网络架构是: ( AC+AP )DHCP-WLC3504—— POE交换机-————2802AP 纯粹二层网络
地址在相同的网段,AP的管理地址和WLC 和DHCP 网关都属于相同网段,分发给PC 终端也是相同网段,目前客户反映的问题是经常连接上AP上不了网页,分发的地址是能收到的,AP的状态灯也是蓝色的,相同的网段同时也连接普通PC终端一直正常,只有在无线AP连接的设备经常出现。
日志如下:
*apfMsConnTask_0: Sep 14 03:27:14.762: %APF-3-PREAUTH_FAILURE: apf_80211.c:14733 There is no PMK cache entry for clientc4:98:80:82:64:a4. Can't do preauth[...It occurred 4 times/sec!.]
*apfMsConnTask_5: Sep 14 03:27:13.509: %APF-3-PREAUTH_FAILURE: apf_80211.c:14733 There is no PMK cache entry for clientc4:98:80:82:64:a4. Can't do preauth
*apfMsConnTask_5: Sep 14 03:27:13.196: %APF-3-PREAUTH_FAILURE: apf_80211.c:14733 There is no PMK cache entry for clientc4:98:80:82:64:a4. Can't do preauth
*spamApTask0: Sep 14 03:26:32.948: %CAPWAP-3-DISC_AP_MGR_ERR1: capwap_ac_sm.c:2109 The system is unable to process Primary discovery request from AP 74:88:bb:38:0f:80 on interface (1), VLAN (0), could not get IPv6 AP manager
*spamApTask0: Sep 14 03:25:57.585: %CAPWAP-3-DISC_AP_MGR_ERR1: capwap_ac_sm.c:2109 The system is unable to process Primary discovery request from AP 78:bc:1a:6d:3b:40 on interface (1), VLAN (0), could not get IPv6 AP manager
*spamApTask0: Sep 14 03:25:52.883: %CAPWAP-3-DISC_AP_MGR_ERR1: capwap_ac_sm.c:2109 The system is unable to process Primary discovery request from AP c4:b2:39:37:63:60 on interface (1), VLAN (0), could not get IPv6 AP manager
*spamApTask0: Sep 14 03:25:41.574: %CAPWAP-3-DISC_AP_MGR_ERR1: capwap_ac_sm.c:2109 The system is unable to process Primary discovery request from AP 78:bc:1a:69:ab:40 on interface (1), VLAN (0), could not get IPv6 AP manager
根据字面理解 和PMK 缓存有关系,还要关闭IPV6的管理功能,我不确定这个日志是能解决上不了网的问题,请各位大神解读下或者提供下无线诊断的意见