I have a cable modem from that I go to a fortanet 4 port router configured with a vpn. I have a PC and my WRTP54G plugged into it. My question is how can i set up the WRTP54G to be a access point ot my existing router without turning on DHCP on the linksys? Firmware Version: 1.00.60 I have a option for DHCP Relay but I don't think that this is working like I thik that it should.