
2 Network Planning
Application Examples
The 
Collapsed Backbone
The 
In the figure below, the 26-port  Gigabit Ethernet Switch is operating as a collapsed backbone for a small LAN. It is providing dedicated 10 Mbps full-duplex  connections to workstations and 100 Mbps full-duplex  connections to power users, and 1 Gbps full-duplex  connections to servers. In addition, connected IP phones and wireless access points are receiving PoE power from the switch.
| ... | ... | 
| 
 | |
| Servers | Workstations | 
| 1 Gbps | 100 Mbps | 
| Full Duplex | Full Duplex | 









 ...
 ... 









Workstations
10Mbps Full Duplex