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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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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).
A 40GE Interface Fails to Be Split into 10GE Interfaces or 10GE Interfaces Fail to Be Merged into A 40GE Interface

A 40GE Interface Fails to Be Split into 10GE Interfaces or 10GE Interfaces Fail to Be Merged into A 40GE Interface

Fault Description

A 40GE interface fails to be split into 10GE interfaces or 10GE interfaces fail to be merged into a 40GE interface.

Common Causes

  • Corresponding commands are not correctly configured.
  • The card is not restarted.

Troubleshooting Procedure

  • A 40GE interface fails to be split into 10GE interfaces.
    1. Run the display current-configuration command to check whether configuration information about port split is available. If not, run the port split dimension interface interface-type interface-number1 [ to interface-type interface-number2 ] command in the system view to split the 40GE interface into 10GE interfaces.
    2. Run the display port split command to check the current interface status. If the command output displays the following information, restart the card.
      <HUAWEI> display port split
      --------------------------------------------------------------------------------
      Port                   Status       Split-port                                  
      --------------------------------------------------------------------------------
      40GE1/0/1                     40GE1/0/1:1          40GE1/0/1:2            
                                          40GE1/0/1:3          40GE1/0/1:4            
      40GE1/0/2                     40GE1/0/2:1          40GE1/0/2:2            
                                          40GE1/0/2:3          40GE1/0/2:4  
  • 10GE interfaces fail to be merged into a 40 GE interface.
    1. Run the display current-configuration command to check whether configuration information about port split is available. If not, run the undo port split dimension interface interface-type interface-number1 [ to interface-type interface-number2 ] command in the system view to merge 10GE interfaces into the 40GE interface.
    2. Run the display port split command to check the current interface status. If the command output displays the following information, restart the card.
      <HUAWEI> display port split
      ----------------------------------------------------
      Port               Status         Split-port      
      ----------------------------------------------------
      40GE4/0/3                
      ----------------------------------------------------
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Updated: 2020-01-07

Document ID: EDOC1000060766

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