WX2540H ap频繁掉线

一台ac管理器下面挂了15个ap，运行一段时间后终端会出现掉线情况，ping不通，过很久又会上线。 下面是一些日志 CAPWAP tunnel to AP f010-904f-a820 went down. Reason: Failed to retransmit message.2020-08-31 15:11:04 警告 CAPWAP tunnel to AP f010-904f-a820 went down. Reason: Processed join request in Run state.2020-08-31 15:10:36 警告 CAPWAP tunnel to AP f010-904f-9a60 went down. Reason: Failed to retransmit message.2020-08-31 15:10:34 通知 Line protocol state on the interface Vlan-interface1 changed to up.2020-08-31 15:10:12 通知 Line protocol state on the interface GigabitEthernet1/0/4 changed to up.2020-08-31 15:10:12 通知 Line protocol state on the interface Vlan-interface1 changed to down.2020-08-31 15:10:05 通知 Line protocol state on the interface GigabitEthernet1/0/4 changed to down.2020-08-31 15:10:05 通知 Line protocol state on the interface Vlan-interface1 changed to up.2020-08-31 15:10:03 通知 Line protocol state on the interface GigabitEthernet1/0/4 changed to up.2020-08-31 15:10:03 通知 Line protocol state on the interface Vlan-interface1 changed to down.2020-08-31 15:10:01 通知 Line protocol state on the interface GigabitEthernet1/0/4 changed to down.2020-08-31 15:10:01 通知 Line protocol state on the interface Vlan-interface1 changed to up.