module Cisco-IOS-XR-ipv6-new-dhcpv6d-client-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-ipv6-new-dhcpv6d-client-cfg";

    prefix ipv6-new-dhcpv6d-client-cfg;

    import cisco-semver {
      prefix semver;
    }
    import Cisco-IOS-XR-ifmgr-cfg {
      prefix a1;
    }

    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 ipv6-new-dhcpv6d-client package configuration.
     
     This YANG module augments the
       Cisco-IOS-XR-ifmgr-cfg
     module with configuration data.
     
     Copyright (c) 2013-2020 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-09-17" {
      description
        "Added prefix-len option for dhcpv6 client";
    }

    revision "2020-02-18" {
      description
        "Modified DHCPv6 client timers range.";
    }

    revision "2019-11-16" {
      description
        "Added Support for DHCPv6 Client.";
    }

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

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

    semver:module-version "1.1.0";
    semver:module-version "1.0.0";

    typedef Duid {
      type enumeration {
        enum "duid-ll" {
          value 3;
          description "Link Local Address";
        }
      }
      description "Duid";
    }

    augment /a1:interface-configurations/a1:interface-configuration {
      description
        "This augment extends the configuration data of
       'Cisco-IOS-XR-ifmgr-cfg'";
      container ipv6-dhcp-client-options {
        description
          "Interface IPv6 dhcp-address-client-options
         configuration";
        container options {
          description "DHCPv6 Options";
          leaf dns-option {
            type string;
            description
              "Domain Name Server Option";
          }

          leaf user-class-id-option {
            type string;
            description
              "User Class ID String";
          }

          leaf vendor-id-option {
            type string;
            description
              "Vendor ID Option String";
          }

          leaf domain-list-option {
            type string;
            description "Domain List Option";
          }
        }  // container options

        container duidses {
          description "DUID Types";
          leaf-list duids {
            type Duid;
            max-elements 1;
            description "DUID Type";
          }
        }  // container duidses

        container timers {
          description "DHCPv6 Client Timers";
          leaf req-time-out {
            type uint32 {
              range "1..4";
            }
            description
              "Initial request timeout";
          }

          leaf release-time-out {
            type uint32 {
              range "1..3";
            }
            description
              "Initial release timeout value";
          }

          leaf sol-max-rt {
            type uint32 {
              range "10..3600";
            }
            description
              "Maximum solicit retransmission value";
          }

          leaf req-max-rt {
            type uint32 {
              range "10..30";
            }
            description
              "Maximum request timeout value";
          }

          leaf sol-time-out {
            type uint32 {
              range "1..4";
            }
            description
              "Initial solicit timeout";
          }

          leaf sol-max-delay {
            type uint32 {
              range "1..4";
            }
            description
              "Max delay of first solicit";
          }
        }  // container timers

        leaf enable {
          type empty;
          description "Enabled";
        }

        leaf rapid-commit {
          type string;
          description "Rapid-Commit";
        }

        leaf prefix-length {
          type uint32 {
            range "64..127";
          }
          description "Prefix Length";
        }
      }  // container ipv6-dhcp-client-options
    }
  }  // module Cisco-IOS-XR-ipv6-new-dhcpv6d-client-cfg