Quote Originally Posted by abugarcias
I can ping the other computer and the router itself, but can't touch anything outside of the router (i.e. the internet or ping any sites, etc...) However, when I plug the knoppix system directly into the calbe modem I get internet.

I have racked my brain trying to come up with an explanation and can't....any thoughts or suggestions? It is a netgear wireless router with 4 wired ports 2 of which are being used (one for knoppix system and the other for the computer) and it's DHCP.
There are occasional reports of routers not DHCP handshaking with Knoppix/Linux properly, even when they work with Windows. I had a Belkin that had issues. My Netgear works fine with Knoppix though.

Assuming that you are going in on the wired side, not the wireless, which is it's own can of worms, I think the most likely issue and the one we have seen most is a DNS problem. If you can ping 72.36.188.40 but cannot ping knoppix.net then you have a DNS issue (you could try doing a netcardconfig and manually setting the DNS server). In many cases people have reported that something as simple as cycling power on the router helped, in some others a router reset did the trick. Also it may help if you make sure that your windows system releases it's lease to the DHCP server before shutting down (granted, this should not be needed, but there are cases where it has been known to resolve the issue). And you might wish to look and see if there is a firemare update available for your router and if so flash it to the current software level.