Thank you for your help , I saw the setting step on controller on the Cisco website ( Figure1 and Figure 2 ) .
but my AP's GUI does not like that , I found a similar GUI on the Internet ( Figure 3 ) .
Does my AP can do the things of interference detection and change channel when the interference is detected to be strong automatically ?
p.s. My AP's firmware type is Mobility Express , version is 8.3.112 , and there is a virtual controller in the AP .
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