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Alarm Handling

S600-E V200R010C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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L2IFPPI_1.3.6.1.4.1.2011.5.25.160.3.7 hwMflpVlanAlarm

L2IFPPI_1.3.6.1.4.1.2011.5.25.160.3.7 hwMflpVlanAlarm

Description

L2IFPPI/4/MFLPVLANALARM:OID [oid] MAC move detected, VLANID = [INTEGER], [OCTET].

MAC address flapping occurred.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.5.25.160.3.7 Warning equipmentAlarm(5)

Parameters

Name Meaning
oid Indicates the ID of the MIB object.
INTEGER Indicates the VLAN ID.
OCTET Indicates the flapping MAC address and interfaces between which the MAC address flaps.

Impact on the System

Traffic cannot be received normally.

Possible Causes

Cause 1:

The interfaces where loops occurred were added to the same VLAN.

Cause 2:

Cables were connected incorrectly.

Cause 3:

STP was enabled to remove loops on the network.

Procedure

  1. Step 1 Connect cables on the interfaces correctly and check whether the alarm persists.

    • If so, go to step 2.
    • If not, no further action is required.

  2. Check whether the two interfaces that learn the same MAC address can be added to different VLANs according to the networking.

    • If so, go to step 3.
    • If not, go to step 4.

  3. Modify the configuration and add the two interfaces that learn the same MAC address to different VLANs. Then check whether the alarm persists.

    • If so, go to step 4.
    • If not, no further action is required.

  4. Enable STP. Then check whether the alarm persists.

    • If so, contact technical support personnel.
    • If not, no further action is required.

Related Information

None

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Updated: 2019-08-21

Document ID: EDOC1000141873

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