WX2540H 设备CPU使用率100%

前期AC运行正常，目前AC CPU利用率100%，新无线用户无法接入wifi，之前已经连接上wifi的用户访问网络缓慢   

查看配置信息

  ===============display wlan client=============== 

Total number of clients: 52

  ===============display wlan ap all=============== 

Total number of APs: 22

Total number of connected APs: 22

  ===============display cpu=============== 

Unit CPU usage:

     100% in last 5 seconds

     100% in last 1 minute

     100% in last 5 minutes

===============display process cpu=============== 

CPU utilization in 5 secs: 100.0%; 1 min: 100.0%; 5 mins: 100.0%

    JID      5Sec      1Min      5Min    Name

      1      1.5%      0.0%      0.0%    scmd

      2      0.0%      0.0%      0.0%    [kthreadd]

      3      0.0%      0.0%      0.0%    [migration/0]

      4      0.0%      0.0%      0.0%    [ksoftirqd/0]

      5      0.0%      0.0%      0.0%    [watchdog/0]

      6      0.0%      0.0%      0.0%    [migration/1]

      7     50.0%     49.5%     49.2%    [ksoftirqd/1]

      8      0.0%      0.2%      0.2%    [watchdog/1]

    ……

     38      0.0%      0.0%      0.0%    [fshe]

     47     36.3%     44.3%     45.3%    [Rcv-SingleCPU0]

     48      0.0%      0.0%      0.0%    [Rcv-SingleCPU1]

     49      0.0%      0.0%      0.0%    [Tx-SingleCPU]

     52      0.0%      0.0%      0.0%    [lipc_topology]

查看cpu信息主要是进程[ksoftirqd/1]和[Rcv-SingleCPU0] 很高，这是与转发相关的进程。

interface GigabitEthernet1/0/5

port link-mode bridge

description to hexin

port link-type trunk

port trunk permit vlan all

指导客户放通相关管理与业务vlan

放通相关管理与业务vlan 。