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CX920 Switch Module V100R001 User Guide 09
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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).
Logging In to the CX920 BIOS

Logging In to the CX920 BIOS

Log in to the BIOS of the CX920 through the serial port or using SOL. The BIOS is used to debug the CX920.

  • If the software version of the switching plane is earlier than 6.30, log in to the switching plane CLI through the serial port and then access the BIOS. There is no other way to access the BIOS. If the software version of the switching plane is 6.30 or later, log in to the switching plane CLI over SOL or serial port and then access the BIOS.
  • For the switching plane versions from 6.30 to 6.53 (excluding 6.53), if you access the switching plane CLI over SOL and then the BIOS, the operations such as changing the password and system upgrade through disk formatting cannot be performed on the BIOS. These operations are supported on the BIOS from switching plane version 6.53.

The BIOS initializes hardware, such as serial ports or dual in-line memory modules (DIMMs), reads the kernel image from the flash memory to the random access memory (RAM), and starts the operating system (OS). In the BIOS, you can load underlying software and debug underlying devices.

The 40GE switching plane and 10GE switching plane use the same procedure. The following procedure uses the 10GE switching plane as an example.

Prerequisites

Data

Password for logging in to the BIOS of the CX920.

Procedure

  1. Log in to the 10GE switching plane CLI through the serial port or using SOL. For details, see Logging In to the CLI of Each Switching Plane.
  2. Log in to the CX920 BIOS.

    1. Run the following command on the CLI of the 10GE switching plane or 40GE switching plane to restart the 10GE switching plane or 40GE switching plane:

      <HUAWEI> reboot

      The command output is as follows:

      Warning: Current configuration will be saved to the next startup saved-configuration file! Continue? [Y/N]:

      Enter Y to save the configuration. The command output is as follows:

      Now saving the current configuration.                                            
      Save the configuration successfully.                                             
                                                                                       
      begin synchronize configuration to SMM ...                                       
      slot 4: configuration is the same with SMM, needn't sync to SMM.                                
                                                                                       
      System will reboot! Continue? [Y/N]:     

      Enter Y to restart the 10GE switching plane or 40GE switching plane.

    2. Press Ctrl+B when the system displays Press CTRL+B to enter BIOS menu.

      The command output is as follows:

      Password:
    3. Enter the BIOS login password.

      The BIOS menu screen is displayed:

      Enter your choice(1-9):                                                          
                                                                                       
              BIOS Menu (Version: 2.42)                                                
                                                                                       
           1. Continue to boot                                                         
           2. Update from serial interface                                             
           3. Update from ethernet interface                                           
           4. Modify startup parameters                                                
           5. File system                                                              
           6. Modify BIOS password                                                     
           7. Modify console password                                                  
           8. Rollback from VRPv8 to VRPv5                                             
           9. Reboot 
    4. Perform an operation on the menu based on service requirements.

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Updated: 2019-12-04

Document ID: EDOC1000170901

Views: 24890

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