Was having sudden trouble with this router. It was rebooting constantly.

I couldn't even connect on the wired interface. Even with everything else turned off, the wan disconnected, and power cycled.

So, I held the reset while plugging in to get it to restore to factory settings, went through and set everything back and it just started doing the same reboot-a-thon again. Fail!

Upgraded firmware to 1.05, no help.

Googled. Turned off gaming mode, PnP. Still no go.

But, once I turned off IPsec, it started working.

I have no idea why this would work.

I used to own a Linksys WRT54G (v2) but it bit the dust after not a long time of faithful service. I decided to try D-Link. I wouldn't say it was a mistake, given the available options, but I think my next router will be a WRT54GL or Asus WL500G router; something that has third party firmware available for it. Proper routing is complicated enough now to warrant a more transparent platform to work against.