module Cisco-IOS-XR-ipv4-vrrp-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-ipv4-vrrp-oper";

    prefix ipv4-vrrp-oper;

    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import cisco-semver {
      prefix semver;
    }

    include Cisco-IOS-XR-ipv4-vrrp-oper-sub1 {
      revision-date "2019-04-05";
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
Customer Service

Postal: 170 West Tasman Drive
San Jose, CA 95134

Tel: +1 800 553-NETS

E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
for Cisco IOS-XR ipv4-vrrp package operational data.

This module contains definitions
for the following management objects:
  vrrp: VRRP operational data

Copyright (c) 2013-2019 by Cisco Systems, Inc.
All rights reserved.";

    revision "2019-04-05" {
      description
        "Establish semantic version baseline.";
    }

    revision "2018-12-12" {
      description
        "Moved router id to a range type.";
    }

    revision "2017-09-07" {
      description
        "Fixed type translation error.";
    }

    revision "2017-05-01" {
      description
        "Fixing backward compatibility error in module.";
    }

    revision "2016-12-16" {
      description "IOS XR 6.2.1 revision.";
    }

    revision "2015-11-09" {
      description "IOS XR 6.0 revision.";
    }

    semver:module-version "1.0.0";

    typedef Virtual-router-id {
      type uint32 {
        range "1..255";
      }
      description "Virtual router id";
    }

    container vrrp {
      config false;
      description "VRRP operational data";
      container summary {
        description
          "VRRP summary statistics";
        leaf ipv4-sessions-master-owner {
          type uint32;
          description
            "Number of IPv4 sessions in MASTER (owner) state";
        }

        leaf ipv4-sessions-master {
          type uint32;
          description
            "Number of IPv4 sessions in MASTER state";
        }

        leaf ipv4-sessions-backup {
          type uint32;
          description
            "Number of IPv4 sessions in BACKUP state";
        }

        leaf ipv4-sessions-init {
          type uint32;
          description
            "Number of IPv4 sessions in INIT state";
        }

        leaf ipv4-slaves-master {
          type uint32;
          description
            "Number of IPv4 slaves in MASTER state";
        }

        leaf ipv4-slaves-backup {
          type uint32;
          description
            "Number of IPv4 slaves in BACKUP state";
        }

        leaf ipv4-slaves-init {
          type uint32;
          description
            "Number of IPv4 slaves in INIT state";
        }

        leaf ipv4-virtual-ip-addresses-master-owner-up {
          type uint32;
          description
            "Number of UP IPv4 Virtual IP Addresses on
virtual routers in MASTER (owner) state";
        }

        leaf ipv4-virtual-ip-addresses-master-owner-down {
          type uint32;
          description
            "Number of DOWN IPv4 Virtual IP Addresses on
virtual routers in MASTER (owner) state";
        }

        leaf ipv4-virtual-ip-addresses-master-up {
          type uint32;
          description
            "Number of UP IPv4 Virtual IP Addresses on
virtual routers in MASTER state";
        }

        leaf ipv4-virtual-ip-addresses-master-down {
          type uint32;
          description
            "Number of DOWN IPv4 Virtual IP Addresses on
virtual routers in MASTER state";
        }

        leaf ipv4-virtual-ip-addresses-backup-up {
          type uint32;
          description
            "Number of UP IPv4 Virtual IP Addresses on
virtual routers in BACKUP state";
        }

        leaf ipv4-virtual-ip-addresses-backup-down {
          type uint32;
          description
            "Number of DOWN IPv4 Virtual IP Addresses on
virtual routers in BACKUP state";
        }

        leaf ipv4-virtual-ip-addresses-init-up {
          type uint32;
          description
            "Number of UP IPv4 Virtual IP Addresses on
virtual routers in INIT state";
        }

        leaf ipv4-virtual-ip-addresses-init-down {
          type uint32;
          description
            "Number of DOWN IPv4 Virtual IP Addresses on
virtual routers in INIT state";
        }

        leaf ipv6-sessions-master-owner {
          type uint32;
          description
            "Number of IPv6 sessions in MASTER (owner) state";
        }

        leaf ipv6-sessions-master {
          type uint32;
          description
            "Number of IPv6 sessions in MASTER state";
        }

