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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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DEFD/6/CPCAR_DROP_LPU

DEFD/6/CPCAR_DROP_LPU

Message

DEFD/6/CPCAR_DROP_LPU:Rate of packets to cpu exceeded the CPCAR limit on the LPU in slot [STRING]. (Protocol=[STRING], CIR/CBS=[ULONG]/[ULONG], ExceededPacketCount=[STRING])

Description

The rate of packets delivered to the CPU exceeds the CPCAR limit on the specified LPU.

Parameters

Parameter Name Parameter Meaning
slot

Specifies the slot ID.

Protocol Indicates the protocol type.
CIR/CBS Indicates the committed information rate and committed burst size.
ExceededPacketCount Specifies the number of packets whose rate exceeds the CPCAR.

Possible Causes

The rate of packets sent to the CPU of the specified LPU exceeds the CPCAR.

Procedure

  1. Run the auto-defend enable command to configure attack source tracing. If a possible attack source is detected, check on the network to determine whether it is a real attack source.
  2. If a real attack source exists, run the blacklist command to add the attack source to the blacklist or run the auto-defend action command to configure a punish action for the attack source. If no attack source exists, run the car (attack defense policy view) command to increase the CPCAR value properly.

    Improper CPCAR settings will affect services on your network. If you need to adjust CPCAR settings, you are advised to contact technical support personnel for help.

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Updated: 2019-08-21

Document ID: EDOC1000142069

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