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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 Attack Source Punish Actions

Configuring Attack Source Punish Actions


A device with the punish actions configured identifies the attack source and performs punish actions on the attack source to protect the device. The punish actions include:
  • Discard the packets from the attack source.
  • Change the status of the interface receiving attack packets to shutdown.

If the device changes the inbound interface status to shutdown, services of authorized users on the interface are also interrupted. Exercise caution when you configure the device to shut down the interface.


  1. Run system-view

    The system view is displayed.

  2. Run cpu-defend policy policy-name

    The attack defense policy view is displayed.

  3. Run auto-defend enable

    Attack source tracing is enabled.

    By default, attack source tracing is enabled.

  4. Run auto-defend action { deny [ timer time-length ] | error-down }

    The punish function is enabled and a punish action is configured.

    By default, the punish function is disabled.


    The device does not trace the source of users in the whitelist.

Updated: 2019-04-01

Document ID: EDOC1000178319

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