        leaf ipv6-sessions-backup {
          type uint32;
          description
            "Number of IPv6 sessions in BACKUP state";
        }

        leaf ipv6-sessions-init {
          type uint32;
          description
            "Number of IPv6 sessions in INIT state";
        }

        leaf ipv6-slaves-master {
          type uint32;
          description
            "Number of IPv6 slaves in MASTER state";
        }

        leaf ipv6-slaves-backup {
          type uint32;
          description
            "Number of IPv6 slaves in BACKUP state";
        }

        leaf ipv6-slaves-init {
          type uint32;
          description
            "Number of IPv6 slaves in INIT state";
        }

        leaf ipv6-virtual-ip-addresses-master-owner-up {
          type uint32;
          description
            "Number of UP IPv6 Virtual IP Addresses on
virtual routers in MASTER (owner) state";
        }

        leaf ipv6-virtual-ip-addresses-master-owner-down {
          type uint32;
          description
            "Number of DOWN IPv6 Virtual IP Addresses on
virtual routers in MASTER (owner) state";
        }

        leaf ipv6-virtual-ip-addresses-master-up {
          type uint32;
          description
            "Number of UP IPv6 Virtual IP Addresses on
virtual routers in MASTER state";
        }

        leaf ipv6-virtual-ip-addresses-master-down {
          type uint32;
          description
            "Number of DOWN IPv6 Virtual IP Addresses on
virtual routers in MASTER state";
        }

        leaf ipv6-virtual-ip-addresses-backup-up {
          type uint32;
          description
            "Number of UP IPv6 Virtual IP Addresses on
virtual routers in BACKUP state";
        }

        leaf ipv6-virtual-ip-addresses-backup-down {
          type uint32;
          description
            "Number of DOWN IPv6 Virtual IP Addresses on
virtual routers in BACKUP state";
        }

        leaf ipv6-virtual-ip-addresses-init-up {
          type uint32;
          description
            "Number of UP IPv6 Virtual IP Addresses on
virtual routers in INIT state";
        }

        leaf ipv6-virtual-ip-addresses-init-down {
          type uint32;
          description
            "Number of DOWN IPv6 Virtual IP Addresses on
virtual routers in INIT state";
        }

        leaf interfaces-ipv4-state-up {
          type uint32;
          description
            "Number of VRRP interfaces with IPv4 caps in UP
state";
        }

        leaf interfaces-ipv4-state-down {
          type uint32;
          description
            "Number of VRRP interfaces with IPv4 caps in DOWN
state";
        }

        leaf tracked-interfaces-ipv4-state-up {
          type uint32;
          description
            "Number of tracked interfaces with IPv4 caps in
UP state";
        }

        leaf tracked-interfaces-ipv4-state-down {
          type uint32;
          description
            "Number of tracked interfaces with IPv4 caps in
DOWN state";
        }

        leaf interfaces-ipv6-state-up {
          type uint32;
          description
            "Number of VRRP interfaces with IPv6 caps in UP
state";
        }

        leaf interfaces-ipv6-state-down {
          type uint32;
          description
            "Number of VRRP interfaces with IPv6 caps in DOWN
state";
        }

        leaf tracked-interfaces-ipv6-state-up {
          type uint32;
          description
            "Number of tracked interfaces with IPv6 caps in
UP state";
        }

        leaf tracked-interfaces-ipv6-state-down {
          type uint32;
          description
            "Number of tracked interfaces with IPv6 caps in
DOWN state";
        }

        leaf tracked-objects-state-up {
          type uint32;
          description
            "Number of tracked objects in UP state";
        }

        leaf tracked-objects-state-down {
          type uint32;
          description
            "Number of tracked objects in DOWN state";
        }

        leaf bfd-sessions-up {
          type uint32;
          description
            "Number of VRRP IPv4 BFD sessions in UP state";
        }

        leaf bfd-sessions-down {
          type uint32;
          description
            "Number of VRRP IPv4 BFD sessions in DOWN state";
        }

        leaf bfd-session-inactive {
          type uint32;
          description
            "Number of VRRP IPv4 BFD sessions in INACTIVE
state";
        }

        leaf ipv6bfd-sessions-up {
          type uint32;
          description
            "Number of VRRP IPv6 BFD sessions in UP state";
        }

