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Alarm Handling

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the device so as to locate faults.

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SECE_1. hwStrackUserInfo

SECE_1. hwStrackUserInfo


SECE/4/STRACKUSER: OID=[oid] Attack occurred.(Interface=[STRING], SourceMAC=[STRING], CVLAN=[ULONG], PVLAN=[ULONG], EndTime=[STRING], TotalPackets=[ULONG])

The system detects an attack.


Alarm ID Alarm Severity Alarm Type Warning securityServiceOrMechanismViolation(10)


Name Meaning

Indicates the MIB object ID of the alarm.

Interface Indicates the access interface of the attacker.
SourceMAC Indicates the Source MAC address of packets sent from the attacker.
BCVLAN Indicates the maximum rate of broadcast packets.
PVLAN Indicates the inner VLAN ID of packets sent from the attacker.
EndTime Indicates the end time of the attack.
TotalPackets Indicates the number of packets received from the attacker.

Impact on the System

The CPU is busy processing attack packets. As a result, normal service packets cannot be processed in time or even discarded.

Possible Causes

The rate of packets with the specified MAC address and VLAN ID sent to the CPU exceeds the alarm threshold.


  1. Run the display auto-defend attack-source detail command to check the possible attack source and check whether the system is normal according to the protocol type and packet increase rate.
  2. If the user initiates the attack, you can configure attack source tracing and set the action taken on attack packets to deny, or configure a traffic policy to discard attack packets.
  3. If the fault cause is unknown, collect device configurations, alarms, and logs, and then contact technical support personnel.
  4. End.

Related Information


Updated: 2019-03-06

Document ID: EDOC1100041475

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