module IPV6-TC {

    yang-version 1;

    namespace
      "http://tail-f.com/ns/mibs/IPV6-TC/199812010000Z";

    prefix IPV6_TC;

    import ietf-inet-types {
      prefix inet;
    }
    import tailf-common {
      prefix tailf;
    }

    revision "1998-12-01" {
      description "";
    }

    tailf:id "";
    tailf:snmp-mib-module-name "IPV6-TC";

    typedef Ipv6Address {
      type inet:ipv6-address;
    }

    typedef Ipv6AddressPrefix {
      type inet:ipv6-prefix;
    }

    typedef Ipv6AddressIfIdentifier {
      type string {
        pattern
          "(((([0-9A-Fa-f]{2}):){0,7}([0-9A-Fa-f]{2}))){0,1}";
      }
    }

    typedef Ipv6IfIndex {
      type int32 {
        range "1 .. 2147483647";
      }
    }

    typedef Ipv6IfIndexOrZero {
      type int32 {
        range "0 .. 2147483647";
      }
    }
  }  // module IPV6-TC