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Configuration Guide - Basic Configuration

S1720, S2700, S5700, and S6720 V200R011C10

This document describes methods to use command line interface and to log in to the device, file operations, and system startup configurations.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
BootROM Main Menu

BootROM Main Menu

The BootROM main menu integrates main functions of the BootROM program.

During startup, the device loads the BootROM program and then the system software. Press Ctrl+B or Ctrl+E within three seconds when the following information is displayed to enter the BootROM main menu:
Press Ctrl+B or Ctrl+E to enter BootROM menu : 2

password:      //Enter the BootROM password.

To prevent unauthorized users from accessing the BootROM main menu, users are required to enter a password. By default, the BootROM main menu is, and the password may be huawei on a device that has been upgraded to the current version from an earlier one. You can change the BootROM main menu password following the procedure in Submenu for Changing the Password of the BootROM Menu or using the bootrom password change command.


If a user enters incorrect BootROM passwords three consecutive times, the device will restart.

To ensure device security, change the password periodically.

If you press Ctrl+T when the device displays "Start memory Test ? ('Ctrl+T' is test):" during device startup, the device will perform a memory check.

When the correct BootROM password is entered, the BootROM main menu is displayed as follows:
          BootROM  MENU

    1. Boot with default mode
    2. Enter serial submenu
    3. Enter startup submenu
    4. Enter ethernet submenu
    5. Enter filesystem submenu
    6. Enter password submenu
    7. Clear password for console user
    8. Reboot
    (Press Ctrl+E to enter diag menu) 

Enter your choice(1-8): 
Table 10-1  Description of the BootROM main menu



1. Boot with default mode

Starts the device with the default mode without the BootROM reboot phase.

Select this option when fast device startup is required or when the operations in the BootROM menu do not involve the BootROM program.

2. Enter serial submenu

Enters the serial port submenu. In this submenu, you can download files through the serial port to the flash memory and upgrade the BootROM program.

Advantage: The serial port can be directly connected without being configured. Disadvantage: The file transfer rate is slow.

3. Enter startup submenu

Enters the startup submenu. In this submenu, you can check or modify startup configurations.

4. Enter ethernet submenu

Enters the Ethernet submenu. In this submenu, you can download files to the flash memory through the Ethernet port or back up configuration files.

Advantage: The file transfer rate is fast. Disadvantage: The network parameters and file server must have been configured to ensure reachable routes between the device and server.

5. Enter filesystem submenu

Enters the file system submenu. In this submenu, you can manage and maintain the file system.

6. Enter password submenu

Enters the password submenu. In this menu, you can change the BootROM password or restore the default BootROM password.

7. Clear password for console user

Deletes the password for login through the console port. If the password for login through the console port is lost or forgotten, you can use this function to delete the password.

8. Reboot

Restarts the BootROM by selecting 8. Reboot and starts other components when parameter modification affects device initialization.

(Press Ctrl+E to enter diag menu)

Press Ctrl+E to enter the diagnosis menu. For details about the diagnosis menu, see BootROM Menu Overview in S1720, S2700, S5700, and S6720 Series Ethernet Switches Troubleshooting.

Shortcut key

The BootROM menu provides two shortcut keys: Ctrl+M and Ctrl+J. The functions of the shortcut keys are as follows:

Ctrl+M and Ctrl+J: The two shortcut keys can be used in any BootROM menu to provide functions similar to Enter.

Updated: 2019-10-21

Document ID: EDOC1000178166

Views: 277206

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