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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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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).
Overview

Overview

This section describes the definition, and functions of traffic suppression.

Definition

Traffic suppression security technologies to control broadcast packets, multicast packets, and unknown unicast packets and prevent broadcast storms caused by these packets.

Traffic suppression limits the traffic by setting a threshold.

NOTE:
Unknown unicast packets refer to unicast packets whose destination MAC addresses are not learned by the device.

Purpose

When receiving broadcast packets, multicast packets, and unknown unicast packets, the device forwards the packets to other Layer 2 Ethernet interfaces in the same VLAN if the device cannot determine the outbound interface based on destination MAC addresses of packets. In this case, broadcast storms may occur on the network and forwarding performance of the device deteriorates.

Traffic suppression can control these packets and prevent broadcast storms.

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Updated: 2019-01-11

Document ID: EDOC1000176006

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