双击设备
    reset saved-configuration 就搞定。提示选择”YES”就可以了。
    reset save-configration按Y确认，然后reboot重启时会提示是否保存配置一定要选N（第一次按N），否则的话配置有被保存了，重启后你会发现配置还在。

    1. <H3C>reset saved-configuration  //清空配置
    2. 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。
    3. Configuration file in flash: is being cleared. Please wait ... 
    4. MainBoard:
    5.  Configuration file is cleared.  //配置已被清空
    6. <H3C>reboot  //重启
    7. Start to check configuration with next startup configuration file, please wait.........DONE!
    8.  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
    9. 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