NBS-EFM-MIB :: nbsEfmOamErrSymPerEvtWindow

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsNBS-EFM-MIBnbsEfmOamErrSymPerEvtWindow

nbsEfmOamErrSymPerEvtWindow

Module: NBS-EFM-MIB

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

OID (numeric): 1.3.6.1.4.1.629.300.1.3.1.1.31

Node type: OBJECT-TYPE

Type: Unsigned64

Access: read-only

Description: An integer corresponding to the Errored Symbol Window field in the most recently transmitted Errored Symbol Period Event TLV in an Event Notification OAMPDU (see 57.4.3.2). This integer is updated when a OAM:MA_DATA.request service primitive is generated within the OAM sublayer with an OAMPDU Code field value equal to the Event Notification code as specified in Table 57-4 and Event TLV Type field equal to the Errored Symbol Period Event value as specified in Table 57-10.

What is nbsEfmOamErrSymPerEvtWindow?

This OID reports the actual symbol window value carried in the most recently transmitted Errored Symbol Period Event TLV. An admin compares this against the configured duration to confirm the event was measured over the expected window size.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.629.300.1.3.1.1.31
snmpwalk -v2c -c public <target> NBS-EFM-MIB::nbsEfmOamErrSymPerEvtWindow

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.629.300.1.3.1.1.31.1
snmpget -v2c -c public <target> NBS-EFM-MIB::nbsEfmOamErrSymPerEvtWindow.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::nbsEfmOamErrSymPerEvtWindow 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
1.3.6.1.4.1.629.300.1.3.1.1.31nbsEfmOamErrSymPerEvtWindowNBS-EFM-MIB