        leaf ipv6bfd-sessions-down {
          type uint32;
          description
            "Number of VRRP IPv6 BFD sessions in DOWN state";
        }

        leaf ipv6bfd-session-inactive {
          type uint32;
          description
            "Number of VRRP IPv6 BFD sessions in INACTIVE
state";
        }
      }  // container summary

      container ipv6 {
        description
          "IPv6 VRRP configuration";
        container track-items {
          description
            "The VRRP tracked item table";
          list track-item {
            key "interface-name virtual-router-id tracked-interface-name";
            description
              "A configured VRRP IP address entry";
            leaf interface-name {
              type xr:Interface-name;
              description
                "The interface name to track";
            }

            leaf virtual-router-id {
              type Virtual-router-id;
              description
                "The VRRP virtual router id";
            }

            leaf tracked-interface-name {
              type xr:Interface-name;
              description
                "The name of the tracked interface";
            }

            leaf interface {
              type xr:Interface-name;
              description "IM Interface";
            }

            leaf virtual-router-id-xr {
              type uint32;
              description
                "Virtual Router ID";
            }

            leaf tracked-item-type {
              type uint16;
              description
                "Type of tracked item";
            }

            leaf tracked-item-index {
              type string {
                length "0..32";
              }
              description
                "Tracked item index";
            }

            leaf state {
              type uint8;
              description
                "State of the tracked item";
            }

            leaf priority {
              type uint8;
              description
                "Priority weight of item";
            }
          }  // list track-item
        }  // container track-items

        container virtual-routers {
          description
            "The VRRP virtual router table";
          list virtual-router {
            key "interface-name virtual-router-id";
            description
              "A VRRP virtual router";
            leaf interface-name {
              type xr:Interface-name;
              description
                "The name of the interface";
            }

            leaf virtual-router-id {
              type Virtual-router-id;
              description
                "The VRRP virtual router id";
            }

            container resign-sent-time {
              description
                "Time last resign was sent";
              leaf seconds {
                type uint32;
                units "second";
                description "Seconds";
              }

              leaf nanoseconds {
                type uint32;
                units "nanosecond";
                description "Nanoseconds";
              }
            }  // container resign-sent-time

            container resign-received-time {
              description
                "Time last resign was received";
              leaf seconds {
                type uint32;
                units "second";
                description "Seconds";
              }

              leaf nanoseconds {
                type uint32;
                units "nanosecond";
                description "Nanoseconds";
              }
            }  // container resign-received-time

            leaf interface-name-xr {
              type string {
                length "0..64";
              }
              description
                "IM Interface Name";
            }

            leaf virtual-router-id-xr {
              type uint32;
              description
                "Virtual Router ID";
            }

            leaf version {
              type Vrrp-version;
              description
                "VRRP Protocol Version";
            }

            leaf address-family {
              type Vrrp-b-af;
              description "Address family";
            }

            leaf session-name {
              type string {
                length "0..16";
              }
              description "Session Name";
            }

            leaf slaves {
              type uint32;
              description
                "Number of slaves following state";
            }

            leaf is-slave {
              type boolean;
              description
                "Group is a slave group";
            }

            leaf followed-session-name {
              type string {
                length "0..16";
              }
              description
                "Followed Session Name";
            }

            leaf secondary-address-count {
              type uint8;
              description
                "Configured VRRP secondary address count";
            }

            leaf operational-address-count {
              type uint8;
              description
                "Operational VRRP address count";
            }

            leaf primary-virtual-ip {
              type inet:ipv4-address;
              description
                "Configured IPv4 Primary address";
            }

            leaf configured-down-address-count {
              type uint8;
              description
                " Configured but Down VRRP address count";
            }

            leaf virtual-linklocal-ipv6-address {
              type inet:ipv6-address;
              description
                "Virtual linklocal IPv6 address";
            }

            leaf primary-state {
              type Vrrp-vip-state;
              description
                "State of primary IP address";
            }

            leaf master-ip-address {
              type inet:ipv4-address;
              description
                "Master router real IP address";
            }

            leaf master-ipv6-address {
              type inet:ipv6-address;
              description
                "Master router real IPv6 address";
            }

            leaf master-priority {
              type uint8;
              description
                "Master router priority";
            }

