|From the linksys site (www.linksys.com/kb):|
Pressing the Reset button on the the router for 30 seconds will reset your router to its factory default settings. Any settings on the router will be erased and the router’s IP address will become “192.168.1.1,” the username is still blank, and the password will be “admin.”
To perform a hardware reset on your Linksys router follow the steps below.
Resetting the Router Using the Reset Button
Take note of the current settings of the device before resetting.
Press the Reset button of the router for 30 seconds.