module Cisco-IOS-XR-um-if-arp-cfg {

    yang-version 1;

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

    prefix um-if-arp-cfg;

    import cisco-semver {
      prefix semver;
    }
    import Cisco-IOS-XR-um-interface-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 if arp package configuration.
     
     This YANG module augments the
     modules with configuration data.
     
     Copyright (c) 2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-10-10" {
      description "Initial version";
    }

    semver:module-version "1.0.0";

    feature drop-adjacency {
      description
        "Set ARP drop adjacency timeout";
    }

    grouping IF-ARP {
      container arp {
        description
          "Configure Address Resolution Protocol";
        leaf timeout {
          type uint32 {
            range "30..2144448000";
          }
          description
            "Set ARP cache timeout";
        }

        leaf purge-delay {
          type uint32 {
            range "1..65535";
          }
          description
            "Delay purging ARP entries when the interface goes down";
        }

        container learning {
          description
            "Configuration for dynamic learning of ARP entries";
          container disable {
            presence
              "Indicates a disable node is configured.";
            description
              "Disable dynamic learning of ARP entries";
          }  // container disable

          container local {
            presence
              "Indicates a local node is configured.";
            description
              "Enable dynamic learning only for local subnet only";
          }  // container local

          container solicited {
            presence
              "Indicates a solicited node is configured.";
            description
              "Enable dynamic learning only for solicited ARP packets";
          }  // container solicited
        }  // container learning

        container gratuitous {
          description
            "Configure the handling of Gratuitous ARP packets";
          container ignore {
            presence
              "Indicates a ignore node is configured.";
            description
              "Ignore the receipt of Gratuitous ARP packets";
          }  // container ignore
        }  // container gratuitous

        container drop-adjacency {
          if-feature drop-adjacency;
          description
            "Set ARP drop adjacency timeout";
          leaf timeout {
            type uint32 {
              range "900..7200";
            }
            default "3600";
            description "Specify timeout";
          }
        }  // container drop-adjacency
      }  // container arp

      container proxy-arp {
        presence
          "Indicates a proxy-arp node is configured.";
        description "Enable proxy ARP";
      }  // container proxy-arp

      container local-proxy-arp {
        presence
          "Indicates a local-proxy-arp node is configured.";
        description "Enable local proxy ARP";
      }  // container local-proxy-arp
    }  // grouping IF-ARP

    augment /a1:interfaces/a1:interface {
      uses IF-ARP;
    }

    augment /a1:interfaces/a1:interface-preconfigure {
      uses IF-ARP;
    }
  }  // module Cisco-IOS-XR-um-if-arp-cfg