ALM-3276800219 MAC address flapping has occurred

Description

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

MAC address flapping has occurred.

Attribute

Parameters

Impact on the System

Traffic cannot be received normally.

Possible Causes

1:

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

2:

Cables are connected incorrectly.

3:

STP is enabled to remove loops on the network.

Procedure

1. 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.

2. 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.

3. 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.

4. Enable STP. Then check whether the alarm is still reported.

   • If yes, go to step 5.

   • If not, go to step 6.

5. Contact technical support personnel.
6. End.

Related Information

None