            leaf vrrp-state {
              type Vrrp-bag-protocol-state;
              description "VRRP state";
            }

            leaf authentication-type {
              type Vrrp-prot-auth;
              description
                "Authentication type";
            }

            leaf authentication-string {
              type string;
              description
                "Authentication data";
            }

            leaf configured-advertize-time {
              type uint32;
              description
                "Configured advertize time";
            }

            leaf oper-advertize-time {
              type uint32;
              description
                "Operational advertize time";
            }

            leaf min-delay-time {
              type uint32;
              units "millisecond";
              description
                "Minimum delay time in msecs";
            }

            leaf reload-delay-time {
              type uint32;
              units "millisecond";
              description
                "Reload delay time in msecs";
            }

            leaf delay-timer-flag {
              type boolean;
              description
                "Delay timer running flag";
            }

            leaf delay-timer-secs {
              type uint32;
              units "second";
              description
                "Delay timer running time secs";
            }

            leaf delay-timer-msecs {
              type uint32;
              units "millisecond";
              description
                "Delay timer running time msecs";
            }

            leaf authentication-flag {
              type boolean;
              description
                "Text authentication configured flag";
            }

            leaf force-timer-flag {
              type boolean;
              description
                "Configured timers forced flag";
            }

            leaf preempt-flag {
              type boolean;
              description
                "Preempt configured flag";
            }

            leaf ip-address-owner-flag {
              type boolean;
              description
                "IP address owner flag";
            }

            leaf is-accept-mode {
              type boolean;
              description "Is accept mode";
            }

            leaf preempt-delay-time {
              type uint16;
              description
                "Preempt delay time";
            }

            leaf configured-priority {
              type uint8;
              description
                "Configured priority";
            }

            leaf operational-priority {
              type uint8;
              description
                "Operational priority";
            }

            leaf priority-decrement {
              type uint32;
              description
                "Priority decrement";
            }

            leaf tracked-interface-count {
              type uint32;
              description
                "Number of items tracked";
            }

            leaf tracked-interface-up-count {
              type uint32;
              description
                "Number of tracked items up";
            }

            leaf tracked-item-count {
              type uint32;
              description
                "Number of tracked items";
            }

            leaf tracked-item-up-count {
              type uint32;
              description
                "Number of tracked items in UP state";
            }

            leaf time-in-current-state {
              type uint32;
              units "second";
              description
                "Time in current state secs";
            }

            leaf state-change-count {
              type uint32;
              description
                "Number of state changes";
            }

            leaf time-vrouter-up {
              type uint32;
              units "centisecond";
              description
                "Time vrouter is up in centiseconds";
            }

            leaf master-count {
              type uint32;
              description
                "No. of times become Master";
            }

            leaf adverts-received-count {
              type uint32;
              description
                "No. of advertisements received";
            }

            leaf advert-interval-error-count {
              type uint32;
              description
                "Advertise interval errors";
            }

            leaf adverts-sent-count {
              type uint32;
              description
                "No. of advertisements sent";
            }

            leaf authentication-fail-count {
              type uint32;
              description
                "Authentication failures";
            }

            leaf ttl-error-count {
              type uint32;
              description "TTL errors";
            }

            leaf priority-zero-received-count {
              type uint32;
              description
                "No. priority 0 received";
            }

            leaf priority-zero-sent-count {
              type uint32;
              description
                "No. priority 0 sent";
            }

            leaf invalid-packet-count {
              type uint32;
              description
                "Invalid packets received";
            }

            leaf address-list-error-count {
              type uint32;
              description
                "Address list errors";
            }

            leaf invalid-auth-type-count {
              type uint32;
              description
                "Invalid authentication type";
            }

            leaf auth-type-mismatch-count {
              type uint32;
              description
                "Authentication type mismatches";
            }

            leaf pkt-length-errors-count {
              type uint32;
              description
                "Packet length errors";
            }

            leaf time-stats-discontinuity {
              type uint32;
              description
                "Time since a statistics discontinuity in ticks
(10ns units)";
            }

            leaf bfd-session-state {
              type Vrrp-bfd-session-state;
              description
                "BFD session state";
            }

            leaf bfd-interval {
              type uint32;
              description
                "BFD packet send interval";
            }

