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Alarm Handling

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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SECE_1.3.6.1.4.1.2011.5.25.165.2.2.2.3 hwARPSPacketCheck

SECE_1.3.6.1.4.1.2011.5.25.165.2.2.2.3 hwARPSPacketCheck

Description

SECE/4/ARP_PACKET_CHECK:OID [oid] Invalid packet.(SourceInterface=[OCTET], SourceIP=[OCTET], SourceMAC=[OCTET], OuterVlan=[INTEGER], InnerVlan=[INTEGER])

The system detected invalid ARP packets.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.165.2.2.2.3 Warning equipmentAlarm(5)

Parameters

Name Meaning
OID Indicates the ID of the MIB object.
SourceInterface Indicates the source interface of packets.
SourceIP Indicates the source IP address of packets.
SourceMAC Indicates the source MAC address of packets.

OuterVlan

Indicates the outer VLAN ID of packets.

InnerVlan

Indicates the inner VLAN ID of packets.

Impact on the System

If this alarm is generated, the device may be attacked. If the attack traffic volume is heavy, the device is busy processing attack packets. As a result, services of authorized users are interrupted.

Possible Causes

The device received invalid ARP packets.

Procedure

  1. Find the interface where the gateway conflict occurs according to the value of SourceInterface.
  2. Lock the user who sends gateway conflict packets according to the values of SourceMAC and PVLAN.
  3. Check whether the allocated address of the user conflicts with the gateway address. If the address conflicts, allocate an address to the user again. If the address does not conflict, the user may be the attacker. In this case, you can take such measures as disconnecting the user.

Related Information

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Updated: 2019-08-21

Document ID: EDOC1000142054

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