FEI/4/hwMflpVlanLoopAlarm_active
Message
FEI/4/hwMflpVlanLoopAlarm_active: MAC flapping detected, VlanId = [VlanId], Original-Port = [IfNameA], Flapping port 1 = [IfNameB], port 2 = [IfNameC]. [AlarmReason].
Parameters
| Parameter Name | 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. |
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.