            leaf bfd-multiplier {
              type uint32;
              description "BFD multiplier";
            }

            leaf bfd-cfg-remote-ip {
              type inet:ipv4-address;
              description
                "BFD configured remote IP";
            }

            leaf bfd-configured-remote-ipv6-address {
              type inet:ipv6-address;
              description
                "BFD configured remote IPv6";
            }

            leaf state-from-checkpoint {
              type boolean;
              description
                "Whether state recovered from checkpoint";
            }

            leaf interface-ipv4-address {
              type inet:ipv4-address;
              description
                "The Interface Primary IPv4 address";
            }

            leaf interface-ipv6-address {
              type inet:ipv6-address;
              description
                "The Interface linklocal IPv6 address";
            }

            leaf virtual-mac-address {
              type yang:mac-address;
              description
                "Virtual mac address";
            }

            leaf virtual-mac-address-state {
              type Vrrp-vmac-state;
              description
                "Virtual mac address state";
            }

            leaf-list operational-address {
              type inet:ipv4-address;
              description
                "Operational IPv4 VRRP addresses";
            }

            leaf-list ipv4-configured-down-address {
              type inet:ipv4-address;
              description
                "IPv4 Configured but Down VRRP addresses";
            }

            list ipv6-operational-address {
              description
                "IPv6 Operational VRRP addresses";
              leaf ipv6-address {
                type inet:ipv6-address;
                description "IPV6Address";
              }
            }  // list ipv6-operational-address

            list ipv6-configured-down-address {
              description
                "IPv6 Configured but Down VRRP addresses";
              leaf ipv6-address {
                type inet:ipv6-address;
                description "IPV6Address";
              }
            }  // list ipv6-configured-down-address

            list track-item-info {
              description "Track Item Info";
              leaf interface {
                type xr:Interface-name;
                description "IM Interface";
              }

              leaf virtual-router-id-xr {
                type uint32;
                description
                  "Virtual Router ID";
              }

              leaf tracked-item-type {
                type uint16;
                description
                  "Type of tracked item";
              }

              leaf tracked-item-index {
                type string {
                  length "0..32";
                }
                description
                  "Tracked item index";
              }

              leaf state {
                type uint8;
                description
                  "State of the tracked item";
              }

              leaf priority {
                type uint8;
                description
                  "Priority weight of item";
              }
            }  // list track-item-info

            list state-change-history {
              description
                "State change history";
              container time {
                description
                  "Time of state change";
                leaf seconds {
                  type uint32;
                  units "second";
                  description "Seconds";
                }

                leaf nanoseconds {
                  type uint32;
                  units "nanosecond";
                  description "Nanoseconds";
                }
              }  // container time

              leaf old-state {
                type Vrrp-bag-protocol-state;
                description "Old State";
              }

              leaf new-state {
                type Vrrp-bag-protocol-state;
                description "New State";
              }

              leaf reason {
                type Vrrp-state-change-reason;
                description
                  "Reason for state change";
              }
            }  // list state-change-history
          }  // list virtual-router
        }  // container virtual-routers

        container interfaces {
          description
            "The VRRP interface table";
          list interface {
            key "interface-name";
            description
              "A VRRP interface entry";
            leaf interface-name {
              type xr:Interface-name;
              description
                "The name of the interface";
            }

            leaf interface {
              type xr:Interface-name;
              description "IM Interface";
            }

            leaf invalid-checksum-count {
              type uint32;
              description "Invalid checksum";
            }

            leaf invalid-version-count {
              type uint32;
              description
                "Unknown/unsupported version";
            }

            leaf invalid-vrid-count {
              type uint32;
              description "Invalid vrID";
            }

            leaf invalid-packet-length-count {
              type uint32;
              description
                "Bad packet lengths";
            }
          }  // list interface
        }  // container interfaces
      }  // container ipv6

      container ipv4 {
        description
          "IPv4 VRRP configuration";
        container interfaces {
          description
            "The VRRP interface table";
          list interface {
            key "interface-name";
            description
              "A VRRP interface entry";
            leaf interface-name {
              type xr:Interface-name;
              description
                "The name of the interface";
            }

            leaf interface {
              type xr:Interface-name;
              description "IM Interface";
            }

            leaf invalid-checksum-count {
              type uint32;
              description "Invalid checksum";
            }

