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Configuration Guide - Security

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Security, including ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, Port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, separating the management plane from the service plane, security risks.
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Configuring Traffic Suppression in a VLAN/BD

Configuring Traffic Suppression in a VLAN/BD


Excess broadcast, multicast and unknown unicast packets will cause broadcast storms. You can configure traffic suppression for a specified type of packet in a VLAN or a BD to limit the rate of these packets.

Pre-configuration Tasks

Before configuring traffic suppression in a VLAN or a BD, configure link layer protocol parameters for interfaces in the VLAN or a BD to ensure that the link layer protocol status on the interfaces is Up.


  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

    Or run bridge-domain bd-id

    The BD view is displayed.

  3. Run { storm suppression broadcast | storm suppression multicast | storm suppression unknown-unicast } cir cir-value [ gbps | mbps | kbps ] [ cbs cbs-value [ bytes | mbytes | kbytes ] ]

    Traffic suppression is configured in the VLAN or a BD.


    In the BD view, only the CE5880EI, CE6850HI, CE6850U-HI, CE6851HI, CE6855HI, CE6856HI, CE6857EI, CE6860EI, CE6865EI, CE6870EI, CE6875EI, CE6880EI, CE7850EI, CE7855EI, CE8850EI, CE8861EI, CE8868EI, and CE8860EI support this command.

  4. Run commit

    The configuration is committed.

Updated: 2019-04-20

Document ID: EDOC1100074765

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