WRT400N WAN port doesn't work.

Nothing that I connect to the WAN port seems to get the internet LED to illuminate. I have a DHCP access to a Motorola CPEi 150 which works great if I connect to it directly with a netbook or if I use a dlink WRB-2310 router but it doesn't ever seem to register with the WRT400N WAN port. I've even tried connecting the WAN port to the dlink and still no LED or address from the DHCP server. It's a recently bought this Linksys-refurbished router and I think it will cost more to send it back that it cost to get. Is there an easy way to determine if the WAN port works at all without constantly disconnecting the internet in my house as family members are getting a bit upset with me.

I tried connecting a LAN port to the WAN port and it worked. I then connected the WAN port to the LAN port of a DLink router in series and I could communicate with the internet. I then connected it directly to the Motorola CPEi 150 and the port showed nothing. I then tried to repeat my steps and could not get any responce on the WAN port even with rebooting the router and reverting to factory defaults. The WAN port appears to have intermitten problems. I will attempt to troubleshoot some more but I may have to give up.

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WRT400N WAN port doesn't work.

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