<H3C>reset saved-configuration   //清空交换机配置

The saved configuration file will be erased. Are you sure? [Y/N]:y   //设备提示保存的配置将会被删除，是否继续。

Configuration file in flash: is being cleared. Please wait ... 

MainBoard:

 Configuration file is cleared.   //配置已被清空

<H3C>reboot   //重启交换机

Start to check configuration with next startup configuration file, please wait.........DONE!

 Current configuration may be lost after the reboot, save current configuration? [Y/N]:n   //设备提示会在重启后丢失当前配置，是否保存当前配置，选择n

This command will reboot the device. Continue? [Y/N]:y   //设备提示设备将会重启，是否继续，选择Y

Now rebooting, please wait... 

%Dec 14 20:48:39:352 2019 SW1 DEV/5/SYSTEM_REBOOT: System is rebooting now. 

重启完成后再检查配置文件就会发现已经成功恢复出厂设置了。