DHCP is the protocol used to obtain an IP address on Cox's network.  If you
swapped out the NICs in this box, or a different one used to be connected then
try power-cycling the modem to get it to forget the MAC address of the last NIC.

> > I am having a problem with suse 8 setting up an ethernet card to run through a Cox cable modem. Is there any common item I am overlooking in setup?
> 
> Thanks,  Chuck