"Invalid channel $$ for checking interference" Error message while saving dual 5 GHz radio configuration on AP250

[markus_dach]

Dear Community,
i have some configuration issues with dual 5G Configuration on AP250 firmware is 10.4.3.0.
While running Wifi1 on 20 MHz UNII-1 Channel i want to operate Wifi0 und 40 MHz UNII-3 Channels.
Nevertheless wich channel i select on Wifi0, i will receive an error Message like:

Invalid channel 151 for checking interference.

Any idea on how to troubleshoot this?

Best Regards,
Markus

[SamPirok]

Thank you again for your patience here, I think I may have found the issue. When using dual 5ghz radios, acsp uses 60 MHz of separation. I think since the wifi1 radio is set to use UNII-2 channels, we are too close to that range when we select UNII-3 channels. Would you be able to test that theory?

[markus_dach]

Hi Sam,
i see this on the GUI while saving a manual channel assignement to the Radio.
DFS is enabled while all UNII-1 Channels are excluded on this Radio and the only allowed on the other.
However, same issue appeard also when only UNII-3 Channels assigned to the profile.

[SamPirok]

Hi Markus, are you seeing that error in the GUI or in the CLI, or somewhere else? Also do you have DFS channels enabled in the Radio Profile?