Archer C6 2.4G band stops working, disable then enable restores
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Recently purchased Archer C6 Router running the latest firmware. On 4 occasions the 2.4G WiFi band has stopped working, devices can connect to it but get no network access. Disabling and enabling the 2.4G band on the admin interface restores the connectivity, the 5G band is not affected, a device connected to it is used to reset the 2.4G band.
I used the chat support service to discuss the issue and the suggestion was to change from automatic to a fixed channel for the 2.4G band, this appeared to resolve the issue but it has happened again today, a phone which only works on 2.4G was showing the WIFI as access denied.
is there anything else I can do to resolve this issue.
StuartP
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This issue is in every 1.3.x firmware.
And it seems TP-Link wasnt able to reproduce this. Will inform when i hear again from Support.
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Any chance you could share the special FW with the logging feature? Maybe @Kevin_Z and the TP-Link guys could do something with the logging data from more users?
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Hi,
asked the support for this yesterday, will do it,when they say yes :).
The bug isn`t fixed yet, for users that see the bug, in my opinion there is nothing you can do but reboot schedule. :(
Best Regards.
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For me everything had worked great (C6 was bought in June) until I installed the new firmware 1.3.5 some weeks ago.
From then on, 2.4 GHz hasn't worked on Chrome OS 84.0.4147.127 (but 5 GHz still works)... my device detects C6 and starts connecting, connecting, connecting,....
Resetting C6 doesn't help, neither does resetting Chrome OS.
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I hope @Kevin_Z and team not only fix for wifi but fix for IPTV/VLAN (Mode:Malaysia-Unifi). My STB connection stop working after a few minutes/hours. Need to reboot to fix it. Test with other router (DIR-850L) it work fine. Firmware version: 1.3.6 Build 20200611 rel.33480(4555) this firmware up to 2 days until the issue come Not like 1.3.6 (latest) and 1.3.7 beta not even last for 1 day.
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aTOMic1971 wrote
Hi all,
now i am in email contact with support about this issue.
They have sent me a special firmware with logging and i have reproduced the issue.
Finaly i had send them the logs.
Will inform here, if they den fix it.
Hi,
Also had contact with support through email and Friday August 14 they told me an issue was found that may cause the error and send me a firmware upgrade to capture a debug log. Attached was a guide that seemed to be for an Archer A7.
The url in that guide for access gave me a no such file or directory error.
And the new firmware didn't work for me, system was down in less than 1 minute.
Last Tuesday again new firmware... same story as above except it stayed online for a whooping 5 hours but after I rebooted because speed was dramatic, it went down in 15 minutes. It's all pretty random it seems.
So I'm surprised you managed to make a debug file and am wondering if I did something wrong. Used 2 browsers: Microsoft Edge and latest version of Firefox.
Both same message no such file or directory.
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Hi Wy., delete "index" and insert "debug" in the browserbar. Leave the other chars of the adress untouched and hit Enter.
Thats TP-Link-magic. 
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aTOMic1971 wrote
Hi Wy., delete "index" and insert "debug" in the browserbar. Leave the other chars of the adress untouched and hit Enter.
Thats TP-Link-magic.
Aahh yes ofcourse... now I see it. 
feels stupid.
Thank you my friend!
Do you think I can go back te previous version of firmware? If I can reproduce the error in less than a minute perhaps makes work easier for support.
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If the magic logging works in your previous version, feel free to do it.
The guide is stupid, also needed half an hour to get it. 
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Only focused on the url with the red square around it
But did I understand it correct that support didn't see or could reproduce the error from the log file you send them but your system went down?
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