The Downstairs router is also wireless, but the signal is terrible. I don't know why, maybe copper wires or something, it's a Belkin N downstairs and a Netgear WNR2000 upstairs. Also we have 2 xbox 360's in the house, but the routers can't seem to handle both being connected to the same one at the same time. The second one to connect will boot the first one and we'd have to reset whichever router it happened to.
I know *how* to portforward, I was just wondering if I'd have to do it for both. I can connect to the second router by the computer that's wired to it downstairs if I have to.