1、管理口IP地址 ping 不通
1、检查链路和本地PC的IP地址，检查无误，现象依旧；
2、用串口线登录交换机是否可以登录，结果显示登录正常；
3、用串口线登录交换机，执行命令: ipaddrshow 再次确认管理口IP地址；
4、用串口线登陆，运行"hareboot"命令，执行完命令后，管理口恢复正常，可以ping 通，问题解决。
说明：只是进行交换机内部主/备分区的切换，不影响生产。
2、在Linux下收集交换机日志
[root@localhost ~]# ssh admin@192.168.10.84 | tee /192.168.10.84.log
admin@192.168.10.84's password:
Please change passwords for switch default accounts now.
Use Control-C to exit or press 'Enter' key to proceed.
Password was not changed. Will prompt again at next login
until password is changed.
LB-SW2:admin> supportshow
# 详情省略 。。。
db 0/0/0 dbg set extshow filter 1 :
Changing filterportshow output old: Brief(0), new: Extended(1)
Command Completed
Fri Sep 3 08:30:30 UTC 2021
**** End start_fc_port_cmd group ****
**** Begin start_enclosure_cmd group ****
Fri Sep 3 08:30:31 UTC 2021
ENCLOSURE INFO: MODEL Not supported on this platform UNIT ID Not supported on this platform LOCATION Not supported on this platform
Fri Sep 3 08:30:32 UTC 2021
**** End start_enclosure_cmd group ****
Please run supportSave if you wish to collect more support information and FTP them off the switch
LB-SW1:admin> exit
logout
Connection to 192.168.10.83 closed.
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