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Orbi RBR40/RBS40 (V2.1.4.16) mesh network drops connection to Apple iMac
I have an ongoing issue where my Orbi RBR40/RBS40 (firmware = 2.1.4.16) mesh network drops the connection to an Apple iMac on OSX v10.13.5. No issues like this previously with my old Apple Time Capsu...
The changes that apparently fixed my connection issue...
In orbilogin.com, Advanced Wireless Settings both 2.4GHz and 5GHz changed CTS/RTS Threshold to 2307.
In orbilogin.com, Advanced WAN Setup changed MTU Size(in bytes) to 1492.
Powered down the Orbi. Powered down the cable modem. Restarted both.
Try channels 1 or 6 if there are none or few other wifi neighbors there.
Is this the modem you have?
Also I would try shortening the distance between the router and satellites as a test. 60feet maybe on the outer finges of keeping too signal between the router and satellite...try 40 to 50 feet and test...
https://www.netgear.com/support/product/C7000.aspx
If so, Couple of options,
1. Configure the modem for transparent bridge mode. Then use the Orbi router in router mode.
2. If you can't bridge the modem, disable ALL wifi radios on the modem, configure the modems DMZ for the IP address the Orbi router gets from the modem. Then you can use the Orbi router in Router mode.
3. Or disable all wifi radios on the modem and connect the Orbi router to the modem, LAN to LAN and configure AP mode on the Orbi router.
This is the Netgear cable modem that I'm using;
https://www.netgear.com/home/products/networking/cable-modems-routers/C7100V.aspx
Looks like no new firmware updates are available for the modem.
I tried using chan 1 and 6, but iStumbler shows a lot of strong signals from neighbors on those chans and perf was super slow so I switched to the least used chan which is 11. Perf is still slow, but...
I used a tape mearsure to check the distance between router and sat. One floor and ~35 feet apart. I also had it in a different room upstairs, but had the same issue there. No other places upstairs to put it.
P.S. Forgot to mention that this issue occurs from once every other day to 3 times a day.