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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).
anti-attack icmp-flood car

anti-attack icmp-flood car

Function

The anti-attack icmp-flood car command sets the rate limit of ICMP flood attack packets.

The undo anti-attack icmp-flood car command restores the default rate limit of ICMP flood attack packets.

By default, the rate limit of ICMP flood attack packets is 155000000 bit/s.

Format

anti-attack icmp-flood car cir cir

undo anti-attack icmp-flood car

Parameters

Parameter

Description

Value

cir cir

Specifies the committed information rate (CIR) of ICMP flood attack packets.

The value is an integer that ranges from 8000 to 155000000, in bit/s.

Views

System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

After defense against ICMP flood attacks is enabled, run the anti-attack icmp-flood car command to set the rate limit of ICMP flood attack packets. If the rate of received ICMP flood attack packets exceeds the rate limit, the device discards excess ICMP flood attack packets to ensure that its CPU works properly.

Prerequisites

Defense against ICMP flood attacks has been enabled using the anti-attack icmp-flood enable command.

Example

# Set the rate limit of ICMP flood attack packets to 8000 bit/s.

<Huawei> system-view
[Huawei] anti-attack icmp-flood enable
[Huawei] anti-attack icmp-flood car cir 8000
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Updated: 2019-07-18

Document ID: EDOC1100064353

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