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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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Configuring the User-Level Rate Limit

Configuring the User-Level Rate Limit


User-level rate limiting identifies users by user MAC addresses and limits the rates of specified packets (ARP, ND, DHCP Request, DHCPv6 Request, IGMP, 802.1X, and HTTPS-SYN packets) for both wired and wireless users. By default, the user-level rate limit is 10 pps. You can set a rate limit based on user.


  1. Run system-view

    The system view is displayed.

  2. Run cpu-defend host-car enable

    The user-level rate limiting is enabled.

    By default, the user-level rate limiting is enabled.

  3. Run cpu-defend host-car [ mac-address mac-address | car-id car-id ] pps pps-value

    The user-level rate limit is set.

    By default, the user-level rate limit is 10 pps.

Updated: 2019-09-23

Document ID: EDOC1000178319

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