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When I originally set up my home network using a 10.0.0.# IP scheme I swear I could access the SB8200 web browser interface by using 192.168.100 from a computer on my home network with a 10.0.0.# IP address.  I know it worked then, because I know I reset the modem’s default admin password.  Now I can successfully ping the SB8200 192.168.100.1 IP address, but trying to access the browser interface eventually times out the browser.  The router is a Linksys MR7500 and the ISP is Comcast / XFINITY.  I have also tried a default reset on the modem and I still cannot access the modem via the web browser interface.

Any ideas why I can’t access the modem’s web interface?  Do I need to set up special routing on my Lynksys router?  Any help would be appreciated.

As you had mentioned 2 devices wherein one is the cable modem and the other is the router. 

To log in to the modem interphase, connect the modem directly to a computer /laptop and open a web browser, and type in 192.168.100.1 to access. 

For router interphase, please contact Linksys MR7500.

 


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