IBM-OSA-MIB :: ibmOsaExpTRLostFrameErrorCount

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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ibmOsaExpTRLostFrameErrorCount

Module: IBM-OSA-MIB

OID (symbolic): IBM-OSA-MIB::ibmOsaExpTRLostFrameErrorCount

OID (numeric): 1.3.6.1.4.1.2.6.188.1.5.1.29

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: This counter is incremented when a station is transmitting and its TRR timer expires. This condition denotes a condition transmitting station in strip mode does not receive the trailer of the frame TRR timer goes off.

What is ibmOsaExpTRLostFrameErrorCount?

Counts the number of times this station's TRR (transmit) timer expired while transmitting, meaning it never received back the trailer of its own frame after stripping - a sign of a frame that disappeared from the ring.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.188.1.5.1.29
snmpwalk -v2c -c public <target> IBM-OSA-MIB::ibmOsaExpTRLostFrameErrorCount

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.188.1.5.1.29.1
snmpget -v2c -c public <target> IBM-OSA-MIB::ibmOsaExpTRLostFrameErrorCount.1

Start monitoring IBM zSeries/System z mainframe with OSA-Express network adapter with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IBM-OSA-MIB::ibmOsaExpTRLostFrameErrorCount OID value, configure state conditions and alerts, and monitor any IBM zSeries/System z mainframe with OSA-Express network adapter from a single console.

OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.2ibmATM-ADAPTER-MIB
1.3.6.1.4.1.2.6ibmProdATM-ADAPTER-MIB
Numeric OIDNameModule
1.3.6.1.4.1.2.6.188ibmOSAMibIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1ibmOSAMibObjectsIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1.5ibmOSAExpTRPortTableIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1.5.1ibmOSAExpTRPortEntryIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1.5.1.29ibmOsaExpTRLostFrameErrorCountIBM-OSA-MIB