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CLI-based Configuration Guide - Security

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Attack Source Tracing Does Not Take Effect

Attack Source Tracing Does Not Take Effect

Fault Description

Attack source tracing does not take effect after attack source tracing is configured.

Common Causes

Possible causes are as follows:
  • The attack defense policy is not applied to the correct SRU.
  • The checking threshold for attack source tracing is large.

Procedure

  1. Determine the attacked target.
    1. Run the display cpu-usage command to check CPU usage of the SRU to check whether the SRU has been attacked.
    2. If the SRU has been attacked, go to the next step.
  2. Determine whether the attack defense policy configured with attack source tracing is applied to the attacked LPU or main control board.
    1. Run the display this command in the system view to check whether the cpu-defend-policy command has been configured.
    2. Or run the display auto-defend configuration command to check the name of the attack defense policy and the slot ID to which the policy is applied.
    3. If the policy is not configured, run the cpu-defend-policy command in the system view to configure the policy. If the policy is configured, go to the next step.
  3. Check whether the checking threshold for attack source tracing is large.

    Run the display auto-defend configuration command to check the value in the auto-defend threshold field. If the value is large, run the auto-defend threshold command in the attack defense policy view to reduce the value.

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Updated: 2019-08-07

Document ID: EDOC1100034077

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