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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).
Why Do MAC Address Entries Need to Be Synchronized Between Boards and What Are the Functions of Real-Time Synchronization and Periodic Synchronization?

Why Do MAC Address Entries Need to Be Synchronized Between Boards and What Are the Functions of Real-Time Synchronization and Periodic Synchronization?

Synchronizing MAC address entries ensures that most Layer 2 packets are forwarded based on MAC addresses, reducing broadcasts.

The functions of real-time synchronization and periodic synchronization are:

  • Real-time synchronization responds to MAC address changes quickly, but packet loss may occur during synchronization due to the limited processing capacity of the system.

  • Periodic synchronization synchronizes MAC address entries at an interval of several seconds. It works with real-time synchronization to ensure that all MAC addresses are synchronized and prevents aging of MAC address entries synchronized from other boards.

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Updated: 2019-05-10

Document ID: EDOC1000079719

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