A company use a router connected to internet. A Dlink2366 as the central switch.
The network topology diagram:
In this issue, we only need to do port mirroring in the Dlink2366 to do monitoring.
Dlink 2366 port mirror configuration:
As in the diagram above, port 16 is connected with the router and port 1 is connected to the computer with WFilter installed on.
By now, you can monitor all the wireless computers.