Have my main computer (Win7) computer in basement, along with the cable-modem, Netgear N900/WNDR4500. Both my main computer and an older WinXP computer are CAT6 wired to the N900. So are my DirecTV ...

I installed a copy of IPCop v0.1.0 on an old machine 1GBHD, 28MBRAM, P100, with 2 NIC's (ArchTek, and D-link). I have a WinXP computer connected to the firewall through a 5-port switch. The problem is ...