you got a router?
i don't think uPnP will get you a ping or something, just let people play it (not sure, but i didn't have a ping using uPnP and it worked for others to join)
Yes. D-Link.
and you tried port forwarding too....i dont think there IS another way... :s
[list][li]Windows 7 Ultimate[/li][li]Rating: 2.4[/li][li]Processor: Intel(R) Core (TM) Duo CPU[/li][li]RAM: 2.5[/li][li]32-bit Operating System[/li] [/list]
You only need to use IP v4. IP v6 is supposedly the next generation of the internet, but it's not gonna get off the ground for a while.