            leaf invalid-version-count {
              type uint32;
              description
                "Unknown/unsupported version";
            }

            leaf invalid-vrid-count {
              type uint32;
              description "Invalid vrID";
            }

            leaf invalid-packet-length-count {
              type uint32;
              description
                "Bad packet lengths";
            }
          }  // list interface
        }  // container interfaces

        container track-items {
          description
            "The VRRP tracked item table";
          list track-item {
            key "interface-name virtual-router-id tracked-interface-name";
            description
              "A configured VRRP IP address entry";
            leaf interface-name {
              type xr:Interface-name;
              description
                "The interface name to track";
            }

            leaf virtual-router-id {
              type Virtual-router-id;
              description
                "The VRRP virtual router id";
            }

            leaf tracked-interface-name {
              type xr:Interface-name;
              description
                "The name of the tracked interface";
            }

            leaf interface {
              type xr:Interface-name;
              description "IM Interface";
            }

            leaf virtual-router-id-xr {
              type uint32;
              description
                "Virtual Router ID";
            }

            leaf tracked-item-type {
              type uint16;
              description
                "Type of tracked item";
            }

            leaf tracked-item-index {
              type string {
                length "0..32";
              }
              description
                "Tracked item index";
            }

            leaf state {
              type uint8;
              description
                "State of the tracked item";
            }

            leaf priority {
              type uint8;
              description
                "Priority weight of item";
            }
          }  // list track-item
        }  // container track-items

        container virtual-routers {
          description
            "The VRRP virtual router table";
          list virtual-router {
            key "interface-name virtual-router-id";
            description
              "A VRRP virtual router";
            leaf interface-name {
              type xr:Interface-name;
              description
                "The name of the interface";
            }

            leaf virtual-router-id {
              type Virtual-router-id;
              description
                "The VRRP virtual router id";
            }

            container resign-sent-time {
              description
                "Time last resign was sent";
              leaf seconds {
                type uint32;
                units "second";
                description "Seconds";
              }

              leaf nanoseconds {
                type uint32;
                units "nanosecond";
                description "Nanoseconds";
              }
            }  // container resign-sent-time

            container resign-received-time {
              description
                "Time last resign was received";
              leaf seconds {
                type uint32;
                units "second";
                description "Seconds";
              }

              leaf nanoseconds {
                type uint32;
                units "nanosecond";
                description "Nanoseconds";
              }
            }  // container resign-received-time

            leaf interface-name-xr {
              type string {
                length "0..64";
              }
              description
                "IM Interface Name";
            }

            leaf virtual-router-id-xr {
              type uint32;
              description
                "Virtual Router ID";
            }

            leaf version {
              type Vrrp-version;
              description
                "VRRP Protocol Version";
            }

            leaf address-family {
              type Vrrp-b-af;
              description "Address family";
            }

            leaf session-name {
              type string {
                length "0..16";
              }
              description "Session Name";
            }

            leaf slaves {
              type uint32;
              description
                "Number of slaves following state";
            }

            leaf is-slave {
              type boolean;
              description
                "Group is a slave group";
            }

            leaf followed-session-name {
              type string {
                length "0..16";
              }
              description
                "Followed Session Name";
            }

            leaf secondary-address-count {
              type uint8;
              description
                "Configured VRRP secondary address count";
            }

            leaf operational-address-count {
              type uint8;
              description
                "Operational VRRP address count";
            }

            leaf primary-virtual-ip {
              type inet:ipv4-address;
              description
                "Configured IPv4 Primary address";
            }

            leaf configured-down-address-count {
              type uint8;
              description
                " Configured but Down VRRP address count";
            }

            leaf virtual-linklocal-ipv6-address {
              type inet:ipv6-address;
              description
                "Virtual linklocal IPv6 address";
            }

            leaf primary-state {
              type Vrrp-vip-state;
              description
                "State of primary IP address";
            }

            leaf master-ip-address {
              type inet:ipv4-address;
              description
                "Master router real IP address";
            }

            leaf master-ipv6-address {
              type inet:ipv6-address;
              description
                "Master router real IPv6 address";
            }

            leaf master-priority {
              type uint8;
              description
                "Master router priority";
            }

