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The manual instructs me to open a browser & enter an IP address to log in to change the name / password for the modem.  When I do so, I get an error message saying the site can’t be reached.  I’ve tried on 3 different browsers and I get the same error message.  I have the SB8300.

what address are you using? 

Try 192.168.100.1


I was using the one in the manual.  I tried the one you suggested and I get a message saying the page timed out because it took too long to load.  Guess I’m doomed to keep the default modem name & password.  *Sigh*


I would suggest connecting the modem directly to computer through ethernet cable and try again to access the GUI web portal (192.168.100.1)

http://arris.force.com/consumers/articles/General_FAQs/SB8200-Web-Manager-Access

Also, please try with different devices and browsers.