is there anyone who knows how to Fix a Linksys WRT54GS Wireless router Westell 6100 Modem/Router combination ?
You can fix Linksys WRT54GS Wireless router Westell 6100 Modem/Router combination, there is a pre-existing DHCP server in one of the routers, what you have to do is to disable the DHCP server in the second router. You can follow the steps from Linksys to make this work assuming this will be your second router you are adding.