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Alarm Handling

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document provides the explanations, causes, and recommended actions of alarms on the product.
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FEI_1.3.6.1.4.1.2011.5.25.160.3.13 hwMflpVlanLoopAlarm

FEI_1.3.6.1.4.1.2011.5.25.160.3.13 hwMflpVlanLoopAlarm

Description

MAC flapping detected, VlanId = [VlanId], Original-Port = [IfNameA], Flapping port 1 = [IfNameB], port 2 = [IfNameC]. [AlarmReason].

MAC address flapping occurred in a VLAN.

Attributes

Attribute

Description

Alarm or Event

Alarm

Trap Severity

Warning

Mnemonic Code

hwMflpVlanLoopAlarm

Trap OID

1.3.6.1.4.1.2011.5.25.160.3.13

Alarm ID

0x095e0012

Alarm Type

qualityOfServiceAlarm

Raise or Clear

Raise

Match trap

FEI_COMM_1.3.6.1.4.1.2011.5.25.160.3.14 hwMflpVlanLoopAlarmResume

Parameters

Parameter Meaning

VlanId

Indicates the VLAN ID.

Original-Port

Indicates the interface that learns the flapping MAC address first.

Flapping port 1

Indicates the first interface that learns the flapping MAC address later.

port 2

Indicates the second interface that learns the flapping MAC address later.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.160.1.1.1.1

hwMflpVlanId

hwMflpVlanId

1.3.6.1.4.1.2011.5.25.160.1.1.1.13

hwMflpVlanCfgPreIfName

hwMflpVlanId

1.3.6.1.4.1.2011.5.25.160.1.1.1.8

hwMflpVlanCfgIfName

hwMflpVlanId

1.3.6.1.4.1.2011.5.25.160.1.1.1.8

hwMflpVlanCfgIfName

hwMflpVlanId

1.3.6.1.4.1.2011.5.25.160.1.1.1.9

hwMflpVlanCfgAlarmReason

hwMflpVlanId

Impact on the System

None

Possible Causes

By default, when a user MAC address is learned by different interfaces for more than 10 times, the system generates the alarm about MAC address flapping. You can use the mac-address flapping detection [ security-level { low | middle | high } ] command to configure the security level for MAC address flapping detection.

Procedure

  • Configure the error-down action on the interface or enable STP to remove network loops.
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Updated: 2019-04-02

Document ID: EDOC1100074754

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