module Cisco-IOS-XR-um-if-ip-address-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-um-if-ip-address-cfg";

    prefix um-if-ip-address-cfg;

    import cisco-semver {
      prefix semver;
    }
    import ietf-inet-types {
      prefix inet;
    }
    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import Cisco-IOS-XR-um-interface-cfg {
      prefix a1;
    }
    import tailf-common {
      prefix tailf;
    }

    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 interface package configuration.
     
     This YANG module augments the
     modules with configuration data.
     
     Copyright (c) 2019-2020 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-05-27" {
      description
        "- Included BVI interface under when statement for container dhcp
       - Added container dhcp and dhcp-client-options under ipv6 addresses";
    }

    revision "2019-06-10" {
      description
        "Establish semantic version baseline.";
    }

    revision "2019-03-29" {
      description "Initial version";
    }

    semver:module-version "3.0.0";
    semver:module-version "2.0.0";

    grouping GROUP-IPV4 {
      description
        "Interface IPv4 config commands";
      container addresses {
        description
          "Set the IPv4 address of an interface";
        container address {
          presence
            "Indicates a address node is configured.";
          description "IP address and Mask";
          leaf address {
            type inet:ipv4-address-no-zone;
            mandatory true;
            description "IP address";
          }

          leaf netmask {
            type inet:ipv4-address-no-zone;
            mandatory true;
            description "IP subnet mask";
          }

          leaf route-tag {
            type uint32 {
              range "1..4294967295";
            }
            description
              "Route-tag to be associated with this address";
          }
        }  // container address

        container secondaries {
          description
            "Specify a secondary address";
          list secondary {
            key "address";
            description
              "IP address and Mask";
            leaf address {
              type inet:ipv4-address-no-zone;
              description
                "Secondary IP address";
            }

            leaf netmask {
              type inet:ipv4-address-no-zone;
              mandatory true;
              description "Netmask";
            }

            leaf route-tag {
              type uint32 {
                range "1..4294967295";
              }
              description
                "Route-tag to be associated with this address";
            }
          }  // list secondary
        }  // container secondaries

        leaf unnumbered {
          tailf:dependency "../../../a1:interface-name";
          when
            "../../../a1:interface-name[not(starts-with(text(),'pw-ether'))]";
          type xr:Interface-name;
          description
            "Enable IP processing without an explicit address";
        }

        container dhcp {
          tailf:dependency "../../../a1:interface-name";
          when
            "../../../a1:interface-name[starts-with(text(),'MgmtEth')] or ../../../a1:interface-name[starts-with(text(),'BVI')]";
          presence
            "Indicates a dampening node is configured.";
          description
            "IPv4 address and Mask negotiated via DHCP";
        }  // container dhcp
      }  // container addresses
    }  // grouping GROUP-IPV4

    grouping GROUP-IPV6 {
      container addresses {
        description
          "Set the IPv6 address of an interface";
        list ipv6-address {
          key "address";
          description "IPv6 address";
          leaf address {
            type inet:ip-address-no-zone;
            description
              "IPv6 name or address";
          }

          leaf prefix-length {
            type xr:Ipv6-prefix-length;
            mandatory true;
            description
              "Prefix length in bits";
          }

          leaf zone {
            type union {
              type string {
                pattern "0";
              }
              type string;
            }
            mandatory true;
            description "IPv6 address zone";
          }

          leaf route-tag {
            type uint32 {
              range "1..4294967295";
            }
            description
              "Route-tag to be associated with this address";
          }
        }  // list ipv6-address

        container link-local-address {
          presence
            "Indicates a link-local-address node is configured.";
          description
            "Link local IPv6 address";
          leaf address {
            type inet:ip-address-no-zone;
            mandatory true;
            description "IPv6 address";
          }

          leaf zone {
            type union {
              type string {
                pattern "0";
              }
              type string;
            }
            mandatory true;
            description "IPv6 address zone";
          }

          leaf route-tag {
            type uint32 {
              range "1..4294967295";
            }
            description
              "Route-tag to be associated with this address";
          }
        }  // container link-local-address

        container eui64-addresses {
          description "EUI-64 IPv6 address";
          list eui64-address {
            key "address";
            description
              "EUI-64 IPv6 address";
            leaf address {
              type inet:ip-address-no-zone;
              description "IPv6 address";
            }

            leaf prefix-length {
              type xr:Ipv6-prefix-length;
              mandatory true;
              description "Prefix Length";
            }

            leaf zone {
              type union {
                type string {
                  pattern "0";
                }
                type string;
              }
              mandatory true;
              description
                "IPv6 address zone";
            }

            leaf route-tag {
              type uint32 {
                range "1..4294967295";
              }
              description
                "Route-tag to be associated with this address";
            }
          }  // list eui64-address
        }  // container eui64-addresses

        container autoconfig {
          tailf:dependency "../../../a1:interface-name";
          when
            "../../../a1:interface-name[starts-with(text(),'MgmtEth')]";
          presence
            "Indicates a autoconfig node is configured.";
          description
            "Enable slaac on Mgmt interface";
        }  // container autoconfig

        container dhcp {
          tailf:dependency "../../../a1:interface-name";
          when
            "../../../a1:interface-name[starts-with(text(),'MgmtEth')] or ../../../a1:interface-name[starts-with(text(),'BVI')]";
          presence
            "Indicates a dhcp node is configured.";
          description
            "Enable dhcp on this interface";
        }  // container dhcp

        container dhcp-client-options {
          presence
            "Indicates a dhcp-client-options node is configured.";
          description "DHCP Client Options";
        }  // container dhcp-client-options
      }  // container addresses

      container enable {
        presence
          "Indicates a dampening node is configured.";
        description
          "Enable IPv6 on interface";
      }  // container enable
    }  // grouping GROUP-IPV6

    augment /a1:interfaces/a1:interface/a1:ipv4 {
      uses GROUP-IPV4;
    }

    augment /a1:interfaces/a1:interface-preconfigure/a1:ipv4 {
      uses GROUP-IPV4;
    }

    augment /a1:interfaces/a1:interface/a1:ipv6 {
      uses GROUP-IPV6;
    }

    augment /a1:interfaces/a1:interface-preconfigure/a1:ipv6 {
      uses GROUP-IPV6;
    }
  }  // module Cisco-IOS-XR-um-if-ip-address-cfg