Only certain routers can do what your asking:- http://www.unofficialguidetolive.co.uk/faqs/63-two-x...
What firmware is the Netgear using?
Hi, the OP states only one Xbox is used at anytime.
ie, (Only me using them so one on at anytime only)
I would save in Favorites the IP Address for each Xbox, then just click on the one required.
Xbox 360 IP Address 192.168.1.20 Number1
Xbox 360 IP address 192.168.1.30 Number2
Can create a shortcut on the desktop for each Xbox.
WBC 20 Meg. Sync 11864 kbps Downstream, 1189 kbps Upstream.
ADSL2+ wireless N 150 Router supplied by Orange
BT Business Hub 2Wire 2700HGV
v2 ADSL2+ Dual SSID wireless Router