            leaf vrrp-state {
              type Vrrp-bag-protocol-state;
              description "VRRP state";
            }

            leaf authentication-type {
              type Vrrp-prot-auth;
              description
                "Authentication type";
            }

            leaf authentication-string {
              type string;
              description
                "Authentication data";
            }

            leaf configured-advertize-time {
              type uint32;
              description
                "Configured advertize time";
            }

            leaf oper-advertize-time {
              type uint32;
              description
                "Operational advertize time";
            }

            leaf min-delay-time {
              type uint32;
              units "millisecond";
              description
                "Minimum delay time in msecs";
            }

            leaf reload-delay-time {
              type uint32;
              units "millisecond";
              description
                "Reload delay time in msecs";
            }

            leaf delay-timer-flag {
              type boolean;
              description
                "Delay timer running flag";
            }

            leaf delay-timer-secs {
              type uint32;
              units "second";
              description
                "Delay timer running time secs";
            }

            leaf delay-timer-msecs {
              type uint32;
              units "millisecond";
              description
                "Delay timer running time msecs";
            }

            leaf authentication-flag {
              type boolean;
              description
                "Text authentication configured flag";
            }

            leaf force-timer-flag {
              type boolean;
              description
                "Configured timers forced flag";
            }

            leaf preempt-flag {
              type boolean;
              description
                "Preempt configured flag";
            }

            leaf ip-address-owner-flag {
              type boolean;
              description
                "IP address owner flag";
            }

            leaf is-accept-mode {
              type boolean;
              description "Is accept mode";
            }

            leaf preempt-delay-time {
              type uint16;
              description
                "Preempt delay time";
            }

            leaf configured-priority {
              type uint8;
              description
                "Configured priority";
            }

            leaf operational-priority {
              type uint8;
              description
                "Operational priority";
            }

            leaf priority-decrement {
              type uint32;
              description
                "Priority decrement";
            }

            leaf tracked-interface-count {
              type uint32;
              description
                "Number of items tracked";
            }

            leaf tracked-interface-up-count {
              type uint32;
              description
                "Number of tracked items up";
            }

            leaf tracked-item-count {
              type uint32;
              description
                "Number of tracked items";
            }

            leaf tracked-item-up-count {
              type uint32;
              description
                "Number of tracked items in UP state";
            }

            leaf time-in-current-state {
              type uint32;
              units "second";
              description
                "Time in current state secs";
            }

            leaf state-change-count {
              type uint32;
              description
                "Number of state changes";
            }

            leaf time-vrouter-up {
              type uint32;
              units "centisecond";
              description
                "Time vrouter is up in centiseconds";
            }

            leaf master-count {
              type uint32;
              description
                "No. of times become Master";
            }

            leaf adverts-received-count {
              type uint32;
              description
                "No. of advertisements received";
            }

            leaf advert-interval-error-count {
              type uint32;
              description
                "Advertise interval errors";
            }

            leaf adverts-sent-count {
              type uint32;
              description
                "No. of advertisements sent";
            }

            leaf authentication-fail-count {
              type uint32;
              description
                "Authentication failures";
            }

            leaf ttl-error-count {
              type uint32;
              description "TTL errors";
            }

            leaf priority-zero-received-count {
              type uint32;
              description
                "No. priority 0 received";
            }

            leaf priority-zero-sent-count {
              type uint32;
              description
                "No. priority 0 sent";
            }

            leaf invalid-packet-count {
              type uint32;
              description
                "Invalid packets received";
            }

            leaf address-list-error-count {
              type uint32;
              description
                "Address list errors";
            }

            leaf invalid-auth-type-count {
              type uint32;
              description
                "Invalid authentication type";
            }

            leaf auth-type-mismatch-count {
              type uint32;
              description
                "Authentication type mismatches";
            }

            leaf pkt-length-errors-count {
              type uint32;
              description
                "Packet length errors";
            }

            leaf time-stats-discontinuity {
              type uint32;
              description
                "Time since a statistics discontinuity in ticks
(10ns units)";
            }

            leaf bfd-session-state {
              type Vrrp-bfd-session-state;
              description
                "BFD session state";
            }

            leaf bfd-interval {
              type uint32;
              description
                "BFD packet send interval";
            }

