RT-AX86U keeps losing 5Ghz only on desktop

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King of IT

New Around Here
Hi, I just noticed my bandwidth was slow for a few days.. 100MBit instead of 500Mbit,, rebooted the Asus router, and sure enough, there is a FirmWare update.
Had anyone dared to upgrade?? Oh what the heck, I will do it..
1610628774848.png
 

lollypop

Occasional Visitor
Hi all,
Guess what, I am experiencing the same issue. This started with when my ax86u router updated to: Version 3.0.0.4.386.41535
This happens with my computer which has Intel ax200 wifi card, I keep losing internet for 30-40 secs and then it would come back itself. When, this happens, all other devices continue to work. Laptops, iphone, tv and ipad are fine.

This has been happening for over week. I have done a factory reset on my router and configured it from scratch and haven't made any changes to the default settings except I have enable wifi 6 with 160mhz bandwidth, which was also enabled prior to the firmware update. I have also enabled the ai protection as before but speeds are unaffected. I have reinstalled windows 10 and installed the latest wifi drivers for Intel ax card but the problem continues with the wifi. Sometimes I see wifi being disconnected and sometime wifi remains connected but no internet.

For me the log is flooded with:

Jan 14 13:19:11 kernel: CONSOLE: 275233.543 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf7b tid 0
Jan 14 13:19:11 kernel: CONSOLE: 275233.577 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf7c tid 0
Jan 14 13:19:11 kernel: CONSOLE: 275233.607 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf7d tid 0
Jan 14 13:19:11 kernel: CONSOLE: 275233.636 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf7e tid 0
Jan 14 13:19:11 kernel: CONSOLE: 275233.668 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf7f tid 0
Jan 14 13:19:11 kernel: CONSOLE: 275233.970 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf80 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.004 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf81 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.080 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf82 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.321 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf83 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.456 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf84 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.517 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf85 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.551 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf87 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.592 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf88 tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.778 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf8a tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.801 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf8b tid 0
Jan 14 13:19:12 kernel: CONSOLE: 275234.914 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf8c tid 0
Jan 14 13:19:13 kernel: CONSOLE: 275235.302 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf8d tid 0
Jan 14 13:19:13 kernel: CONSOLE: 275235.556 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf8f tid 0
Jan 14 13:19:13 kernel: CONSOLE: 275235.602 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf90 tid 0
Jan 14 13:19:13 kernel: CONSOLE: 275235.633 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf91 tid 0
Jan 14 13:19:13 kernel: CONSOLE: 275235.660 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf92 tid 0
Jan 14 13:19:13 kernel: CONSOLE: 275235.688 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf93 tid 0
Jan 14 13:19:13 kernel: CONSOLE: 275235.758 wl1.0: wlc_send_bar: for 14:f6:d8:66:4a:45 seq 0xf94 tid 0

Not sure how to decipher this. I havent changed anything withe router settings. The same setting have been working fine with 384 sdk but with the latest 386, it keeps giving me headaches.

Any help?
 

lollypop

Occasional Visitor
Alright, made the upgrade, connected 2 devices to the 5GHz WiFi band, and they are no longer disconnecting. Seems like Asus solved this problem in this FirmWare release early January 2021, without documenting it. I will continue adding devices to the 5Ghz band, lets hope it works.

Good to know but which early January firmware are you referring to? The only new 386 sdk firmware for ax86u was released on 31/12/2020 (Version 3.0.0.4.386.41535). After that, there was no update.
 

MatynK

Occasional Visitor
One this I have found is that there seems to be different versions of firmware around depending on what web site you go to.

For example for the AX88U, on the US site its RT-AX88U_3.0.0.4_384_9579, but on the Asia site its RT-AX88U_3.0.0.4_386_41700
 

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