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customer feedback that all client usually connect to 2.4g,but exactly we enable 5g prefer in cloudnet.
after shutdown the 2.4g in AP, client connect to 5G and work fine.
it can prove that 5g is ok, and the root cause is not 5g broken.
the client choose to use 2.4g
we check the configuration on AP, we found that the Spectrum Navigation is not configured on AP.
we configure navifation on AP manually, and the issue solved.