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Fat AP and Cloud AP V200R010C00 Command Reference

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icmp rate-limit enable

icmp rate-limit enable


The icmp rate-limit enable command enables the rate limit function for ICMP packets.

The undo icmp rate-limit enable command disables the rate limit function for ICMP packets.

By default, the rate limit function for ICMP packets is disabled.


icmp rate-limit enable

undo icmp rate-limit enable




System view, GE interface view, MultiGE interface view, XGE interface view

Default Level

2: Configuration level

Usage Guidelines

A network often undergoes ICMP packet attacks. If a switch receives a large number of broadcast ICMP request packets on user-side interfaces, these packets are sent to the switch CPU for processing. Then the CPU usage becomes high, affecting other services on the switch. You can use the icmp rate-limit command to prevent the switch from being attacked by ICMP packets.

After you run the icmp rate-limit enable command in the system view or interface view, the device limits the rate of ICMP packets by the default rate limit.

You can then run the icmp rate-limit command in the system view or interface view to configure a rate limit for ICMP packets.


# Enable the rate limit function for ICMP packets.

<Huawei> system-view
[Huawei] icmp rate-limit enable
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Updated: 2019-11-21

Document ID: EDOC1100064352

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