ALM-303046967 MAC address learning reached the limit

Description

L2IFPPI/4/MAC_LIMIT_ALARM:OID [OID] MAC address learning reached the limit.(L2IfIndex=[INTEGER],MacLimitVlanId=[INTEGER], [OCTET]L2IfPortIndex=[INTEGER], BaseTrapSeverity=[INTEGER], BaseTrapProbableCause=[INTEGER], BaseTrapEventType=[INTEGER], MacDynAddressLearnNum=[INTEGER], MacLimitMaxMac=[INTEGER], L2IfPortName=[OCTET])

The number of MAC addresses learned by the interface or VLAN reached the upper limit.

Attribute

Alarm ID	Alarm Severity	Alarm Type
303046967	Warning	Quality of service alarm

Parameters

Name	Meaning
[OID]	Indicates the OID of the alarm.
L2IfIndex	Indicates the interface index.
MacLimitVlanId	Indicates the VLAN ID.
L2IfPortIndex	Indicates the port index.
BaseTrapSeverity	Indicates the alarm severity.
BaseTrapProbableCause	Indicates the alarm cause.
BaseTrapEventType	Indicates the alarm type.
MacDynAddressLearnNum	Indicates the number of learned MAC addresses.
MacLimitMaxMac	Indicates the maximum number of MAC addresses to be learned.
L2IfPortName	Indicates the interface name.

Impact on the System

No more MAC addresses can be learned.

Possible Causes

The number of MAC addresses learned by the interface or VLAN reached the upper limit.

Procedure

Check whether the alarm is generated on an interface or in a VLAN.

Perform one of the following operations according to networking requirements and go to step 2:
- Increase the upper limit on the number of MAC addresses to be learned.
- Delete unnecessary MAC addresses.
- Ignore the alarm.
End.