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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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Checking the Device Running Status

Checking the Device Running Status

A router's running status includes board running status, resetting information, and device temperature.

NOTE:

The following check methods apply to all views, unless otherwise specified.

No.

Check Item

Command

Criteria

Result

1

Boards running status

Run the display device command.

The boards are in service and the running status is normal.
  • The value of "Online" should be "Present."

  • The value of "Power" should be "PowerOn."

  • The value of "Register" should be "Registered."

  • The value of "Alarm" should be "Normal."

□ Satisfied

□ Unsatisfied

□ Not involved

2

Resetting

Run the display reset-reason command in the diagnosis view.

The resetting information, including resetting time and service type, shows that no abnormal resetting occurs.

□ Satisfied

□ Unsatisfied

□ Not involved

3

Device temperature

Run the display temperature all command.

The temperature of each module is between the upper limit and lower limit. That is, the value of "Temperature" is between "Upper" and "Lower".

□ Satisfied

□ Unsatisfied

□ Not involved

4

Fan status

Run the display fan command.

In the command output, the Present field displays YES.

□ Satisfied

□ Unsatisfied

□ Not involved

5

Power supply status

Run the display power command.

In the command output, the State field displays Supply.

□ Satisfied

□ Unsatisfied

□ Not involved

6

FTP port

Run the display ftp-server command.

The FTP port not in use is shut down.

□ Satisfied

□ Unsatisfied

□ Not involved

7

Alarms

Run the display alarm active command.

  • No alarm is generated.

  • If an alarm is generated, record it. If a major alarm or more serious alarm is generated, analyze and process it immediately.

□ Satisfied

□ Unsatisfied

□ Not involved

8

CPU usage

Run the display cpu-usage command.

The CPU usage of each module is normal. If the CPU usage exceeds 80%, find out the reason.

□ Satisfied

□ Unsatisfied

□ Not involved

9

Memory usage

Run the display memory-usage command.

The memory usage is normal. If the value of "Memory Using Percentage Is" exceeds 60%, find out the reason.

□ Satisfied

□ Unsatisfied

□ Not involved

10

Logs

  • Run the display logbuffer command.

  • Run the display trapbuffer command.

No abnormal information is displayed.

□ Satisfied

□ Unsatisfied

□ Not involved

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Updated: 2019-05-10

Document ID: EDOC1000079719

Views: 456547

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