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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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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 Board Fails to Be Registered

A Board Fails to Be Registered

Common Causes

This fault is commonly caused by one of the following:

  • The board is starting.
  • The board was reset.

Troubleshooting Flowchart

The troubleshooting roadmap is as follows:
  • Check whether the board is starting.
  • Check whether the board is in an unregistered state after the board has finished startup.
  • Check whether the board was reset. If the board was reset, locate the cause.

Figure 12-1 shows the troubleshooting flowchart.

Figure 12-1  A board fails to be registered

Troubleshooting Procedure

NOTE:

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

Procedure

  1. Check whether the board is starting.

    A board takes several minutes to complete registration after power-on. This period is called the startup time. The startup times for specific boards are follows:

    • The startup time of the SRU is less than 3 minutes. If the device restarts after the system software is upgraded, the startup time is less than 5 minutes.
    • The startup time of an LPU is less than 5 minutes. If the LPU needs to synchronize an update from the SRU, the startup time is less than 10 minutes.

    • If the board is still within its startup time, wait until it starts.

    • If the board has exceeded its startup time, run the display device command to check the board status. If the Register field of the board is displayed as Unregistered, go to step 2.

  2. Check whether the board was reset.
    • Run the display reset-reason [ slot slot-id ] command. If no information about board resetting is displayed, the board has never been registered. Connect the board to a terminal with a serial cable and check whether the system software has been loaded to the board correctly. For details, see Board Software Loading Troubleshooting.

    • If information about board resetting is displayed, rectify the fault according to the instructions in the command output.

      If the fault persists, go to step 3.

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

    • Results of the preceding troubleshooting procedure
    • Configuration file, log file, and alarm file of the AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600

Relevant Alarms and Logs

Relevant Alarms

None.

Relevant Logs

None.

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Updated: 2019-05-10

Document ID: EDOC1000079719

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