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X6800 Server V100R003 User Guide 13

This document describes the Huawei X6800 server (X6000 for short) in terms of its appearance, features, specifications, system components, device installation, cable connections, and installation verification.
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Changing the Initial Password for the iBMC U-Boot

Changing the Initial Password for the iBMC U-Boot


Log in to the Server Node over a serial port and change the initial password for the iBMC U-Boot to improve operation and maintenance (O&M) security.

  • The system enables the password complexity check function by default.
  • A simple password is easy to crack and makes the system vulnerable. You are advised to use a password that meets complexity requirements or to enable the password complexity check function.
  • To ensure system security, change the initial password at the first login and change the password periodically.

The iBMC U-Boot is a piece of underlying software that is used to configure basic settings, for example, initializing hardware devices and setting up memory space mapping, to prepare for commissioning the OS.

Impact on the System

This operation has no adverse impact on the system.



You have logged in to the server node over a serial port. For details, see Logging In to a Server Over a Serial Port by Using PuTTY.


Default password for the iBMC U-Boot: Huawei12#$


  1. Run the following command to restart the iBMC on the Server Node:

    iBMC:/->ipmcset -d reset

    The command output is as follows:

    This operation will reboot IPMC system. Continue? [Y/N]:
  2. Enter y.

    The system restarts.

  3. Press Ctrl+B immediately when the system displays the message "Hit 'ctrl + b' to stop autoboot: 1."
  4. Enter the default password Huawei12#$ for the iBMC U-Boot.

    The following command output indicates that you are logged in to the U-Boot.

  5. Run the following command to change the U-Boot password:

    u-boot> passwd

    The command output is as follows:

    Enter old password:
  6. Enter the old password.

    The command output is as follows:

    Enter new password:
  7. Enter a new password.

    The command output is as follows:

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

    If the command output is as follows, the password has been changed:

    . done 
    Un-Protected 1 sectors 
    Erasing Flash... 
    . done 
    Erased 1 sectors 
    Writing to Flash... done 
    . done 
    Protected 1 sectors 
    password be changed successfully.
  9. Run the following command to exit the U-Boot:


Updated: 2018-09-06

Document ID: EDOC1000066339

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