1. Go to the System area of the Xbox Dashboard and select Network Settings.
2. Select Edit Settings.
3. Under Basic Settings, check to make sure the IP Settings is on Automatic.
4. Now go to Additional Settings, select Advanced Settings.
5. At the bottom of this screen you'll see a heading called Wired MAC Address.
Follow these instructions to obtain the PS3 system's MAC address.
1. Select Settings on the PS3 Home Menu.
2. Navigate down and select [System Settings].
3. Select [System Information]. Here you will find your MAC address. Be sure to note down the entire code, including colons.
1. Wii's can only connect via wifi so they should be able to get on without a problem.