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TP-Link Archer AX6000 - 5GHz band does not keep the selected channel

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TP-Link Archer AX6000 - 5GHz band does not keep the selected channel

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TP-Link Archer AX6000 - 5GHz band does not keep the selected channel
TP-Link Archer AX6000 - 5GHz band does not keep the selected channel
2021-09-20 20:46:38
Model: Archer AX6000  
Hardware Version: V2
Firmware Version: 1.0.3 Build 20210719 rel.18941(4555)

Hi, I bought this router less than a week ago, but sadly I encountered an annoying issue: even selecting manually a certain channel on 5GHz band (channel 44 in my case), randomly my connected device (Intel WiFi 6 card AX200) switches to channel 36 (which halves the performance to 1.2gbps instead of a maximum of 2.4gbps), it never happened with my old router from the ISP; the AX200 card has the latest driver (22.70.0.6) and the latest firmware is installed on the Archer AX6000.

 

Could this be a bug of the latest firmware?

 

Thanks in advance.

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#1
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5 Reply
Re:TP-Link Archer AX6000 - 5GHz band does not keep the selected channel
2021-09-22 03:53:15

@TheGreyFox 

 

When you manually switch to channel 44 on the router web GUI, does it display 44 on the Status page? If yes, may I know where did you see it switches back to 36 on the Intel WiFi 6 card AX200 device? Can I have a screenshot of it?

 

How about other devices that connect to the 5G network of the router, does it also display a channel 36 whereas the channel displays as 44 on the router's Status page?

 

Try to test this by switching to other channels such as 48 or 40, will it switch back to 36?

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Re:TP-Link Archer AX6000 - 5GHz band does not keep the selected channel
2021-09-26 21:56:12 - last edited 2021-09-26 21:56:32

@Kevin_Z

Yes the channel 44 was correcly selected and saved on the GUI, I saw the channel 36 on the wireless properties of the AX200 card.

I made some other attempts, this problem comes up only if I modify something on the wireless options without reboot the router, and sometimes the 5G band completely disappears when modifying something without rebooting (and not shows up even after 15 min).

After rebooting, everything is working fine without any challel switch and the 5G band works fine.

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#3
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Re:TP-Link Archer AX6000 - 5GHz band does not keep the selected channel
2021-09-29 02:48:23

@TheGreyFox 

 

Just to be sure, everything is working fine now?

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router EasyMesh Is Available When Wi-Fi Routers Work in AP Mode as A Controller. Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
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Re:TP-Link Archer AX6000 - 5GHz band does not keep the selected channel
2021-09-29 04:26:07 - last edited 2021-09-29 04:38:53

@Kevin_Z 

 

Sadly no, during this days I found that the problem occurs even without changing the settings and even changing the setting and rebooting.

 

Here's some screens I took when the channel switched to 36:

 

 

EDIT - Added router status page screen that shows channel 36, but 44 is selected on the wireless settings page;

I guess this could be considered a bug on the firmware.

 

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#5
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Re:TP-Link Archer AX6000 - 5GHz band does not keep the selected channel
2021-09-29 05:44:25

@TheGreyFox 

 

Got it. This will need to be analyzed by the support engineers, they will likely reach out to you via email, please check and confirm.

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router EasyMesh Is Available When Wi-Fi Routers Work in AP Mode as A Controller. Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
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#6
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