AP Extreme Can't Connect to Internet

This just "happened" one day. The connection to the net just dropped after a year of working just fine. All of my wireless devices (AppleTV, TivoHD, PBG4, iPhone, AirportExpress) all connect just fine to the network via the base station, but not to the net.
My G5 tower CAN connect directly to the net via ethernet (that's how I'm on now) and I've restarted everything numerous times, and swapped the e-net cable between the cable modem and the WAN port (both old and new cables work fine).
Kind of makes me wonder if the WAN port on the AP Extreme died (lights up when plugged in)? Or do I just have some corrupted setting or something somewhere?
Any help would be much appreciated.
Message was edited by: musicandlight

Bob Timmons wrote:
+My G5 tower CAN connect directly to the net via ethernet (that's how I'm on now) and I've restarted everything numerous times, and swapped the e-net cable between the cable modem and the WAN port (both old and new cables work fine).+
Does this mean that the G5 is connected to an ethernet port on your AirPort Extreme or does it mean that you have it connected directly to your modem?
If it's connected directly to the modem, can you connect if you use one of the ethernet ports on the AirPort Extreme?
Hi Bob thanks for the reply.
The ethernet cable directly to the modem connects, when connected to the Airport Extreme it does not connect. Although it had been for a long time.
Think I should try a different e-net port going from the G5 to the Airport?

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