删除配置文件，重启设备方式恢复
#查看设备当前已存在的配置文件
Directory of flash:
0 -rw-
6244 Jan 08 2013 07:26:03 startup.cfg
1 -rw-
136628 Jan 08 2013 07:26:03 startup.mdb
2 -rw-
58704 Jan 03 2013 07:56:22 diag_H3C_20130103-005605.tar.gz
#删除配置文件
<H3C>delete /unreserved startup.cfg //删除startup.cfg 并在回收站不保留
The contents cannot be restored!!! Delete flash:/startup.cfg?[Y/N]:y
Deleting a file permanently will take a long time. Please wait...
.
%Delete file flash:/startup.cfg...Done.
#重启设备
Start to check configuration with next startup configuration file, please
wait.........DONE!
This command will reboot the device. Current configuration will be lost,
save current configuration? [Y/N]:n
This command will reboot the device. Continue? [Y/N]:y
当设备重新完成，那么设备就在出厂设置的状态
清除保存的配置，重启设备方式恢复
#清除已保存的配置
The saved configuration file will be erased. Are you sure? [Y/N]:Y
#重启设备
Start to check configuration with next startup configuration file, please
wait.........DONE!
This command will reboot the device. Current configuration will be lost,
save current configuration? [Y/N]:n
This command will reboot the device. Continue? [Y/N]:y