1.華爲交換機配置清空
在全局配置界面：
reset save-configuration
reboot
2.交換機控制口密碼清除
（1）用電腦連接交換機的console口，並用CRT遠程。
（2）重啓交換機，按“Ctrl+B”進入 Boot Menu，會出現
1: Download application program with XMODEM 2: Download application program with NET 3: Set application file type 4: Display applications in Flash 5: Clear application password 6: Start up and ignore configuration 7: Enter debugging environment 8: Boot Rom Operation Menu 9: Do not check the version of the software a: Exit and reboot
Enter your choice(1-a): 選擇5後選擇a重啓路由器
3.控制口連接