5-4
Task Remarks
Restart the switch to make the updated Boot
ROM file effective
Required
1) Enter the Boot ROM update menu on the switch
Enter the Boot ROM menu, and then enter 6 or press Ctrl + U after the system displays “Enter your
choice(0-9):” to enter the Boot ROM update menu.
Bootrom update menu:
1. Set TFTP protocol parameter
2. Set FTP protocol parameter
3. Set XMODEM protocol parameter
0. Return to boot menu
Enter your choice(0-3):
2) Configure the switch to download files using XMODEM
Enter 3 in the above menu to load the Boot ROM and host software using XMODEM protocol. The
system displays the following download baud rate setting menu:
Please select your download baudrate:
1.* 9600
2. 19200
3. 38400
4. 57600
5. 115200
0. Return
Enter your choice (0-5):
3) Set the download rate of the console port on the switch
Select an appropriate download rate. For example, if you select 115200 bps, that is, enter 5, the
following information is displayed:
Download baudrate is 115200 bps
Please change the terminal's baudrate to 115200 bps and select XMODEM protocol
Press enter key when ready
Now that the console communication baud rate of the switch has been changed to 115200 bps while
that of the terminal is still 9600 bps, the two sides cannot communicate with each other. According to the
prompt, you need to change the baud rate of the terminal to 115200 bps.
If you have chosen 9,600 bps, you do not need to modify the HyperTerminal’s baud rate, and therefore
you can skip step 4) below and proceed to step 5) directly.
4) Change the rate of the serial port on the terminal
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