leaf send-drop-packet {
              type uint64;
              units "packet";
              description
                "Number of sent discarded packets, which can be cleared.";
            }

            leaf send-unicast-bit {
              type uint64;
              units "bit";
              description
                "Number of unicast bits sent on an interface.";
            }

            leaf receive-unicast-bit {
              type uint64;
              units "bit";
              description
                "Number of unicast bits received on an interface.";
            }

            leaf send-multicast-bit {
              type uint64;
              units "bit";
              description
                "Number of multicast bits sent on an interface.";
            }

            leaf receive-multicast-bit {
              type uint64;
              units "bit";
              description
                "Number of multicast bits received on an interface.";
            }

            leaf send-broad-bit {
              type uint64;
              units "bit";
              description
                "Number of broadcast bits sent on an interface.";
            }

            leaf receive-broad-bit {
              type uint64;
              units "bit";
              description
                "Number of broadcast bits received on an interface.";
            }

            leaf send-unicast-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate of unicast bits sent on an interface.";
            }

            leaf receive-unicast-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate of unicast bits received on an interface.";
            }

            leaf send-multicast-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate of multicast bits sent on an interface.";
            }

            leaf receive-multicast-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate of multicast bits received on an interface.";
            }

            leaf send-broad-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate of broadcast bits sent on an interface.";
            }

            leaf receive-broad-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate of broadcast bits received on an interface.";
            }

            leaf send-unicast-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate of unicast packets sent on an interface.";
            }

            leaf receive-unicast-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate of unicast packets received on an interface.";
            }

            leaf send-multicast-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate of multicast packets sent on an interface.";
            }

            leaf receive-multicast-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate of multicast packets received on an interface.";
            }

            leaf send-broadcast-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate of broadcast packets sent on an interface.";
            }

            leaf receive-broadcast-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate of broadcast packets received on an interface.";
            }
          }  // container common-statistics

          container error-down {
            config false;
            description
              "Information about the interface in the error-down state, including the interface name, cause of the error-down event, delay for the transition from down to up, and remaining time for the up state.";
            leaf cause {
              type error-down-type;
              description
                "Cause of the error-down event.";
            }

            leaf recovery-time {
              type uint32 {
                range "0..86400";
              }
              units "s";
              description
                "Delay for the transition from down to up.";
            }

            leaf remainder-time {
              type uint32 {
                range "0..86400";
              }
              units "s";
              description
                "The remaining time for the up event.";
            }
          }  // container error-down

          container virtual-position {
            config false;
            description
              "Operational state of the interface's virtual position.";
            leaf vnfc-name {
              type string {
                length "1..31";
              }
              description
                "Virtualized network function component (VNFC) name.";
            }

            leaf board-id {
              type uint32;
              description
                "Virtual board ID.";
            }

            leaf port-id {
              type uint32;
              description "Virtual Port ID.";
            }
          }  // container virtual-position
        }  // list interface
      }  // container interfaces

      container static-dimension-ranges {
        config false;
        description
          "List of interface dimensionality.";
        list static-dimension-range {
          key "type";
          description
            "Statistics of Interface dimensionality.";
          leaf type {
            type port-type;
            must "../type='Tunnel'";
            description "Interface type.";
          }

          leaf chassis-range {
            type string {
              length "0..63";
            }
            description
              "The range of chassis.";
          }

          leaf slot-range {
            type string {
              length "0..63";
            }
            description "The range of slot.";
          }

          leaf card-range {
            type string {
              length "0..63";
            }
            description "The range of card.";
          }

          leaf port-range {
            type string {
              length "0..63";
            }
            description "The range of port.";
          }
        }  // list static-dimension-range
      }  // container static-dimension-ranges

      container ipv4-interface-count {
        config false;
        description
          "Statistics of interfaces supporting IPv4 address configuration.";
        leaf physical-up-count {
          type uint32;
          description
            "Number of IPv4 interfaces that are in the physical up state.";
        }

        leaf physical-down-count {
          type uint32;
          description
            "Number of IPv4 interfaces that are in the physical down state.";
        }

        leaf protocol-up-count {
          type uint32;
          description
            "Number of IPv4 interfaces that are in the protocol up state.";
        }

        leaf protocol-down-count {
          type uint32;
          description
            "Number of IPv4 interfaces that are in the protocol down state.";
        }
      }  // container ipv4-interface-count

      container remote-interfaces {
        config false;
        description
          "List of statistics of remote interfaces.";
        list remote-interface {
          key "name";
          description
            "Statistics of remote interfaces.";
          leaf name {
            type pub-type:if-name;
            description
              "Name of a remote interface.";
          }

