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Forum Discussion
RBR40 losing internet connectivity every 12 hours or so
Hi, My Orbi RBR40 (model name doens't list in the pull down) wifi router with 2 sattelites is losing internet connecivity every ~12 hours or so. Wifi connection to the Orbi is maintained and I can r...
DOD-March wrote:a) Does bridging through the modem expose my network to potential hackers?
b) Why does this problem only occur intermittently - i.e. 12 hours+ a day it all works ok.
a) The Arris web User Guide indicates that this router has basically the same sort of firewall as the Orbi:
It also shows how to disable the Arris WiFi network so that those radios do not interfere with the Orbi.
b) Why? This is indeed the "$64 Question". For some Orbi users, this never happens. My Orbi has never once had to be restarted because it no longer connected to the modem. (If this were a common phenomenon, my feeling is the "Blog-o-Sphere" would be in flames with complaints.) I have a personal theory that somehow the DHCP coordination between the Orbi and DHCP server fails and the Orbi concludes that it may no longer communicate. The upstream server thinks everything is "just fine", and (if it had a brain) might wonder why this particular customer simply doesn't send any packets.
I believe that rather than reboot the Orbi, some users have found that they can open the Orbi web interface Basic Tab, Internet Menu, and click on the "Test" button at the top and the Orbi internet link is restored. Once again, my personal theory is that this forces the Orbi to send packets to the upstream server and this time the protocol works.
If I could reproduce the problem, I would be devoting considerable effort to diagnosing it, but alas I cannot.
Cool, thanks - I'll test the bridge NAT mode and see what happens.
D.
Hopefully, the last question on this. With the new setup, my RBR40 is still at 192.168.1.1 but (As predicted) my Arris modem is no longer at 192.168.0.1 - how do I connect to it over the network?
D.
DOD-March wrote:Hopefully, the last question on this. With the new setup, my RBR40 is still at 192.168.1.1 but (As predicted) my Arris modem is no longer at 192.168.0.1 - how do I connect to it over the network?
When the Arris is put into "bridge" mode, it no longer has an IP address. It has become "only a modem", no longer performing ANY router or WiFi functions. The Orbi now has the "public" IP address that the Arris had before. You can no longer reach the Arris device using a web browser.
But, wait. What if this was a horrible mistake and you want to "go back"? Simple. Locate a tiny "Reset" hole somewhere on the Arris case and stick the end of a paperclip into it for a while until the lights flash. That will do the same thing to the Arris that it does to every other electronic device (including the Orbi). A settings revert to their "Factory Defaults". In the case of the Arris, it will go back to being a modem/router/WiFi device.
I have a Surfboard cable modem, it is not a router. My Orbi router is at 192.168.1.1 and my modem is at 192.168.100.1 so you might ping that IP to see if your Arris modem answers at that IP. As others have stated, there should be a pinhole reset on the modem/router as well to revert it back to factory settings.
The modem may default to a 192.168.100.1 address after it's bridged. Something to still access it's own web page. Review the user manual for the modem to see what IP address it uses as default when in bridge mode.
DOD-March wrote:Hopefully, the last question on this. With the new setup, my RBR40 is still at 192.168.1.1 but (As predicted) my Arris modem is no longer at 192.168.0.1 - how do I connect to it over the network?
D.
Yes, http://192.186.100.1:8080 seems to be the new IP address for the modem.
No outages in 12 hours or so.. fingers crossed..
D.
Good to hear. Come back and let us know after a few days. :smileywink:
You might save off a backup configuration to file on the RBR for safe keeping. Saves time if a reset is needed.
DOD-March wrote:Yes, http://192.186.100.1:8080 seems to be the new IP address for the modem.
No outages in 12 hours or so.. fingers crossed..
D.
