IBM-OSA-MIB :: ibmOSAExpChannelNumber

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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ibmOSAExpChannelNumber

Module: IBM-OSA-MIB

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

OID (numeric): 1.3.6.1.4.1.2.6.188.1.1.1.1

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-only

Description: The CHPID corresponding to this ifIndex.

What is ibmOSAExpChannelNumber?

This is the CHPID (Channel Path ID) of the OSA-Express device interface identified by ifIndex, returned as a 2-byte string. Admins use it to map an SNMP interface index back to the physical mainframe channel path so they know which physical adapter a given ifIndex refers to.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.188.1.1.1.1
snmpwalk -v2c -c public <target> IBM-OSA-MIB::ibmOSAExpChannelNumber

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.188.1.1.1.1.1
snmpget -v2c -c public <target> IBM-OSA-MIB::ibmOSAExpChannelNumber.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::ibmOSAExpChannelNumber 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
1.3.6.1.4.1.2.6.188.1.1ibmOSAExpChannelTableIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1.1.1ibmOSAExpChannelEntryIBM-OSA-MIB
1.3.6.1.4.1.2.6.188.1.1.1.1ibmOSAExpChannelNumberIBM-OSA-MIB