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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 on User-Side Interfaces in the BD View

Configuring Traffic Suppression on User-Side Interfaces in the BD View


To limit the rate of broadcast and multicast packets on the user-side interfaces in a BD and prevent broadcast storms, configure traffic suppression for packets of these types in the BD.

  • Only the CE6850HI, CE6850U-HI, CE6851HI, CE6855HI, CE6856HI, CE6857EI, CE6860EI, CE6865EI, CE7850EI, CE7855EI, CE8850EI, CE8861EI, CE8868EI, and CE8860EI support this function.

Pre-configuration Tasks

Before configuring traffic suppression for a BD, set the link-layer protocol parameters for the interfaces in the BD and ensure that the link-layer protocol status on these interfaces is Up.


  1. Run system-view

    The system view is displayed.

  2. Run bridge-domain bd-id

    The BD view is displayed.

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

    The traffic suppression function is configured on the user-side interface.

    By default, traffic suppression is not configured on the user-side interface.

    • This command only limits the rate of packets on the user-side interfaces. To limit the packet rates on both user-side and network-side interfaces, run the storm suppression broadcast and storm suppression multicast commands in the BD view.
    • If both the rate of packets on the user-side interface and the rates of packets on user-side and network-side interfaces are configured, the latter one takes effect.

  4. Run commit

    The configuration is committed.

Updated: 2019-04-20

Document ID: EDOC1100074765

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