Say I have two PS3 consoles running Modern Warfare 2 trendy game of the moment. My friend and I are at my house on the same LAN connected to the internet. How does the router know if an incoming ...

I did enable uPNP, I entered the ports 80-81, 433, 3074-3075, 5223, 3478-3479, 3658, 5730 to my virtual port and my lan ports, using TCP/UDP option, I found my primary IP: 192.168.1.1 and my ...