          leaf index {
            type uint32;
            description
              "Index of a remote interface.";
          }

          container remote-statistics-state {
            config false;
            description
              "Statistics of remote interfaces.";
            leaf last-cleared-time {
              type pub-type:time;
              description
                "Last time when statistics about remote interfaces were cleared.";
            }

            leaf in-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate at which bits are received.";
            }

            leaf in-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate at which packets are received.";
            }

            leaf in-peak-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Peak rate at which bits are received.";
            }

            leaf in-peak-bit-rate-record-time {
              type pub-type:time;
              description
                "Time when the peak bit receive rate is reached.";
            }

            leaf out-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Rate at which bits are sent.";
            }

            leaf out-packet-rate {
              type uint64;
              units "pps";
              description
                "Rate at which packets are sent.";
            }

            leaf out-peak-bit-rate {
              type uint64;
              units "bit/s";
              description
                "Peak rate at which bits are sent.";
            }

            leaf out-peak-bit-rate-record-time {
              type pub-type:time;
              description
                "Time when the peak bit send rate is reached.";
            }

            leaf in-use-rate {
              type string {
                length "1..50";
              }
              description
                "Received bandwidth usage.";
            }

            leaf out-use-rate {
              type string {
                length "1..50";
              }
              description
                "Sent bandwidth usage.";
            }
          }  // container remote-statistics-state
        }  // list remote-interface
      }  // container remote-interfaces
    }  // container ifm

    rpc reset-if-counters-by-name {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:common-statistics";
      description
        "Clear statistics of interfaces.";
      input {
        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          mandatory true;
          description
            "Clear statistics based on the interface name. For example, Ethernet0/1/0.";
        }
      }
    }  // rpc reset-if-counters-by-name

    rpc reset-if-counters-by-type {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:common-statistics";
      description
        "Clear statistics of interfaces.";
      input {
        leaf if-type {
          type port-type;
          mandatory true;
          description
            "To clear the statistics by the type of interface.";
        }
      }
    }  // rpc reset-if-counters-by-type

    rpc reset-if-counters-all {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:common-statistics";
      description
        "Clear statistics of interfaces.";
      input {
        leaf all-if {
          type boolean;
          mandatory true;
          description
            "Enable/disable the function of clearing interfaces' statistics.";
        }
      }
    }  // rpc reset-if-counters-all

    rpc reset-if-mib-counters-by-name {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:mib-statistics";
      description
        "Clear statistics of interfaces.";
      input {
        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          mandatory true;
          description
            "Clear statistics based on the interface name. For example, Ethernet0/1/0.";
        }
      }
    }  // rpc reset-if-mib-counters-by-name

    rpc reset-if-mib-counters-by-type {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:mib-statistics";
      description
        "Clear statistics of interfaces.";
      input {
        leaf if-type {
          type port-type;
          mandatory true;
          description
            "To clear the statistics by the type of interface.";
        }
      }
    }  // rpc reset-if-mib-counters-by-type

    rpc reset-if-mib-counters-all {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:mib-statistics";
      description
        "Clear statistics of interfaces.";
      input {
        leaf all-if {
          type boolean;
          mandatory true;
          description
            "Enable/disable the function of clearing interfaces' statistics.";
        }
      }
    }  // rpc reset-if-mib-counters-all

    rpc reset-if-control-flap-penalty {
      description
        "Clear the penalty value of an interface and remove the suppression on the interface.";
      input {
        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          mandatory true;
          description
            "Name of the interface. For example, Ethernet0/1/0.";
        }
      }
    }  // rpc reset-if-control-flap-penalty

    rpc reset-if-control-flap-counts {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:control-flap/ifm:control-flap-count";
      description
        "Clear the number of flapping control times.";
      input {
        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          mandatory true;
          description
            "Name of the interface. For example, Ethernet0/1/0.";
        }
      }
    }  // rpc reset-if-control-flap-counts

    rpc reset-remote-if-counters {
      ext:node-ref "/ifm:ifm/ifm:remote-interfaces/ifm:remote-interface/ifm:remote-statistics-state";
      description
        "Clear remote interface statistics.";
      input {
        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          mandatory true;
          description
            "Interface name of clear remote interface statistics.";
        }
      }
    }  // rpc reset-remote-if-counters

    rpc restart-if {
      ext:node-ref "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:admin-status";
      description "Restart interface.";
      input {
        leaf if-name {
          type leafref {
            path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
          }
          mandatory true;
          description
            "Interface name of the restart interface.";
        }
      }
    }  // rpc restart-if
  }  // module huawei-ifm