建议采集如下信息看看：
debug client xx:xx:xx:xx:xx:xx
然后尝试关联客户端，连接测试完成之后，debug disable-all关闭debug。
另外，show一下这些信息。
WLC：
show clock
show sysinfo
show ap summary
show ap uptime
show wlan x <<<wlan id
show msglog
AP:
show tech
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Rps-Cheers | If it solves your problem, please mark as answer. Thanks !
