module Cisco-IOS-XR-um-router-vrrp-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-um-router-vrrp-cfg";

    prefix um-router-vrrp-cfg;

    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import ietf-inet-types {
      prefix inet;
    }
    import Cisco-IOS-XR-um-snmp-server-cfg {
      prefix a1;
    }
    import cisco-semver {
      prefix semver;
    }

    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 router-vrrp package configuration.
     
     This YANG module augments the
     modules with configuration data.
     
     Copyright (c) 2020-2021 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-12-11" {
      description "Initial release";
    }

    semver:module-version "1.0.0";

    augment /a1:snmp-server/a1:traps {
      container vrrp {
        description "Enable VRRP traps";
        container events {
          presence
            "Indicates a events node is configured.";
          description
            "Enable all VRRP event traps";
        }  // container events
      }  // container vrrp
    }

    container router {
      description "Enable a routing process";
      container vrrp {
        presence
          "Indicates a vrrp node is configured.";
        description
          "VRRP configuration subcommands";
        container interfaces {
          description
            "VRRP interface configuration subcommands";
          list interface {
            key "interface-name";
            description
              "VRRP interface configuration subcommands";
            leaf interface-name {
              type xr:Interface-name;
              description
                "VRRP interface configuration subcommands";
            }

            container address-family {
              description
                "VRRP address family";
              container ipv4 {
                description
                  "IPv4 address family";
                container vrrps {
                  description
                    "VRRP configuration";
                  list vrrp {
                    key "vrrp-id version";
                    description
                      "VRRP configuration";
                    leaf vrrp-id {
                      type uint32 {
                        range "1..255";
                      }
                      description
                        "VRRP configuration";
                    }

                    leaf version {
                      type uint32 {
                        range "2..3";
                      }
                      description
                        "VRRP version";
                    }

                    leaf address {
                      type inet:ipv4-address-no-zone;
                      description
                        "Enable VRRP and specify IP address(es)";
                    }

                    container secondary-addresses {
                      description
                        "VRRP IPv4 address";
                      list secondary-address {
                        key "address";
                        description
                          "VRRP IPv4 address";
                        leaf address {
                          type inet:ipv4-address-no-zone;
                          description
                            "VRRP IPv4 address";
                        }
                      }  // list secondary-address
                    }  // container secondary-addresses

                    leaf priority {
                      type uint32 {
                        range "1..254";
                      }
                      description
                        "Set priority level";
                    }

                    container timer {
                      description
                        "Set advertisement timer";
                      leaf advertisement-time-in-seconds {
                        type uint32 {
                          range "1..255";
                        }
                        must
                          "not(../advertisement-time-in-milliseconds)";
                        description
                          "Advertisement time in seconds";
                      }

                      leaf advertisement-time-in-milliseconds {
                        type uint32 {
                          range "100..40950";
                        }
                        must
                          "../force and not(../advertisement-time-in-seconds)";
                        description
                          "Configure in milliseconds";
                      }

                      container force {
                        presence
                          "Indicates a force node is configured.";
                        description
                          "Force the configured values to be used";
                      }  // container force
                    }  // container timer

                    container preempt {
                      description
                        "Preempt Primary router if higher priority";
                      container disable {
                        must "not(../delay)";
                        presence
                          "Indicates a disable node is configured.";
                        description
                          "Disable preemption";
                      }  // container disable

                      leaf delay {
                        type uint32 {
                          range "1..3600";
                        }
                        must
                          "not(../disable)";
                        description
                          "Wait before preempting";
                      }
                    }  // container preempt

                    container accept-mode {
                      description
                        "Accept mode status for this IP";
                      container disable {
                        presence
                          "Indicates a disable node is configured.";
                        description
                          "Disable accept mode";
                      }  // container disable
                    }  // container accept-mode

                    container track {
                      description
                        "Track an item, reducing priority if it goes down";
                      container interfaces {
                        description
                          "Track an interface";
                        list interface {
                          key "interface-name";
                          description
                            "Track an interface";
                          leaf interface-name {
                            type xr:Interface-name;
                            description
                              "Track an interface";
                          }

                          leaf priority-decrement {
                            type uint32 {
                              range "1..254";
                            }
                            description
                              "Priority decrement";
                          }
                        }  // list interface
                      }  // container interfaces

                      container objects {
                        description
                          "Object Tracking";
                        list object {
                          key "object-name";
                          description
                            "Object Tracking";
                          leaf object-name {
                            type xr:Cisco-ios-xr-string {
                              length
                                "1..800";
                            }
                            description
                              "Object to be tracked";
                          }

