If I understand you correctly... You have a cable running from eth0 to your cable modem. When eth0 queries for DHCP service, it's going to be over that physical cable. - Jared On Saturday 23 March 2002 09:00 pm, you wrote: > I have a stupid newbie DHCP question. > > I am configuring a firewall for my cable modem. I have two NICs in the > box. eth0 is configured to obtain an IP address through DHCP (from the > cable modem). eth1 is a static IP (10.0.0.3) that services the interior > network. I would like to setup DHCP for a laptop on my internal > network. My question is, what would prevent my firewall box from > grabbing an IP address from my internal DHCP server versus the cable > modem? I was thinking about this because some people were saying how > rogue DHCP servers running on boxes plugged into the network at the last > Installfest were causing problems.