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Fat AP and Cloud AP V200R010C00 Command Reference

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arp-suppress enable

arp-suppress enable

Function

Using the arp-suppress enable command, you can enable ARP suppression.

Using the undo arp-suppress command, you can disable ARP suppression.

By default, ARP suppression is disabled but is enabled on VLANIF interfaces.

Format

arp-suppress enable

undo arp-suppress

Parameters

None

Views

System view

Default Level

2: Configuration level

Usage Guidelines

If the system receives a great number of ARP packets from the same source at a time, it needs to update ARP entries repeatedly, causing performance deterioration. To ensure system performance, you can enable ARP suppression. The system then only responds to ARP Request packets but does not update ARP entries.

If ARP suppression is enabled for all interfaces, ARP entries on some interfaces cannot be updated temporarily. ARP suppression is applicable to only VLANIF interfaces. By default, it always takes effect on VLANIF interfaces. It can be configured on other logical interfaces.

After the undo arp-suppress command is executed, ARP suppression is enabled only on VLANIF interfaces.

Example

# Enable ARP suppression.

<Huawei> system-view
[Huawei] arp-suppress enable
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Updated: 2019-11-21

Document ID: EDOC1100064352

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