+------------------------------+                                                 
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+--------------------+      |    +---------------------+   |     +-------------+                             
|                    |      |    |                     |   |     |             |                             
|      Switch 2      |      |    |       Switch 1      |   |     | Sophos UTM  |                             
| 1                  |      |    | 1                8  |   |     |             |                             
+-+------------------+      |    +-+----------------+--+   |     |  In     Out |                             
  |                         |      |                |      |     +---+------+--+                             
  |                         |      |                +------+         |      |                                
  +-------------------------+      |                                 |      |                                
                                   +---------------------------------+      +----------------->   CABLE MODEM