The port learned mac-address number falling threshold.(PortIndex=[port_index], VlanId=[Vlan_ID], BDId=[BD_ID], VsiName=[vsi_name], PortNum=[port_num], BaseTrapSeverity=[Base_Severity], BaseTrapProbableCause=[trap_cause], BaseTrapEventType=[trap_event], LearnNumber=[learn_number], LimitNumber=[limit_number], PortName=[port_name], EvpnName=[evpn_name])
In VS mode, this trap is supported only by the admin VS.
| Trap Attribute | Description | 
|---|---|
| Alarm or Event | Alarm | 
| Trap Severity | Warning | 
| Mnemonic Code | hwMacLimitNumRaisingThreshold | 
| Trap OID | 1.3.6.1.4.1.2011.5.25.42.2.1.7.4 | 
| MIB | HUAWEI-L2MAM-MIB | 
| Alarm ID | 0x41c10004 | 
| Alarm Name | hwMacLimitNumRaisingThreshold | 
| Alarm Type | qualityOfServiceAlarm | 
| Raise or Clear | Clear | 
| Match trap | L2IF_1.3.6.1.4.1.2011.5.25.42.2.1.7.3 hwMacLimitNumRaisingThreshold | 
| Parameter | Description | 
|---|---|
| port_index | Interface index. | 
| Vlan_ID | VLAN ID. | 
| BD_ID | BD name. | 
| vsi_name | VSI name. | 
| port_num | Interface number. | 
| Base_Severity | Indicates the trap type. | 
| trap_cause | Alarm cause. | 
| trap_event | Alarm event type. | 
| learn_number | Number of currently learned MAC addresses. | 
| limit_number | MAC address limit. | 
| port_name | Interface name. | 
| evpn_name | EVPN name. | 
| VB OID | VB Name | VB Index | 
|---|---|---|
| 1.3.6.1.4.1.2011.5.25.129.1.1 | hwBaseTrapSeverity | - | 
| 1.3.6.1.4.1.2011.5.25.129.1.2 | hwBaseTrapProbableCause | - | 
| 1.3.6.1.4.1.2011.5.25.129.1.3 | hwBaseTrapEventType | - | 
| 1.3.6.1.4.1.2011.5.25.42.2.1.4.1.10 | hwMacDynAddressLearnNum | hwMacLimitPort hwMacLimitVlanId hwMacLimitVsiName | 
| 1.3.6.1.4.1.2011.5.25.42.2.1.4.1.4 | hwMacLimitMaxMac | hwMacLimitPort hwMacLimitVlanId hwMacLimitVsiName | 
| 1.3.6.1.4.1.2011.5.25.42.1.1.1.3.1.19 | hwL2IfPortName | hwL2IfPortNum | 
| 1.3.6.1.4.1.2011.5.25.42.2.1.4.1.12 | hwMacLimitBdId | hwMacLimitPort hwMacLimitVlanId hwMacLimitVsiName | 
| 1.3.6.1.4.1.2011.5.25.42.2.1.4.1.13 | hwMacLimitEVPName | hwMacLimitPort hwMacLimitVlanId hwMacLimitVsiName |