Internet
                               |
                               +------------+
         +--------+-----+      | CeroWrt    |
         |              |      |            +
         + Rangeley     |2.21  |2.1         |
         |              <------+-------+----+
         +-------+------+              |
         128.1  130.1  129.1           |
	 |       |      |         +----v--------+
         |       |      |         |             |
         |       |      |         |  Nuc-1      |
         |       v      v         |  2.20       |
         |                        |             |
         v                        +-------------+
         +-------------+
         |             |
         |  nuc-2      |
         |  128.21     |
         |             |
         +-------------+