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Issues with an RBR850 (router mode) and one single RBS850 connected wirelessly
I have remarkably similar issues with an RBR850 (router mode) and one single RBS850 connected wirelessly. Hitron CODA56 DOCSIS 3.1 cable modem on ostensibly gigabit cable service. Cable modem ne...
Final update:
I scheduled 2 additional visits by cable company technicians to check my street's cable hub and my home's drop. Finally, I got a supervisor-level technician who correctly identified a problem with the line extending from the drop into my house. He replaced the line after the drop, and I replaced additional lines within the attic; the RBR850 has now functioned without any issues whatsoever for over a week.
I now get the rated transfer rates and consistently low pings in every device I've tested via wifi (close to RBR) and ethernet. This was clearly an issue with the cable lines. Kudos to the gurus in this forum for calling it correctly from the beginning.
|Who is your ISP your connected with?
Cox cable internet: 1 Gbps down / 100 Mbps up
|Is IPv6 enabled on the RBR?
No, I have never enabled IPv6
|Be sure to run speed tests with a wired PC and Ooklas installable speed test app for best speed test results.
I installed the local app before next steps.
Today, the RBR850 router had already gone brain dead and lost wifi at least twice in the first half of the day.
I reset the RBR850 once again and onboarded with all the default settings, but did not restore settings or change anything.
Speed test results
- On router configuration "Speed Test" page: ~90-100 Mbps down / 10 - 15 Mbps up (!)
- Looks like the upload is even slower today. Unfortunately I didn't check just before the reset, but this is 1/10 my rated speed!
- On windows app using a computer connected directly to router via CAT6: ~90-100 Mbps down / 10 - 15 Mbps up
- On iPhone 16 Pro Max, connected to 5GHz wifi: ~90-100 Mbps down / 10 - 15 Mbps up
Something is clearly wrong with my RBR850 + RBS850 setup.
Next, I restored all my previous settings and got identical results as above.
I also received a TP-Link BE800 WiFi7 router today and onboarded it immediately after the actions above, with all the ethernet cables hooked up similarly. I didn't change anything else in the network, including the modem.
Speed test results for TP-Link BE800
- On windows app using a computer connected directly to router via CAT6: ~950 Mbps down / 115 Mbps up
- On iPhone 16 Pro Max, connected to 5GHz WiFi: 1100 Mbps down / 115 Mbps up
- On iPhone 16 Pro Max, connected to 6GHz WiFi7: 1200 Mbps down / 116 Mbps up
This appears to be the nail in the coffin for these RBR850/RBS850s. I might continue to explore troubleshooting, but I have wasted 10s of hours at this point and I have to assume either the hardware is bad or the latest firmware really screwed something up. I'll keep checking these forums to see if something official happens with the Orbi WiFi6/6E just so I can keep the devices as backup.