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Fit AP V200R010C00 Command Reference

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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).
mac-address aging-time

mac-address aging-time

Function

The mac-address aging-time command sets the aging time of dynamic MAC address entries.

The undo mac-address aging-time command restores the default aging time of dynamic MAC address entries.

By default, the aging time of dynamic MAC address entries is 300 seconds.

Format

mac-address aging-time aging-time

undo mac-address aging-time

Parameters

Parameter

Description

Value

aging-time

Specifies the aging time of dynamic MAC address entries.

The value is 0 or an integer that ranges from 60 to 65535, in seconds. The default value is 300. The value 0 indicates that dynamic MAC address entries will not be aged out.

Views

System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

The network topology changes frequently, and the wireless access point will learn many MAC addresses. You can run the mac-address aging-time command to set a proper aging time for dynamic MAC address entries so that aged MAC address entries are deleted from the MAC address table. This reduces MAC address entries in the MAC address table.

The system starts an aging timer for each dynamic MAC address entry. If a dynamic MAC address entry is not updated within a certain period (twice the aging time), the entry is deleted. If the entry is updated within this period, the aging timer of this entry is reset. If the aging time is short, the wireless access point is sensitive to network changes.

When setting the aging time of dynamic MAC address entries, follow these rules:

  • Set a longer aging time on a stable network and a shorter aging time on an unstable network.
  • The capacity of the MAC address table on a low end device is small; therefore, set a relatively short aging time on low end devices to save the MAC address table space.

Precautions

If the aging time is 0, dynamic MAC addresses will not be aged out. In this case, MAC address entries increase sharply and the MAC address table will be full quickly.

If you run the mac-address aging-time command multiple times, only the latest configuration takes effect.

Dynamic MAC address entries are lost after system restart. Static MAC address entries and blackhole MAC address entries are not aged or lost.

Example

# Set the aging time of dynamic MAC address entries to 500 seconds.

<Huawei> system-view
[Huawei] mac-address aging-time 500
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Updated: 2019-07-18

Document ID: EDOC1100064353

Views: 128237

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