设备的BootROM提供了清除Console口密码的功能可以在用户使用Console口登录的时候跳过密码检查。这样系统启动后除了不需要输入Console密码外与正常启动相同也会完成所有配置加载。设备启动后重新配置验证方式和Console口密码然后保存配置。1.用串口线连接设备然后重启。当出现“Press CtrlB to enter BootROM menu...”V200R002及V200R003版本或者“Press CtrlB or CtrlE to enter BootROM menu ...”V200R005及以后发布的版本打印信息时按下“CtrlB”或者“CtrlE”并键入密码缺省为“Adminhuawei.com”V100R006C03之前版本可能为“huawei”进入BootROM主菜单。2.清除Console口登录密码。BootROM MENU1. Boot with default mode2. Enter serial submenu3. Enter startup submenu4. Enter ethernet submenu5. Enter filesystem submenu6. Modify BootROM password7. Clear password for console user8. Reboot(Press CtrlE to enter diag menu)Enter your choice(1-8):7 //输入按钮7Note: Clear password for console user? Yes or No(Y/N):y //按回车Clear password for console user successfully. Choose 1 to boot, then set a new password.Note: Do not choose 8. Reboot or power off the device, otherwise this operation will not take effect.3.根据设备的提示在BootROM主菜单下选择“1”启动设备。4.完成系统启动后通过Console口登录时不需要认证登录后配置Console口密码以修改为密码认证并修改密码为“huawei123”为例。HUAWEIsystem-view[HUAWEI]user-interface console 0[HUAWEI-ui-console0]authentication-mode password[HUAWEI-ui-console0]set authentication password cipher huawei123[HUAWEI-ui-console0]return5.为了防止重启后配置丢失保存配置。HUAWEIsaveThe current configuration will be written to the device.Are you sure to continue?[Y/N]yNow saving the current configuration to the slot 0.Save the configuration successfully.