LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware

LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
2022-01-07 16:03:02 - last edited 2022-01-07 16:12:01
Model: LB110
Hardware Version: V1
Firmware Version: 1.8.11


I have 4 TP-LINK LB110 smart bulbs, one KL120, and a HS105 smart plug which have worked flawlessly until I upgraded my ASUS router AX88U firmware to

Version 3.0.0.4.386.45934 2021/11/16.  However, after upgrading to 3.0.0.4.386.45934, all smart bulbs disconnect numerous times an hour with “wl0.1: STA MAC IEEE 802.11: disassociated“ and “wl0.1: MAC RADIUS: starting accounting session BCE13EF2E594CE5C” – “wl0.1: MAC WPA: pairwise key” in the system log. As a result, the smart bulbs frequently time out when trying to manage through the KASA app.

I have tried the following troubleshooting steps with no success other than using WIFI legacy mode or reverting to old router firmware where everything works stable.

1) Problem starting after upgrading router to 3.0.0.4.386.45934:

  • Hard resetting bulbs to factory defaults and rejoining guest network.
  • Disabled WIFI 6 on 2.4 GHZ radio, changed channel (thought maybe too many conflicts), reduced channel bandwidth to 20 MHZ, ensure WIFI security still WPA 2 for guest, disabled protected frame management, disabled universal beam forming, disabled airtime fairness, disabled WMM APSD.
  • Tried lowering RTS threshold.

3) Did a hard reset on router and re-uploaded 3.0.0.4.386.45934 and still no luck.
4) Reverted back to old firmware and problems went away.

5) Tried upgrading firmware again with 2.4GHZ wiFI mode set to Legacy and the bulbs work stable.   However, Legacy mode is not a solution.   

6) Reverted back to old firmware and bulbs work great with 2.4 GHZ radio WIFI 6, channel width, protected frame management, universal beam forming, WMM APSD all set to enabled.  .

Given the only WIFI clients that seem to be experiencing issues with 3.0.0.4.386.45934 are the bulbs, I was leaning towards an issue with the bulbs that did not get exposed until the latest firmware update. Note I also have two TP-LINK HS200 switches that did not experience any problems (I’m guessing they use different wireless chips).  All the bulbs are using latest 1.8.11 firmware; any suggestions?   Using old router firmware opens the house up to vulnerabilities so that is not a solution.  

 

 

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6 Reply
Re:LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
2022-01-09 03:59:35
New update: I tried a KL130 with the newest ASUS AX88U firmware and no disconnect issues. Only devices which have been problematic with the new firmware are LB110's, a KL120, and a HS105. All the other smart devices work flawlessly in my home. Given this data, its looking more like an issue with the older devices and potentially there firmware. I home TP-LINK fixes this as we should not have to buy new bulbs every time vulnerabilities are addressed by a router manufacturer.
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Re:LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
2022-01-10 02:07:48

Hello @ElmerFudd 

Thank you for your detailed post, I created a support email to escalate case and investigate further. 

May I know your TP-Link ID, and hardware version & MAC address of working - fine KL1`30 & HS200, and some MAC address of the problematic devices, please share by private message and reply on ticket  TKID220110124 directly, thank you. 

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Re:LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
2022-01-10 14:41:29

910348

Solla-topee wrote

Hello @ElmerFudd 

Thank you for your detailed post, I created a support email to escalate case and investigate further. 

May I know your TP-Link ID, and hardware version & MAC address of working - fine KL1`30 & HS200, and some MAC address of the problematic devices, please share by private message and reply on ticket  TKID220110124 directly, thank you. 

 

@Solla-topee 

Thank you for escalating this ticket.   I sent you a PM with the information requested.  Please let me know if there is anything else I can do to assisst. 

 

 

 

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Re:LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
2022-01-12 02:32:16

@ElmerFudd 

 

Update... I just installed 4 more KL130's and none have dropped offline.   Will monitor to see if they stay online 36+ hours like the first.   The newer devices are better in many ways but it would be good if I could get more mileage out of my older devices which were expensive when I bought them.   A $30 light bulb in 2014/2015 should last more than 7-8 years.  It was not fun spending another $56+ on bulbs to fix wifi issues.

 

 

-Mike 

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Re:LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
2022-04-04 19:23:09

  @Solla-topee 

 

Same exact problem here.  So glad I found this thread and another one in this forum.  The solution is to force legacy mode for 2.4 band so all the Kasa devices are limited to 802.11g connections rather than n.  I have AX-55 router.  No problems at all w/a couple Netgear Nightjawk router before, it's just the Asus.  

 

I have 20+ Kasa devices (dimmers, switches, strips) and all are on latest firmware.  Is there any solution from Kasa or am I stuck at 2.4 802.11g so the Kasa devices respond quickly and stop disconnectig repeatedly?

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Re:LB110, KL120, and HS105 Will not stay connected to WIFI after upgrading ASUS AX88U firmware
2022-04-06 04:09:09

Hello   @SteverinoLA  and everyone, 

 

Here is a thread discussing the same topic Smart Switches Disconnecting , for now I recommend reaching Asus support at the same time and see if there is any firmware available to fix this . 

 

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