Originally Posted by
KoreanAim
I had the same issue in every server with my brother, playing one with wireless and one with wired connection, we used to have HUGE pings to eachother, i realized we were getting NAT issues to eachother so try to portfoward the ports dave just mentiond and the error might be fixed.
EDIT: try in one computer changing the ports of gunz (go to options ingame) and make it 7600-7700 since its not allowed to portfoward the same ports in two computers, try that and let me know