                          leaf priority-decrement {
                            type uint32 {
                              range "1..254";
                            }
                            mandatory true;
                            description
                              "Priority decrement";
                          }
                        }  // list object
                      }  // container objects
                    }  // container track

                    container bfd {
                      description
                        "Configure BFD parameters";
                      container fast-detect {
                        description
                          "Enable Fast detection";
                        container peer {
                          description
                            "Information about VRRP peer for BFD monitoring";
                          leaf ipv4 {
                            type inet:ipv4-address-no-zone;
                            description
                              "BFD peer interface IPv4 address";
                          }
                        }  // container peer
                      }  // container fast-detect
                    }  // container bfd

                    leaf name {
                      type xr:Cisco-ios-xr-string {
                        length "1..800";
                      }
                      description
                        "Configure VRRP Session name";
                    }

                    leaf text-authentication {
                      type xr:Cisco-ios-xr-string {
                        length "1..8";
                      }
                      description
                        "Set plain text authentication string";
                    }
                  }  // list vrrp
                }  // container vrrps

                container vrrp-subordinates {
                  description
                    "VRRP configuration";
                  list vrrp-subordinate {
                    key "vrrp-id";
                    description
                      "VRRP configuration";
                    leaf vrrp-id {
                      type uint32 {
                        range "1..255";
                      }
                      description
                        "VRRP configuration";
                    }

                    leaf address {
                      type inet:ipv4-address-no-zone;
                      description
                        "Specify Virtual IP address(es)";
                    }

                    container secondary-addresses {
                      description
                        "VRRP IPv4 address";
                      list secondary-address {
                        key "address";
                        description
                          "VRRP IPv4 address";
                        leaf address {
                          type inet:ipv4-address-no-zone;
                          description
                            "VRRP IPv4 address";
                        }
                      }  // list secondary-address
                    }  // container secondary-addresses

                    container accept-mode {
                      description
                        "Accept mode status for this IP";
                      container disable {
                        presence
                          "Indicates a disable node is configured.";
                        description
                          "Disable accept mode";
                      }  // container disable
                    }  // container accept-mode

                    leaf follow {
                      type xr:Cisco-ios-xr-string {
                        length "1..800";
                      }
                      description
                        "Follow specified MGO session";
                    }
                  }  // list vrrp-subordinate
                }  // container vrrp-subordinates
              }  // container ipv4

              container ipv6 {
                description
                  "IPv6 address family";
                container vrrps {
                  description
                    "VRRP configuration";
                  list vrrp {
                    key "vrrp-id";
                    description
                      "VRRP configuration";
                    leaf vrrp-id {
                      type uint32 {
                        range "1..255";
                      }
                      description
                        "VRRP configuration";
                    }

                    container address {
                      description
                        "Enable VRRP and specify IP address(es)";
                      container global {
                        description
                          "Global VRRP IPv6 address";
                        list global-address {
                          key "address";
                          leaf address {
                            type inet:ipv6-address-no-zone;
                            description
                              "Set Global VRRP IPv6 address";
                          }
                        }  // list global-address
                      }  // container global

                      container lonklocal {
                        description
                          "VRRP IPv6 linklocal address";
                        leaf linklocal-address {
                          type inet:ipv6-address-no-zone;
                          must
                            "not(../autoconfig)";
                          description
                            "VRRP IPv6 linklocal address";
                        }

                        container autoconfig {
                          must
                            "not(../linklocal-address)";
                          presence
                            "Indicates a autoconfig node is configured.";
                          description
                            "Autoconfigure the VRRP IPv6 linklocal address";
                        }  // container autoconfig
                      }  // container lonklocal
                    }  // container address

                    leaf priority {
                      type uint32 {
                        range "1..254";
                      }
                      description
                        "Set priority level";
                    }

                    container timer {
                      description
                        "Set advertisement timer";
                      leaf advertisement-time-in-seconds {
                        type uint32 {
                          range "1..255";
                        }
                        must
                          "not(../advertisement-time-in-milliseconds)";
                        description
                          "Advertisement time in seconds";
                      }

                      leaf advertisement-time-in-milliseconds {
                        type uint32 {
                          range "100..40950";
                        }
                        must
                          "../force and not(../advertisement-time-in-seconds)";
                        description
                          "Configure in milliseconds";
                      }

                      container force {
                        presence
                          "Indicates a force node is configured.";
                        description
                          "Force the configured values to be used";
                      }  // container force
                    }  // container timer

                    container preempt {
                      description
                        "Preempt Primary router if higher priority";
                      container disable {
                        must "not(../delay)";
                        presence
                          "Indicates a disable node is configured.";
                        description
                          "Disable preemption";
                      }  // container disable

                      leaf delay {
                        type uint32 {
                          range "1..3600";
                        }
                        must
                          "not(../disable)";
                        description
                          "Wait before preempting";
                      }
                    }  // container preempt

                    container accept-mode {
                      description
                        "Accept mode status for this IP";
                      container disable {
                        presence
                          "Indicates a disable node is configured.";
                        description
                          "Disable accept mode";
                      }  // container disable
                    }  // container accept-mode

                    container track {
                      description
                        "Track an item, reducing priority if it goes down";
                      container interfaces {
                        description
                          "Track an interface";
                        list interface {
                          key "interface-name";
                          description
                            "Track an interface";
                          leaf interface-name {
                            type xr:Interface-name;
                            description
                              "Track an interface";
                          }

