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MM910 Management Module V100R001 User Guide 24

This document provides the product description, installation and configuration methods, and common operations of the E9000 server chassis management module MM910.
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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).
Changing the U-Boot Initial Password

Changing the U-Boot Initial Password

Scenarios

Change the U-Boot initial password on the active and standby MM910s.

When changing the initial password for accessing the U-Boot, log in to the MM910 CLI over the serial port, instead of SSH.

NOTE:
  • Ensure that the password complexity check is enabled. The password complexity check is enabled by default.
  • For security purposes, change the initial password upon the first login, and then change the password regularly.

U-Boot is used to initialize hardware, such as serial ports and dual in-line memory modules (DIMMs), read the kernel image from the flash memory to the random access memory (RAM), and start the OS.

Prerequisites

Conditions

None.

Data

Table 4-14 Default user name and password

Type

Default User Name and Password

Description

U-Boot

Initial password: Huawei12#$

Enter the password to access U-Boot. U-Boot has no user name.

Procedure

  1. Log in to the CLI of the active MM910 over the serial port.

    For details, see Logging In to the MM910 CLI.

  2. Change the initial U-Boot password of the active MM910.

    1. Restart the MM910.

      reboot

      The following information is displayed:

      This command will reboot SMM board. Continue? [Y/N]:
    2. Type Y and press Enter.

      The MM910 restarts.

    3. Press Ctrl+B when the message "Type 'ctrl+b' to enter uboot before os load during uboot start" is displayed.

      The following information is displayed:

      Net: eTSEC1(Marvell 88E1512), eTSEC2(SGMII), eTSEC3(SGMII) 
       
      Enter password:
    4. Enter the password for logging in to the U-Boot.

      The default password is Huawei12#$.

      The U-Boot menu is displayed.

      ************************************************************************ 
       
      '0' -----load  fpga cramfs from tftp server and save them to flash, then boot 
      '1' -----load  fpga from tftp server and save them to flash, then boot 
      '2' -----load  fpga from flash, but not save ,then boot 
      '3' -----load  cpld from tftp server and save it to flash, then reset 
      '4' -----set  boot_params(server ip, board ip) 
      '5' -----show boot_params(server ip, board ip) 
      '6' -----load cramfs from tftp server and save them to flash 
      '7' -----load uboot over serial(xmodem) and save it to flash 
      '8' -----load cramfs over serial(xmodem) and save it to flash 
      '9' -----load uboot from tftp server and save them to flash 
      'a' -----enter command console 
      'b' -----show this menu 
      'c' -----load app over serial(xmodem) and save it to flash 
      'd' -----load app from tftp server and save it to flash 
      'e' -----load uboot over serial(xmodem) and save it to bak flash. 
      'f' -----change uboot password. 
       
       
      ************************************************************************ 
       
       
      $>
      NOTE:

      For details about the MM910 U-Boot commands, see MM910 U-Boot Commands. If you type ? or help and press Enter, the help information about all MM910 U-Boot commands is displayed.

    5. Type f and press Enter.

      The following information is displayed:

      Enter old password:
    6. Enter the initial password and press Enter.

      The following information is displayed:

      Enter new password:
    7. Enter a new password and press Enter.

      The following information is displayed:

      Enter the new password again:
    8. Enter the new password again and press Enter.

      If the following information is displayed, the password is successfully changed:

      . done Erased 1 sectors 9....8....7....6....5....4....3....2....1.... password be changed successfully.

  3. Change the U-Boot initial password of the standby MM910.

    1. Log in to the CLI of the standby MM910. For details, see Logging In to the MM910 CLI.
    2. Repeat 2.a to 2.h to change the U-Boot initial password.

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Updated: 2019-04-10

Document ID: EDOC1000015900

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