RT-BE92U - On-going random losses of Internet/WAN access

[AndrewMcN]

I've had the RT-BE92U for a few weeks now and a couple of times a day it simply stops routing DNS WAN traffic and the Wi-Fi networks also stop routing. All Internet access grinds to a halt because of this. Sometimes it returns to normal on its own but today it was so inconvenient that I got it to reboot via the web UI. It's then fine again for several hours.

It's like the unit itself enters some kind of semi-hung/crashed state. I'm thinking there's some kind of memory leak or that the RAM capacity is insufficient. It runs for several hours and then begins going faulty.

I am 26 years into an advanced IT solutions architecture/engineering career covering pretty much all kinds of infrastructure. So, the most I'm guilty of is not trying the basics.

I am able to ping externally, however I tend to find that I cannot get DNS traffic to pass and that includes direct queries of external DNS services, e.g. 8.8.8.8 (I can ping this guy).

The Wi-Fi networks can't even reach the router itself. I have to go to my wired laptop to engage with the router. The router web UI responds normally. The system log just seems to show either long pauses between log entries or errors about wireless client disconnects.

This kind of error seems to be common in the log just now:

kernel: WLC_SCB_DEAUTHENTICATE_FOR_REASON err -30
kernel: WLC_SCB_DEAUTHORIZE error (-30)

Could be red herrings but they always seem to be around when the crashes happen.

I have a lot of smart devices. It says I have a total of 54 clients but the vast majority of those will generate very little traffic.

I use Sky Stream. So, there can be a lot of throughput there. I also watch a lot of Twitch. Again a lot of data passing through for that. Nothing I wouldn't expect this router to handle though.

I have AiMesh up and running with two nodes.

I use the Time Machine backup capability with a USB drive attached. There's an hourly backup.

I have the AiProtection turned on. DoS protection enabled.

I also have the DNS over TLS enabled opportunistically but I've tried putting this off and it doesn't help.

I just fear that the hardware spec isn't able to handle the workload.

It just seems like the firmware isn't stable enough yet. I need to decide if I should be returning this or just be patient and wake for the next firmware updates.

Anyone else with this router experiencing issues despite factory resetting?

[FarukKocak]

I have this router since December 2024. No problems in the first months. Been getting random disconnects and freezes both on WAN and Wifi lately, it became unbearable since  a couple of days. Yesterday I upgraded to 3.0.0.6.102_37563. Issue continued. I lowered the TX power from Performance to Good and disabled QoS. Problem continues. I have three ssids for 2.4, 5 and 6Ghz. No MLO. I also have one AiMesh node (an Asus AC86 router). I have now disconnected the AiMesh and turned off Roaming Assistant. Hope this will be an intermittent solution until Asus comes up with a real solution. I am very disappointed.

[FarukKocak]

Just a quick update. Removing AiMesh and turning off Roaming Assistant, disabling QoS and I even gave up 6GHz and reduced the ssid's to only two (2.4GHZ + 5GHz!) didn't stop the router to disconnect several times a day. With so many features disabled, it is just equivalent to a plain dumb cheapo basic router now, but it's not solid and I still have to reboot the router at least twice to regain internet access! I also haven't received a reply from Asus to my feedback with logs etc. Is Asus working on solving our problems with this unreliable router!?

[samsssk]

Just upgrade to 3.0.0.6.102_38961 all device connetion is fine and stable , I suggest update to this version.

[FarukKocak]

I upgraded to the latest 3891 firmware. It got better but I still have the disconnect issues, just not as often as before. (reduced from a couple of times every day to once every 2 days) Asus needs to still work on this.