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Forum Discussion
Solved
Firmware update for R7900 with Xfinity modem/router
I have an R7900 hardwired to an Xfinity XB6 Modem/Router. The Netgear app won't connect to the R7900 through wifi (I get an error message). If I unplug the modem input, I can get in but can't upgrade ...
> [...] After confirming that the XB6 still showed that the R7900 was
> connected and the IP address had not changed, [...]Is the XB6 reporting its fond memories of the R7900-as-WAP, or are
those data current? Restart the XB6, and see if its story changes.> [...] Not sure if that means it never rebooted, Is somehow stuck in
> the reboot, or if the reboot was complete.Until you can talk to its management web site, it may not be possible
to tell.If the R7900 is really working (to some extent, at least), I'd cycle
the power, and see if its condition changes. Normally, the management
web site is fairly reliable, but if the settings got scrambled, it might
die (for no very good reason), but leave other functions operating.
When that fails, I'd try a settings reset (and manual
reconfiguration). Note that a settings reset should restore it to
normal-router mode, so, at that point, you ought to be able to connect
to nothing except (power and) a single computer, and reach it with a
"routerlogin" name.When none of that works, the last ditch is the TFTP recovery scheme.
Thanks and sorry for being so vague. The XB6 modem/router is at one end of a long house in the basement and the R7900 router is upstairs at the other end. Their radio ranges do not overlap and have different SSID's. They are connecgted by in-wall ethernet wiring from a LAN port on the XB6 to the WAN port on the R7900. The XB6 assigned an IP address of 10.0.0.186 to the R7900. I ran Speedtest on an R7900 SSID before the update and got 300+Mbs.
I downloaded firmware version V1.0.3.8_10.0.37 to my laptop and connected it by ethernet cable to a LAN port on the 7900. Using Firefox I connected to the R7900 using http://10.0.0.186. I noticed that at that point the Netgear page showed firmware version V1.0.2.16_10.0.32 Following the instructions on the Netgear website I uploaded the new firmware from the desktop file. The screen showed a progress bar for a while and I let it run without touching anything. Aftrer the bar completed, the screen showed a message that the router was restarting. Shortly thereafter, the Netgear page disappeared and the page showed the message "Firefox can’t establish a connection to the server at 10.0.0.186." After confirming that the XB6 still showed that the R7900 was connected and the IP address had not changed, I tried again several times and continued to get this message. I tried clearing the cache and this didn't help.
After a few minutes I tried Speedtest on the R7900 SSID and it still showed 300+ Mbs. Even though I hadn't been able to reconnect to IP 10.0.0.186 through Firefox, I shut down my laptop assuming everything was fine since I had a great connection. While unplgging the laptop's ethernet cable I noticed the orange flashing light. I looked in the manual and that is where I saw that it meant the firmware was updating. Not sure if that means it never rebooted, Is somehow stuck in the reboot, or if the reboot was complete.
As for Edge and Explorer, as I recall it was a "can't reach this page" message in both cases.
Thanks again, and hope this helps.
> [...] After confirming that the XB6 still showed that the R7900 was
> connected and the IP address had not changed, [...]
Is the XB6 reporting its fond memories of the R7900-as-WAP, or are
those data current? Restart the XB6, and see if its story changes.
> [...] Not sure if that means it never rebooted, Is somehow stuck in
> the reboot, or if the reboot was complete.
Until you can talk to its management web site, it may not be possible
to tell.
If the R7900 is really working (to some extent, at least), I'd cycle
the power, and see if its condition changes. Normally, the management
web site is fairly reliable, but if the settings got scrambled, it might
die (for no very good reason), but leave other functions operating.
When that fails, I'd try a settings reset (and manual
reconfiguration). Note that a settings reset should restore it to
normal-router mode, so, at that point, you ought to be able to connect
to nothing except (power and) a single computer, and reach it with a
"routerlogin" name.
When none of that works, the last ditch is the TFTP recovery scheme.
- Solved! Rebooted Modem, confirmed IP address had not changed, rebooted R7900, logged in using Firefox with no trouble. Confirmed that firmware had updated and that the router was in Access Point mode. All is working fine. Thanks for sticking with me antinode!
Thanks for the report. Glad to hear that you got it working. (What
could go wrong?)