s3208olt交换机忘记console密码怎么恢复

串口登录密码忘记

S3208系列OLT忘记密码后需要通过boot菜单恢复

1、重启设备，在出现如下提示后按“A”进入boot菜单

    BootRom  version: V1.5.7

    Count down to auto-boot...

2、进入boot菜单后，选择“4”进入高级菜单

    Main menu

    1. Boot from FLASH

    2. Modify the MAC address

    3. Set the factory-default MAC address

    4. Advanced menu

    5. Download via serial

    6. Download via network interface (FTP)

    7. Modify and save boot configuration

    8. Display the boot configuration

    9. Set the product serial number

    0. Change language to Chinese (?D??μ??D??)

    Please enter your choice: 4

3、选择“4”后会提示输入密码，密码为“GnTiLsOK”，输入过程不会显示，输入完成后直接按回车键

password: GnTiLsOK

4、进入高级菜单后选择“2”恢复缺省管理员密码

    Advanced menu

    1. Erase all FLASH except the 512K of BootRom

    2. Resume the default password of administrator

    3. Upload via network interface (FTP)

    4. Initialize FLASH

    5. Download combinated file (filename: flash.bin) via network interface and save to FLASH

    6. Download combinated file (filename: flash.bin) via serial and save to FLASH

    h. Other choice

    Please enter your choice: 2

5、出现如下提示后说明缺省密码恢复成功，103版本之前恢复为123456，103及以后版本恢复为admin

    Resume default administrator password successfully

6、选择“h”返回上一级菜单

    Advanced menu

    1. Erase all FLASH except the 512K of BootRom

    2. Resume the default password of administrator

    3. Upload via network interface (FTP)

    4. Initialize FLASH

    5. Download combinated file (filename: flash.bin) via network interface and save to FLASH

    6. Download combinated file (filename: flash.bin) via serial and save to FLASH

    h. Other choice

    Please enter your choice: h

7、选择“r”返回上一级

    Other command :

    r                        Return

    w adrs                   Modify the content of FLASH

    @                        Download system file named sysfile and run

    l                        Download system file named sysfile

    g adrs                   Jump to address

    d adrs[,n]               Display memory/FLASH unit

    m adrs                   Modify memory

    e                        Print fatal exception

    f adrs, nbytes, value    Fill memory with the parameters

    t adrs, adrs, nbytes     Copy the memory with parameters

    Advanced menu

    1. Erase all FLASH except the 512K of BootRom

    2. Resume the default password of administrator

    3. Upload via network interface (FTP)

    4. Initialize FLASH

    5. Download combinated file (filename: flash.bin) via network interface and save to FLASH

    6. Download combinated file (filename: flash.bin) via serial and save to FLASH

    h. Other choice

    Please enter your choice: r

8、选择“1”重启设备

    Main menu

    1. Boot from FLASH

    2. Modify the MAC address

    3. Set the factory-default MAC address

    4. Advanced menu

    5. Download via serial

    6. Download via network interface (FTP)

    7. Modify and save boot configuration

    8. Display the boot configuration

    9. Set the product serial number

    0. Change language to Chinese (?D??μ??D??)

    Please enter your choice: 1

 

Loading H3C image...OK

Unarj H3C image...OK

    BootRom  version: V1.5.7

    Count down to auto-boot...

 0

    boot from flash...

Loading H3C image...OK

Unarj H3C image...OK

    _/_/_/_/_//    _/_/_/_/_/      _/_/_/_/_/     _//       _/

    _/             _/       _/    _/        _/    _/_/      _/

    _/             _/       _/    _/        _/    _/ _/     _/

    _/             _/       _/    _/        _/    _/  _/    _/

    _/_/_/_/_//    _/_/_/_/_/     _/        _/    _/   _/   _/

    _/             _/             _/        _/    _/    _/  _/

    _/             _/             _/        _/    _/     _/ _/

    _/             _/             _/        _/    _/      _/_/

    _/_/_/_/_//    _/              _/_/_/_/_/     _/       _//

 

Loading drivers..................................OK

Loading NVM......................................OK

Loading L2 applications..........................OK

Loading L3 applications..........................OK

Loading manager applications.....................OK

Config system ip ................................OK

Loading EPON applications........................OK

9、重启后出现如下提示 ，按“CTRL+C”不加载保存的配置文件

Ready to load startup-config, press ENTER to run or CTRL+C to cancel:

Stop to load startup-config.

Username(1-32 chars):admin

Password(1-16 chars):*****

<H3C>

至此设备缺省密码恢复成功。

由于恢复密码需要登录到boot高级菜单涉及超级密码，一般此密码不对外开放，建议由我司工程师协助客户远程完成恢复操作。