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Configuration Guide - Security

S7700 and S9700 V200R011C10

This document describes the configurations of Security, including ACL, reflective ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, URPF, keychain, separating the management plane from the service plane, security risks.
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Default Settings for Traffic Suppression and Storm Control

Default Settings for Traffic Suppression and Storm Control

Table 6-3 and Table 6-4 list the default parameter settings for traffic suppression and storm control.

Table 6-3  Traffic suppression


Default Setting

Traffic suppression on an interface


Traffic suppression mode on an interface

Percentage limit rate mode


10% for broadcast traffic and 100% for other traffic

Blocking outgoing packets


Traffic suppression in a VLAN


Traffic suppression for Internet Control Message Protocol (ICMP) packets


Traffic suppression threshold for ICMP Packets

By default, the global rate limit of ICMP packets is 256 pps and the rate limit of ICMP packets on an interface is 192 pps.

Table 6-4  Storm control


Default Setting

Storm control


Log record and alarm report


Detection interval

5 seconds

Updated: 2019-10-18

Document ID: EDOC1000178319

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