During the installation of my new ZenWifi AX set a couple of days ago, I upgraded to 45934. After configuring everything, I started running into this problem of frequent dropouts of my 2.4GHz webcams, plus a 2.4GHz P1-reader (smart energy meter reader). After trying numerous settings without success, I found something that so far seems to have resolved the issue... On the ASUS router web config, go to "Wireless", then select the "Roaming Block List" tab... there I added the devices which were having problems and after several hours have not had them drop.
UPDATE 1:
A day later, and the cams have
remained connected. However... The ESP8266-based P1-reader however, became unreachable after about 8 hours, so it doesn't appear to be a roaming issue. It's located about 30 cm from the main ZenWifi unit, so weak signal strength can't be an issue. That said, the maker of the unit said there had been anecdotal reports of the reader having problems if the signal strength is too
strong. The P1 is connected according to the ZenWifi unit, but I'm unable to access it via its internal web-server or telnet server. All other 2.4Ghz devices seem to be working fine, and if I switch the 2.4GHz radio on the ZenWifi off and on, then I am able to reach the P1 again, and I know it hasn't roamed (because it's on the Roaming Block List), so it seems there's some issue in the wifi chip of the P1-reader... perhaps compatibility in modulation mode (turbo) or universal beamforming? Hmmm... I'll try setting those to standard settings to see if that helps, and report back later.
UPDATE 2:
Good news: a day later, and the ESP8266-based P1-reader has remained
reachable. I'll continue testing for another day, then post my settings if everything is still working.
UPDATE 3:
Another day later, and all my webcams remained connected and the ESP8266-based P1-reader has remained
reachable. (I forgot to mention: the solar panel converter also remains connected.)
Here are the settings I used:
Firstly, I cleared the "Roaming Block List" which I mentioned above - turns out I had no need for it after all. Then, for the 2.4GHz band only, I have the following settings on the "Professional" tab. In particular, note that I disabled Roaming Assistant, set the modulation to max MCS 7, and disabled Beamforming. On the "General" tab, I set the 2.4GHz band to a fixed channel (in my case, 6), and 20Mhz.
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