IBM-OSA-MIB :: ibmOsaExpATMActualMaxDataFrmSz

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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ibmOsaExpATMActualMaxDataFrmSz

Module: IBM-OSA-MIB

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

OID (numeric): 1.3.6.1.4.1.2.6.188.1.7.1.20

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The maximum data frame size (in bytes) which this client will use the next time it returns to the Initial State. Auto-configuring clients use this parameter in their configure requests. Manually configured clients use it in their join requests.

What is ibmOsaExpATMActualMaxDataFrmSz?

The maximum data frame size currently in effect for this LAN Emulation Client, using the same size codes as ibmOsaExpATMConfigMaxDataFrmSz; compare the two to confirm the configured size actually took effect.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.188.1.7.1.20
snmpwalk -v2c -c public <target> IBM-OSA-MIB::ibmOsaExpATMActualMaxDataFrmSz

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.188.1.7.1.20.1
snmpget -v2c -c public <target> IBM-OSA-MIB::ibmOsaExpATMActualMaxDataFrmSz.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::ibmOsaExpATMActualMaxDataFrmSz 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
1.3.6.1.4.1.2.6.188.1.7ibmOSAExpATMPortTableIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1.7.1ibmOSAExpATMPortEntryIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1.7.1.20ibmOsaExpATMActualMaxDataFrmSzIBM-OSA-MIB