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CLI-based Configuration Guide - Security

AR500, AR510, and AR530 V200R007

This document describes the configurations of Security, including AAA, DAA,NAC, BRAS Access, ACL, Firewall, Deep Security Defense, Local Attack Defense;Attack Defense, Traffic Suppression, ARP Security, Port Security, DHCP Snooping, IPSG, URPF, PKI, SSL, HTTPS, Keychain, separating the management plane from the service plane, security risks.
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Configuring the Rate Limit for Packets Sent to the CPU

Configuring the Rate Limit for Packets Sent to the CPU


The device applies different rate limits to packets of different types or discards packets of a specified type to protect the CPU.


  1. Run:


    The system view is displayed.

  2. Run:

    cpu-defend policy policy-name

    The attack defense policy view is displayed.

  3. Configure a rate limit for packets sent to the CPU.

    • Run:
      packet-type packet-type rate-limit rate-value

      The rate limit for packets sent to the CPU is set. Excess packets are discarded.

    • Run:
      deny packet-type packet-type

      The device is configured to discard packets of a specified type sent to the CPU. That is, the rate limit for packets sent to the CPU is 0.

    By default, the device applies the rate limit defined in the default attack defense policy to limit the packets sent to the CPU.

Updated: 2019-05-25

Document ID: EDOC1000097287

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