When new devices connect to wifi (authen dot1x by ACS) cisco 9800 always have issue can't connect wifi in 5minutes. I checked log and see it "Authorization failed or unapplied for client" x5 times => %CLIENT_EXCLUSION_SERVER-5-ADD_TO_BLACKLIST_REASON . I have config exclusion time is 60s.
Please help me because user complain about connect wifi so difficult .
