Aussie General.
No, we didn't bridge.
Start Menu >
Run >
Type 'cmd' >
Type 'ipconfig' or 'ipconfig /all' >
Where it says "Default Gateway", type that into the Address Bar of your Internet Browser.
This will get you to your Router Config. You then need to forward your ports and/or put your Xbox into a DMZ.
That or search for the "Opening NAT for Dummies" thread.