NBS-EFM-MIB :: nbsEfmOamDupEventNotificationRx

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsNBS-EFM-MIBnbsEfmOamDupEventNotificationRx

nbsEfmOamDupEventNotificationRx

Module: NBS-EFM-MIB

OID (symbolic): NBS-EFM-MIB::nbsEfmOamDupEventNotificationRx

OID (numeric): 1.3.6.1.4.1.629.300.1.3.1.1.19

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: A count of the OAMPDUs received that contain the Event Notification code specified in Table 57-4. This counter is incremented on reception of a valid frame, with (1) destinationField equal to the reserved multicast address for Slow_Protocols specified in CROSS REF Table 43B-1, (2) lengthOrType field value equal to the reserved Type for Slow_Protocols as specified in CROSS REF Table 43B-2, (3) a Slow_Protocols subtype value equal to the subtype reserved for OAM as specified in CROSS REF Table 43B-3, (4) the OAM code equals the Event Notification code, (5) the Sequence Number field is equal to the Sequence Number field of the last received Event Notification OAMPDU.

What is nbsEfmOamDupEventNotificationRx?

This OID counts received Event Notification OAMPDUs whose sequence number matches the last one received, i.e. duplicate retransmissions of the same event. An admin uses this alongside the unique-event counter to filter out repeat notifications when diagnosing link events.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.629.300.1.3.1.1.19
snmpwalk -v2c -c public <target> NBS-EFM-MIB::nbsEfmOamDupEventNotificationRx

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.629.300.1.3.1.1.19.1
snmpget -v2c -c public <target> NBS-EFM-MIB::nbsEfmOamDupEventNotificationRx.1

Start monitoring MRV/NBS optical Ethernet access switch (802.3ah EFM OAM) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the NBS-EFM-MIB::nbsEfmOamDupEventNotificationRx OID value, configure state conditions and alerts, and monitor any MRV/NBS optical Ethernet access switch (802.3ah EFM OAM) from a single console.

OID Breakdown

Upper-level ancestors (12 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.629nbaseGSWITCH-MIB
1.3.6.1.4.1.629.300mrvEfmMibMRV-EFM-MIB
1.3.6.1.4.1.629.300.1mrvEfmObjectsMRV-EFM-MIB
1.3.6.1.4.1.629.300.1.3mrvEfmOamGrpMRV-EFM-MIB
1.3.6.1.4.1.629.300.1.3.1mrvEfmOamTableMRV-EFM-MIB
1.3.6.1.4.1.629.300.1.3.1.1mrvEfmOamEntryMRV-EFM-MIB
Numeric OIDNameModule
1.3.6.1.4.1.629.300.1.3.1.1.19nbsEfmOamDupEventNotificationRxNBS-EFM-MIB