            leaf bfd-multiplier {
              type uint32;
              description "BFD multiplier";
            }

            leaf bfd-cfg-remote-ip {
              type inet:ipv4-address;
              description
                "BFD configured remote IP";
            }

            leaf bfd-configured-remote-ipv6-address {
              type inet:ipv6-address;
              description
                "BFD configured remote IPv6";
            }

            leaf state-from-checkpoint {
              type boolean;
              description
                "Whether state recovered from checkpoint";
            }

            leaf interface-ipv4-address {
              type inet:ipv4-address;
              description
                "The Interface Primary IPv4 address";
            }

            leaf interface-ipv6-address {
              type inet:ipv6-address;
              description
                "The Interface linklocal IPv6 address";
            }

            leaf virtual-mac-address {
              type yang:mac-address;
              description
                "Virtual mac address";
            }

            leaf virtual-mac-address-state {
              type Vrrp-vmac-state;
              description
                "Virtual mac address state";
            }

            leaf-list operational-address {
              type inet:ipv4-address;
              description
                "Operational IPv4 VRRP addresses";
            }

            leaf-list ipv4-configured-down-address {
              type inet:ipv4-address;
              description
                "IPv4 Configured but Down VRRP addresses";
            }

            list ipv6-operational-address {
              description
                "IPv6 Operational VRRP addresses";
              leaf ipv6-address {
                type inet:ipv6-address;
                description "IPV6Address";
              }
            }  // list ipv6-operational-address

            list ipv6-configured-down-address {
              description
                "IPv6 Configured but Down VRRP addresses";
              leaf ipv6-address {
                type inet:ipv6-address;
                description "IPV6Address";
              }
            }  // list ipv6-configured-down-address

            list track-item-info {
              description "Track Item Info";
              leaf interface {
                type xr:Interface-name;
                description "IM Interface";
              }

              leaf virtual-router-id-xr {
                type uint32;
                description
                  "Virtual Router ID";
              }

              leaf tracked-item-type {
                type uint16;
                description
                  "Type of tracked item";
              }

              leaf tracked-item-index {
                type string {
                  length "0..32";
                }
                description
                  "Tracked item index";
              }

              leaf state {
                type uint8;
                description
                  "State of the tracked item";
              }

              leaf priority {
                type uint8;
                description
                  "Priority weight of item";
              }
            }  // list track-item-info

            list state-change-history {
              description
                "State change history";
              container time {
                description
                  "Time of state change";
                leaf seconds {
                  type uint32;
                  units "second";
                  description "Seconds";
                }

                leaf nanoseconds {
                  type uint32;
                  units "nanosecond";
                  description "Nanoseconds";
                }
              }  // container time

              leaf old-state {
                type Vrrp-bag-protocol-state;
                description "Old State";
              }

              leaf new-state {
                type Vrrp-bag-protocol-state;
                description "New State";
              }

              leaf reason {
                type Vrrp-state-change-reason;
                description
                  "Reason for state change";
              }
            }  // list state-change-history
          }  // list virtual-router
        }  // container virtual-routers
      }  // container ipv4

      container mgo-sessions {
        description
          "VRRP MGO Session information";
        list mgo-session {
          key "session-name";
          description "A VRRP MGO Session";
          leaf session-name {
            type xr:Cisco-ios-xr-string;
            description
              "The name of the session";
          }

          leaf primary-session-name {
            type string {
              length "0..16";
            }
            description "Session Name";
          }

          leaf primary-session-interface {
            type xr:Interface-name;
            description
              "Interface of primary session";
          }

          leaf primary-af-name {
            type Vrrp-b-af;
            description
              "Address family of primary session";
          }

          leaf primary-session-number {
            type uint32;
            description
              "VRID of primary session";
          }

          leaf primary-session-state {
            type Vrrp-bag-protocol-state;
            description
              "State of primary session";
          }

          list slave {
            description
              "List of slaves following this primary session";
            leaf slave-interface {
              type string {
                length "0..64";
              }
              description
                "Interface of slave";
            }

            leaf slave-virtual-router-id {
              type uint32;
              description "VRID of slave";
            }
          }  // list slave
        }  // list mgo-session
      }  // container mgo-sessions
    }  // container vrrp
  }  // module Cisco-IOS-XR-ipv4-vrrp-oper