Quote Originally Posted by ghostblaze
... if I could connect the modem to one of the nics on knoppix, and have the other two nics connected to the uplink on the routers. ....
If you have a home router, don't try doing it this way, just pick one of the routers and hook it to the cable modem and hook each PC to a port on the router.

If you end up with more than 4 computers, then you need to add a switch or hub to the system Some home cable routers let you disable the DHCP server and NAT routing and just use them as switches, some don't. You would need to look into what configuration options there are for each device. If you can't disable the router in either device you might still be able to use one to create a seperate sub-network with it's own NAT going on, but it would be ugly (although maybe no more ugly than trying to use Knoppix as a router). Best would be to add a switch. But you don't seem to have that many computers that need to be on the network at once yet.