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RT-AC58U 5GHz issues

Mic Tie

New Around Here
Several times per day my AC-58U refuses to work on the 5GHz band.
Looking at the system log I can see the following repeating 50-100 times:
Jul 14 12:59:02 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 12:59:10 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 12:59:14 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 12:59:19 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 12:59:28 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 12:59:34 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 12:59:47 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 12:59:49 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 12:59:56 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 13:00:01 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 13:00:04 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 13:00:07 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 13:00:13 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 13:00:16 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 13:00:25 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 13:00:25 kernel: Switching to Tx Mode-1 Threshold 280
Jul 14 13:00:27 kernel: Switching to Tx Mode-1 Threshold 0
Jul 14 13:00:31 kernel: Switching to Tx Mode-1 Threshold 280
.....

When this is happening, 2.4GHz is working fine, 5GHz disconnects.
After 1-2 minutes the router start working normally, until the whole repeats a couple of minutes or hours later.

Asus exchanged my router 2 moths ago, the issue was gone, but now also the new router shows the same problem, and it's getting worse - longer and more often.
I could use 2,4GHz, but then the speed would drop from app 350Mbps to 60Mbps

Any idea what could cause this, and/or how to resolve?
 
Last edited:

Mic Tie

New Around Here
It might be some overload problem.
After moving some of the 5GHz connections to 2.4GHz the situation has somehow improved, but it comes at the high price of significantly lower speed.
 

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