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

    yang-version 1;

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

    prefix um-router-amt-cfg;

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

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

    revision "2019-08-20" {
      description "Initial release";
    }

    semver:module-version "1.0.0";

    container router {
      description "Enable a routing process";
      container amt {
        presence
          "Indicates a amt node is configured.";
        description
          "Automatic Multicast Tunneling (AMT)";
        container relay {
          presence
            "Indicates a relay node is configured.";
          description "AMT Relay Submode";
          container ipv4 {
            presence
              "Indicates a ipv4 node is configured.";
            description
              "AMT Relay IPv4 Tunnel Submode";
            container anycast-prefix {
              description
                "AMT Relay IPv4 Anycast-Prefix";
              leaf prefix-address {
                type inet:ipv4-address-no-zone;
                description
                  "anycast prefix address";
              }

              leaf prefix-length {
                type uint32 {
                  range "0..32";
                }
                description
                  "Prefix mask for anycast prefix";
              }
            }  // container anycast-prefix

            container advertisement-address {
              presence
                "Indicates a advertisement-address node is configured.";
              description
                "AMT Relay IPv4 Advertisement Address";
              leaf relay-address {
                type inet:ipv4-address-no-zone;
                mandatory true;
                description
                  "AMT Relay IPv4 Advertisement Address";
              }

              leaf interface {
                type xr:Interface-name;
                mandatory true;
                description
                  "Source Interface";
              }
            }  // container advertisement-address

            leaf gateway-filter {
              type xr:Cisco-ios-xr-string {
                length "1..1024";
              }
              description
                "AMT Gateway Filter ACL";
            }

            leaf mtu {
              type uint32 {
                range "100..65535";
              }
              description
                "AMT Relay MTU configuration";
            }

            leaf tos {
              type uint32 {
                range "1..255";
              }
              description
                "AMT Relay TOS configuration";
            }

            leaf ttl {
              type uint32 {
                range "1..255";
              }
              description
                "AMT Relay TTL configuration";
            }

            leaf qqic {
              type uint32 {
                range "0..4294967295";
              }
              description
                "AMT Relay QQIC configuration";
            }

            container maximum {
              description "Maximum limits";
              leaf gateway {
                type uint32 {
                  range "0..4294967295";
                }
                description
                  "Maximum number of Gateways";
              }

              container route-gateway {
                description
                  "Maximum number of route-gateways (Tunnels)";
                leaf ipv4 {
                  type uint32 {
                    range "0..4294967295";
                  }
                  description
                    "Maximum number of IPv4 route-gateways (Tunnels)";
                }

                leaf ipv6 {
                  type uint32 {
                    range "0..4294967295";
                  }
                  description
                    "Maximum number of IPv6 route-gateways (Tunnels)";
                }
              }  // container route-gateway
            }  // container maximum
          }  // container ipv4
        }  // container relay
      }  // container amt
    }  // container router
  }  // module Cisco-IOS-XR-um-router-amt-cfg