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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_1.3.6.1.4.1.2011.5.25.160.3.20 hwMflpVlanLoopPeriodicTrap

FEI_1.3.6.1.4.1.2011.5.25.160.3.20 hwMflpVlanLoopPeriodicTrap

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

Event

Trap Severity

Warning

Mnemonic Code

hwMflpVlanLoopPeriodicTrap

Trap OID

1.3.6.1.4.1.2011.5.25.160.3.20

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the matching trap.

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

1.3.6.1.4.1.2011.5.25.160.1.1.1.9

hwMflpVlanCfgAlarmReason

hwMflpVlanId

Impact on the System

None

Possible Causes

The trap message was generated when the system learned the same MAC address from more than three interfaces.

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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