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Troubleshooting Guide

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

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Troubleshooting Procedure

Troubleshooting Procedure

After commands are configured to troubleshoot faults, pay attention to the configuration validation mode to ensure that the configurations take effect. Unless otherwise specified, this manual defaults to the two-phase validation mode.

  • In immediate validation mode, the configuration takes effect immediately after you run a command and press Enter.
  • In two-phase validation mode, you must run the commit command after commands are configured to commit the configuration.

Save the results of each troubleshooting step, so you can provide related information to Huawei technical support if your troubleshooting fails.


  1. Check the interface type.

    Run the display this command in the interface view to check the interface type.

    • If no interface type is displayed, the default access is used. Run the port link-type command to change the interface type to trunk or hybrid.

    • If the interface type is trunk or hybrid, go to Step 2.

  2. Check whether the interface is added to a non-TRILL VLAN.

    Run the display this command in the interface view to check configurations on the interface.

    • If the interface is added to a non-TRILL VLAN, delete the VLAN.

    • If the interface is not added to a non-TRILL VLAN, go to Step 3.

  3. Collect the following information and contact technical support personnel.

    • Results of the preceding troubleshooting procedure
    • Configuration files, log files, and alarm files of the devices

Updated: 2020-01-07

Document ID: EDOC1000060766

Views: 607014

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