这里需要注意的是：由于选择2. Update system software with disk format会同时格式化CF卡，在没有备份配置文件的情况下可能会导致配置文件丢失，故此处也可以选择1. Update system software，但上传新配置文件时需注意不要与旧配置文件重名。
当系统重新启动出现“Please Press ENTER.”表明系统已经空配置启动成功。
Please Press ENTER.//此时系统已经空配置启动
单击回车后，设置新的console口登录密码，然后即可登录到设备上。
Please configure the login password (8-16)
Enter Password:
Confirm Password:
Info: Save the password now. Please wait for a moment. |/|/|/
Info: System is busy now. Please try later.
User interface con0 is available
Please Press ENTER.
Password:
Info: The max number of VTY users is 15, the number of current VTY users online is 0, and total number of terminal users online is 1.
