module cisco-xe-openconfig-if-ip-deviation {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/cisco-xe-openconfig-if-ip-deviation";

    prefix oc-ifip-devs;

    import openconfig-interfaces {
      prefix oc-if;
    }
    import openconfig-if-ip {
      prefix oc-ip;
    }
    import openconfig-vlan {
      prefix oc-vlan;
    }

    organization "Cisco Systems, Inc.";

    contact
      " Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

     E-mail: cs-yang@cisco.com";

    description
      "This module defines deviation statements for openconfig-if-ip module.";

    revision "2017-03-04" {
      description
        "Remove ipv6 default enabled not compatibile with switches";
      reference
        "RFC 6020: YANG - A Data Modeling Language for the
        Network Configuration Protocol (NETCONF)";

    }

    deviation /oc-if:interfaces/oc-if:interface/oc-vlan:routed-vlan/oc-ip:ipv6/oc-ip:config/oc-ip:enabled {
      description
        "Enabling ipv6 by default incompatible with switchport interfaces";
      deviate delete {
        default "true";
      }
    }
    deviation /oc-if:interfaces/oc-if:interface/oc-vlan:routed-vlan/oc-ip:ipv6/oc-ip:neighbors/oc-ip:neighbor/oc-ip:config/oc-ip:link-layer-address {
      description
        "The link-layer v6 address of the neighbor node for routed-vlan.";
      deviate replace {
        type string {
          pattern
            '([0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*)?';
        }
        mandatory true;
      }
    }
    deviation /oc-if:interfaces/oc-if:interface/oc-vlan:routed-vlan/oc-ip:ipv4/oc-ip:neighbors/oc-ip:neighbor/oc-ip:config/oc-ip:link-layer-address {
      description
        "The link-layer v4 address of the neighbor node for routed-vlan.";
      deviate replace {
        type string {
          pattern
            '([0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*)?';
        }
        mandatory true;
      }
    }
    deviation /oc-if:interfaces/oc-if:interface/oc-if:subinterfaces/oc-if:subinterface/oc-ip:ipv4/oc-ip:neighbors/oc-ip:neighbor/oc-ip:config/oc-ip:link-layer-address {
      description
        "The link-layer v4 address of the neighbor node.";
      deviate replace {
        type string {
          pattern
            '([0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*)?';
        }
        mandatory true;
      }
    }
    deviation /oc-if:interfaces/oc-if:interface/oc-if:subinterfaces/oc-if:subinterface/oc-ip:ipv6/oc-ip:neighbors/oc-ip:neighbor/oc-ip:config/oc-ip:link-layer-address {
      description
        "The link-layer v6 address of the neighbor node.";
      deviate replace {
        type string {
          pattern
            '([0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*)?';
        }
        mandatory true;
      }
    }
  }  // module cisco-xe-openconfig-if-ip-deviation