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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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Traffic Suppression

Traffic Suppression

Traffic suppression prevents broadcast storms caused by broadcast packets, multicast packets, and unknown unicast packets in the following modes:

  • Traffic suppression is configured in the interface view to control the bandwidth percentage, packets per second, and bits per second of incoming packets.

    The device monitors rates of these packets on the interface and compares the rates with the thresholds. When the rate of incoming traffic reaches the threshold, the system discards excess traffic.

    NOTE:

    For CE6870EI and CE6875EI switches, traffic suppression is configured in the interface view to control the bandwidth percentage, and bits per second of incoming packets.

  • Traffic suppression is configured in the outbound interface view to block outgoing broadcast packets, multicast packets, and unknown unicast packets.

  • Traffic suppression is configured in the VLAN view to limit the bits per second for these packets.

    The device monitors packet rates in the same VLAN and compares the rates with the thresholds. When the traffic rate in the VLAN reaches the threshold, the system discards excess traffic.

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Updated: 2019-04-20

Document ID: EDOC1100074765

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