For Linksys/Cisco router model WRT54G2 or equivalent:
If you are using a Linksys/Cisco router, connect to the main page by opening your Internet Browser and typing 192.168.1.1 in
the web page address field and pressing the enter key. You should be presented with a screen similar to the one below:
Look in your Linksys/Cisco router documentation and type in the username and password information. Once input, select OK
and you will be presented with the screen below: