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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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Setting the Aging Time of Dynamic MAC Address Entries

Setting the Aging Time of Dynamic MAC Address Entries


To prevent explosive increase of MAC address entries, set the aging time for dynamic MAC address entries.

Because the network topology changes frequently, the industrial switch router will learn more and more MAC addresses. Therefore, the aging time needs to be set properly for dynamic MAC address entries so that the industrial switch router can delete unneeded MAC address entries to prevent a sharp increase of MAC address entries. A shorter aging time makes the industrial switch router more sensitive to network changes and is applicable to networks where network topology changes frequently. A longer aging time makes the industrial switch router more insensitive to network changes and is only applicable to stable networks.


  1. Run:


    The system view is displayed.

  2. Run:

    mac-address aging-time aging-time

    The aging time is set for dynamic MAC address entries.

Checking the Configuration

Run the display mac-address aging-time command to view the aging time of dynamic MAC address entries.

Updated: 2019-05-25

Document ID: EDOC1000097279

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