So I've been battling trying to get open NAT on my Xbox since our building switched to Webpass. Because Webpass uses Carrier Grade NAT on their network, putting anything behind my own router (TP-Link ...

I'm trying to play Rallisport Challenge against a friend over ADSL connections.<BR><BR>The thing is, both of us are using routers with NAT, so a simple attempt at connecting to each others IP ...