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 device.

Parameters

Parameter Name	Parameter Meaning
slot	Specifies the slot ID if stacking is not configured. Specifies the stack ID if stacking is configured.
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 device exceeds the CPCAR.

Procedure

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.
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 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.