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1 故障描述
现场1台WLC 2504控制器掉电重启后,所有AP均无线上线,
正常时共有18个AP在线,而当前为0
AP在线数量为0
(Cisco Controller) >show ap sumNumber of APs.................................... 0Global AP User Name.............................. Not Configured
Global AP Dot1x User Name........................ Not Configured
2 查看WLC日期和时间
(Cisco Controller) >show time Time............................................. Sat May 4 15:07:24 2000Timezone delta................................... 0:0
Timezone location................................ (GMT +8:00) HongKong, Bejing, ChongquingNTP ServersNTP Version.................................. 3NTP Polling Interval......................... 600Index NTP Key Index NTP Server Status NTP Msg Auth Status------- ---------------------------------------------------------------------
当前时间为2024.5.4 ,而控制器时间变成了2000年,所以导致AP无法上线
原因是WLC 2504上的板载电池失效,一旦掉电重启,系统时间就会恢复到2000年
3 处理方法
需要手工修改系统时间,或指定NTP SERVER
以下是手工修改时间的方法
3.1 命令行修改方法
(Cisco Controller) >config time manual 05/04/24 15:07:00
命令完成后,show time查看日期和时间
(Cisco Controller) >show time Time............................................. Sat May 4 15:07:24 2024Timezone delta................................... 0:0
Timezone location................................ (GMT +8:00) HongKong, Bejing, ChongquingNTP ServersNTP Version.................................. 3NTP Polling Interval......................... 600Index NTP Key Index NTP Server Status NTP Msg Auth Status------- ---------------------------------------------------------------------
此时再确认AP上线状态
AP正常上线,数量 18个
(Cisco Controller) >show ap summary Number of APs.................................... 18Global AP User Name.............................. Not Configured
Global AP Dot1x User Name........................ Not ConfiguredAP Name Slots AP Model Ethernet MAC Location Country IP Address Clients DSE Location
------------------------------ ----- -------------------- ----------------- -------------------- ---------- --------------- ------- --------------
2L-2 2 AIR-AP2802I-H-K9 aa:bb:cc:6f:e8:2c default location CN 10.248.100.1 0 [0 ,0 ,0 ]
4L-1 2 AIR-AP2802I-H-K9 aa:bb:cc:6f:e6:da default location CN 10.248.100.2 0 [0 ,0 ,0 ]
4L-3 2 AIR-AP2802I-H-K9 aa:bb:cc:19:70:d2 default location CN 10.248.100.3 0 [0 ,0 ,0 ]
2L-1 2 AIR-AP2802I-H-K9 aa:bb:cc:bf:6b:56 default location CN 10.248.100.4 0 [0 ,0 ,0 ]
2L-3 2 AIR-AP2802I-H-K9 aa:bb:cc:bf:6a:bc default location CN 10.248.100.5 0 [0 ,0 ,0 ]
4L-2 2 AIR-AP2802I-H-K9 aa:bb:cc:82:2e:d0 default location CN 10.248.100.6 0 [0 ,0 ,0 ]
3L-07 2 AIR-AP1832I-H-K9 aa:bb:cc:42:1e:40 default location CN 10.248.100.7 7 [0 ,0 ,0 ]
3L-10 2 AIR-AP1832I-H-K9 aa:bb:cc:42:14:f0 default location CN 10.248.100.8 1 [0 ,0 ,0 ]
2L-4 2 AIR-AP2802I-H-K9 aa:bb:cc:bf:6a:b8 default location CN 10.248.100.9 1 [0 ,0 ,0 ]
3L-6 2 AIR-AP2802I-H-K9 aa:bb:cc:6f:e6:dc default location CN 10.248.100.10 0 [0 ,0 ,0 ]
3L-2 2 AIR-AP2802I-H-K9 aa:bb:cc:6f:e7:94 default location CN 10.248.100.11 1 [0 ,0 ,0 ]
3L-3 2 AIR-AP2802I-H-K9 aa:bb:cc:bf:6b:f8 default location CN 10.248.100.12 0 [0 ,0 ,0 ]
3L-4 2 AIR-AP2802I-H-K9 aa:bb:cc:82:1d:2a default location CN 10.248.100.13 0 [0 ,0 ,0 ]
3L-5 2 AIR-AP2802I-H-K9 aa:bb:cc:bf:6a:b4 default location CN 10.248.100.14 0 [0 ,0 ,0 ]
3.2 也可以通过GUI进行时间的修改
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