L2IFPPI_1.3.6.1.4.1.2011.5.25.160.3.7 hwMflpVlanAlarm

Description

L2IFPPI/4/MFLPVLANALARM:OID [oid] Loop exist in vlan [INTEGER], for [OCTET].

MAC address flapping occurs.

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

Name	Meaning
oid	Indicates the ID of the MIB object.
VLAN	Indicates the VLAN ID.
OCTET	Indicates the cause why the interface is blocked.

Traffic cannot be received normally.

Cause 1: The interfaces where loops occur are added to the same VLAN.

Cause 2: Cables are connected incorrectly.

Cause 3: Loop detection and STP are enabled to remove loops on the network.

Check that cables are connected correctly. Then check whether the alarm is still reported.
- If yes, go to step 2.
- If not, go to step 6.
Check whether the two interfaces that learn the same MAC address can be added to different VLANs according to the networking.
- If yes, go to step 3.
- If not, go to step 4.
Modify the configuration and add the two interfaces that learn the same MAC address to different VLANs. Then check whether the alarm is still reported.
- If yes, go to step 4.
- If not, go to step 6.
Disable loop detection and enable STP. Then check whether the alarm is still reported.
- If yes, go to step 5.
- If not, go to step 6.
Contact technical support personnel.
End.

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