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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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Changed BFD Session Parameters Do Not Take Effect

Changed BFD Session Parameters Do Not Take Effect

Common Causes

This fault is commonly caused by the following:
  • After parameters of a BFD session have been changed, changed configurations are not committed.

Troubleshooting Flowchart

Figure 23-5  Troubleshooting flowchart for the fault that the changed BFD session parameters do not take effect

Troubleshooting Procedure



Save the results of each troubleshooting step. If your troubleshooting fails to correct the fault, you will have a record of your actions to provide Huawei technical support personnel.


  1. Run the display current-configuration configuration bfd-session command to check that the commit command is configured.

    • If the commit command is configured, the changed BFD session parameters have been committed. Then, go to Step 3.

    • If the commit command is not configured, the changed BFD session parameters have not been committed. Then, run the commit command, and then go to Step 2.

  2. Run the display bfd session all command check whether the BFD session parameters are specified values.

    • If BFD session parameters are specified, the modified parameters take effect.

    • If BFD session parameters are not specified, go to Step 3.

  3. If the fault persists, 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: 2019-05-10

Document ID: EDOC1000079719

Views: 450742

Downloads: 4309

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