Using an RT-AX86S on firmware 3.0.0.4.388_22525 and experiencing the exact same issue with WiFi 6 mode enabled.
2.4Ghz works fine. 5Ghz says it’s connected but with no internet.
I’m on v4.2.2. Definitely disappointed, hope this can be fixed.
Try matching the Bandwidth & Channel to the same as the RT-AX86S.
GL GUI → Wireless → 5GHz Wifi → Bandwidth, Channel
having exact same issues.
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Hi, it has been months since you posted this, can you recommend a solution?
This is a long post, bear with me.
I am testing this at home before my holiday (or return for a refund)
I am using a very old router Asus ac88U (yep, without AX) , connected to the mt3000 via a very long lan cable into the mt3000 wan port configured as a repeater so it takes an IP from the Asus. So this removes the variable of the 2.4g or 5g handshake.
The mt3000 arrived on firmware 4.2 it was a disaster.
It refused to see all the SSID my phone could see. (like 10 others as I live in a high rise apartment.)
I tried protonvpn Wireguard it connected once and absolutely refused to disconnect. I had to reset the firmware.
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I look forward to your advice.
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I should use the same channel number as the main router?
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You have suggested settings, such as the most stable channel number in Asia?
Sidetrack
3. Do you have suggestion for a sim card 4G/5G modem? The Huawei E353 is not compatible.
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The system kept telling me to upgrade to 4.2.3, ok, so I did it via online. After the upgrade…
(I am beside the router doing all the actions below)
I found out how to break the internet immediately. Just use ookla speed test on my phone. It will break the mt3000 for a minute. I guess it reboot?
I disabled the AX (then why pay for wifi6??) so the mt3000 wifi network will only support up to AC. This stabilize the network more but still, the wifi crashes when I do ookla speed test on my phone.
I also set the 5G and 2.4G to identical name and password. This also helped to stabilize connectivity but still cannot survive ookla speed test.
Later today, I will try to share a hotspot via my phone to rule out the Asus router variable.
Tbh right now, adguard or Wireguard is second priority.
@alzhao, at this moment I just want a stable wifi repeater (hotspot and cafe/hotel captive portal) to support 10 devices.
Are you using the original power supły? If yes, could you try another one that’s capable of 5 V/3 A?
@lecmipahu thank you for pointing this out.
Yes I tried a powerbank capable of 5v3a, I tried a charger capable of 5v2.1a, a fast charger QC3.0, and the original.
It must work with powerbank because that is how I want to use it on vacation.
I learnt something. The mt3000 will power on, does not mean it is stable. Mt3000 really needs 5v3a.
Now I am using a qc3.0 charger
Too bad it doesn’t work with your powerbank. Did it work with the QC3.0 charger?
Works great with alll minus the 2.1a charger.
Update: after further testing, I seem to have found the possible culprit. The quality of type C cable and the quality of charger.
Found out by accident when i used my laptop charger at the cafe. It was rock solid stable.
So i used the same laptop charger at home, mt3000 as an ethernet extender with my Asus router… Also rock solid stable with wifi 6 ax enabled.
I think, wifi 6 is power hungry, Asus router somehow is also demanding, when I plug in my phone to be a modem it also demands power.
Not sure why, but in repeater mode, mt3000 can only see half of the AP my phone can see. Cannot even forcibly add the AP.
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Be sure to enable DFS in repeater options.