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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).


During device operation, the log module records operations and events on the device. The recorded operations and events are log messages.

The generated logs can be viewed through the Console port or Telnet, or stored to the log server through the syslog protocol.

The syslog protocol is transmitted through UDP port 514. Any UDP datagram on port 514 is recorded in the log.

Logs can be viewed in two ways:
  • Display logs on the GUI of the NMS.
  • Run the display logbuffer [ size value | module module-name | level severity ]* command to view logs in the log buffer.
Updated: 2019-05-10

Document ID: EDOC1000079719

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