3.2  重启后按Ctrl+B进入bootrom界面

  重启的时候按住Ctrl+B进入设备的bootroom菜单，以下标黑部分为设备自动打印部分，标红加粗的命令是需要手动操作

System is starting...

Press Ctrl+D to access BASIC-BOOTWARE MENU

Booting Normal Extend BootWare

The Extend BootWare is self-decompressing..........................Done!

****************************************************************************

*                                                                          *

*                 H3C S5500V2-24P-SI BOOTROM, Version 147                        *

*                                                                          *

***************************************************************************

Copyright (c) 2004-2017 New H3C Technologies Co., Ltd.

Creation Date       : Apr  5 2017, 12:55:45

CPU Clock Speed     : 1000MHz

Memory Size         : 1024MB

Flash Size          : 512MB

CPLD Version        : 002

PCB Version         : Ver.B

Mac Address         : 9c061b804338

 BootWare Validating...

Press Ctrl+B to enter extended boot menu...  //按Ctrl+B

BootWare password: Not required. Please press Enter to continue.  //按ENTER

1. Download image to flash

2. Select image to boot

3. Display all files in flash

4. Delete file from flash

5. Restore to factory default configuration

6. Enter BootRom upgrade menu

7. Skip current system configuration

8. Set switch startup mode

0. Reboot

Ctrl+Z: Access EXTENDED ASSISTANT MENU

Ctrl+F: Format file system

Ctrl+P: Change authentication for console login

Ctrl+R: Download image to SDRAM and run

Ctrl+C: Display Copyright

Enter your choice(0-8): 1  //选择1下载镜像文件到flash

1. Set TFTP protocol parameters

2. Set FTP protocol parameters

3. Set XMODEM protocol parameters   

0. Return to boot menu

Enter your choice(0-3): 3     //选择3修改改串口参数

Please select your download baudrate:

1.* 9600

2.  19200

3.  38400

4.  57600

5.  115200

0.  Return to boot menu

Enter your choice(0-5): 5     //选择5修改波特率为115200

Download baudrate is 115200 bps

Please change the terminal"s baudrate to 115200 bps and select XMODEM protocol

Press enter key when ready

3.3  修改管理软件波特率

 修改管理软件波特率波特率为115200,保持设备和管理软件波特率一致,点击“选项”—“会话选项”

回车重新进入到bootrom界面

Are you sure to download file to flash? Yes or No (Y/N):Y

Now please start transfer file with XMODEM protocol

If you want to exit, Press <Ctrl+X>

Loading ...CCCCCC

点击管理软件中的“传输-“发送Xmodem”，选中版本存放路径

等待版本传输完成，按“0” 退回上级目录

1. Download image to flash

2. Select image to boot

3. Display all files in flash

4. Delete file from flash

5. Restore to factory default configuration

6. Enter BootRom upgrade menu

7. Skip current system configuration

8. Set switch startup mode

0. Reboot   

Enter your choice(0-8): 0  //按0重启设置

                                                |

4 实验结果验证

重启后进入命令行，输入dis version查看升级后版本

<H3C>dis version

H3C Comware Software, Version 7.1.070, Release 3208P03

Copyright (c) 2004-2017 New H3C Technologies Co., Ltd. All rights reserved.

H3C S5500V2-24P-SI uptime is 0 weeks, 0 days, 0 hours, 2 minutes

Last reboot reason : Cold reboot