环境：
华为S1730S-S
锐捷 NBS3100-24GT4SF
问题描述：
无线POE交换机突然离线导致AP下用户无法上网
交换机各个指示灯都正常，现在有无线信号 连接上获取不到ip
本地远程管理地址也访问不了
解决方案：
1.电脑直连这个交换机登录10.44.77.200，电脑设置成10.44.77.100，掩码设置成255.255.255.0，查看情况
28口下联交换机，测试拔出光模块，就恢复正常
2.关闭下联交换机stp功能
[HW1730s]stp disable
Warning: This operation will result in loops, since LNP is enabled on the device. Continue?[Y/N]:y
Info: This operation may take a few seconds. Please wait for a moment....
Jun 28 2022 03:14:26 HW1730s-1604 %%01MSTP/4/SET_PORT_FORWARDING(l)[0]:In MSTP process 0 instance 0, MSTP set port GigabitEthernet0/0/5 state as forwarding.
Jun 28 2022 03:14:26 HW1730s-1604 %%01MSTP/4/SET_PORT_FORWARDING(l)[1]:In MSTP process 0 instance 0, MSTP set port GigabitEthernet0/0/14 state as forwarding..done.
[HW1730s]
Jun 28 2022 03:14:31 HW1730s-1604 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.56813.5.25.191.3.1 configurations have been changed. The current change number is 1, the change loop count is 0, and the maximum number of records is 4095.
