module cisco-xe-openconfig-vlan-ext {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/cisco-xe-openconfig-vlan-ext";

    prefix oc-vlan-ext;

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

    organization "Cisco Systems";

    description "Augmentation for oc-vlan";

    revision "2017-06-14" {
      description
        "Initial Draft to add a new oper only list for default vlans";
    }

  }  // module cisco-xe-openconfig-vlan-ext