,------------.                                                       
                                                       |<$router>   |                                                       
                                                       |------------|                                                       
                                                       |            |                                                       
                                                       `------------'                                                       
                                                                                                                            
                                                                                                                            
                                     ,----------------.              ,----------------.                                     
                                     |<$layer3_switch>|              |<$layer3_switch>|                                     
                                     |----------------|              |----------------|                                     
                                     |                |              |                |                                     
                                     `----------------'              `----------------'                                     
                                              |                               |                                             
,---------------------------.  ,---------------------------.   ,---------------------------.   ,---------------------------.
|<$computer_monitor_outline>|  |<$computer_monitor_outline>|   |<$computer_monitor_outline>|   |<$computer_monitor_outline>|
|---------------------------|  |---------------------------|   |---------------------------|   |---------------------------|
|                           |  |                           |   |                           |   |                           |
`---------------------------'  `---------------------------'   `---------------------------'   `---------------------------'