====== IS-IS ======

Each is-is router is uniquely identified with a NET ISO address. Example format:

  * //49.0001.0102.5210.8024.00//
    * ''49'' - AFI
    * ''0001'' - Area
    * ''0102.5210.8024'' - System ID
    * ''00'' - NSEL - network selector. 00 for IP