                          leaf priority-decrement {
                            type uint32 {
                              range "1..254";
                            }
                            description
                              "Priority decrement";
                          }
                        }  // list interface
                      }  // container interfaces

                      container objects {
                        description
                          "Object Tracking";
                        list object {
                          key "object-name";
                          description
                            "Object Tracking";
                          leaf object-name {
                            type xr:Cisco-ios-xr-string {
                              length
                                "1..800";
                            }
                            description
                              "Object to be tracked";
                          }

                          leaf priority-decrement {
                            type uint32 {
                              range "1..254";
                            }
                            mandatory true;
                            description
                              "Priority decrement";
                          }
                        }  // list object
                      }  // container objects
                    }  // container track

                    container bfd {
                      description
                        "Configure BFD parameters";
                      container fast-detect {
                        description
                          "Enable Fast detection";
                        container peer {
                          description
                            "Information about VRRP peer for BFD monitoring";
                          leaf ipv6 {
                            type inet:ipv6-address-no-zone;
                            description
                              "VRRP BFD remote interface IP address";
                          }
                        }  // container peer
                      }  // container fast-detect
                    }  // container bfd

                    leaf name {
                      type xr:Cisco-ios-xr-string {
                        length "1..800";
                      }
                      description
                        "Configure VRRP Session name";
                    }
                  }  // list vrrp
                }  // container vrrps

                container vrrp-subordinates {
                  description
                    "VRRP configuration";
                  list vrrp-subordinate {
                    key "vrrp-id";
                    description
                      "VRRP configuration";
                    leaf vrrp-id {
                      type uint32 {
                        range "1..255";
                      }
                      description
                        "VRRP configuration";
                    }

                    container address {
                      description
                        "Enable VRRP and specify IP address(es)";
                      container global {
                        description
                          "Global VRRP IPv6 address";
                        list global-address {
                          key "address";
                          leaf address {
                            type inet:ipv6-address-no-zone;
                            description
                              "Set Global VRRP IPv6 address";
                          }
                        }  // list global-address
                      }  // container global

                      container lonklocal {
                        description
                          "VRRP IPv6 linklocal address";
                        leaf linklocal-address {
                          type inet:ipv6-address-no-zone;
                          must
                            "not(../autoconfig)";
                          description
                            "VRRP IPv6 linklocal address";
                        }

                        container autoconfig {
                          must
                            "not(../linklocal-address)";
                          presence
                            "Indicates a autoconfig node is configured.";
                          description
                            "Autoconfigure the VRRP IPv6 linklocal address";
                        }  // container autoconfig
                      }  // container lonklocal
                    }  // container address

                    container accept-mode {
                      description
                        "Accept mode status for this IP";
                      container disable {
                        presence
                          "Indicates a disable node is configured.";
                        description
                          "Disable accept mode";
                      }  // container disable
                    }  // container accept-mode

                    leaf follow {
                      type xr:Cisco-ios-xr-string {
                        length "1..800";
                      }
                      description
                        "Follow specified MGO session";
                    }
                  }  // list vrrp-subordinate
                }  // container vrrp-subordinates
              }  // container ipv6
            }  // container address-family

            container delay {
              description
                "Set activation delay for vrrp";
              leaf minimum {
                type uint32 {
                  range "0..10000";
                }
                must "../reload";
                description
                  "Set minimum delay on every interface up event";
              }

              leaf reload {
                type uint32 {
                  range "0..10000";
                }
                must "../minimum";
                description
                  "Set reload delay for first interface up event";
              }
            }  // container delay

            container bfd {
              description
                "Configure BFD parameters";
              leaf minimum-interval {
                type uint32 {
                  range "3..30000";
                }
                description "Hello interval";
              }

              leaf multiplier {
                type uint32 {
                  range "2..50";
                }
                description
                  "Detect multiplier";
              }
            }  // container bfd

            leaf mac-refresh {
              type uint32 {
                range "0..10000";
              }
              description
                "Set the Subordinate MAC-refresh rate for this interface";
            }
          }  // list interface
        }  // container interfaces

        container message {
          description "VRRP IOS messages";
          container state {
            description
              "VRRP state change messages";
            container disable {
              presence
                "Indicates a disable node is configured.";
              description "Disable";
            }  // container disable
          }  // container state
        }  // container message
      }  // container vrrp
    }  // container router
  }  // module Cisco-IOS-XR-um-router-vrrp-cfg