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CLI-based Configuration Guide - Ethernet Switching

AR650, AR1600, and AR6100 V300R003

This document describes how to configure the components for LAN services, including link aggregation groups, VLANs, voice VLANs, MAC address tables, transparent bridging, as well as GVRP, STP/RSTP, and MSTP protocols.
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Setting the Aging Time of Dynamic MAC Address Entries

Setting the Aging Time of Dynamic MAC Address Entries

Context

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

Because the network topology changes frequently, the 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 router can delete unneeded MAC address entries to prevent a sharp increase of MAC address entries. A shorter aging time makes the router more sensitive to network changes and is applicable to networks where network topology changes frequently. A longer aging time makes the router more insensitive to network changes and is only applicable to stable networks.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run mac-address aging-time aging-time

    The aging time is set for dynamic MAC address entries.

Verifying the Configuration

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

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Updated: 2019-04-12

Document ID: EDOC1100041791

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