IBMBNA-MIB :: ibmBnaNnTgFRFrsn

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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ibmBnaNnTgFRFrsn

Module: IBMBNA-MIB

OID (symbolic): IBMBNA-MIB::ibmBnaNnTgFRFrsn

OID (numeric): 1.3.6.1.4.1.2.5.21.1.3.1.1

Node type: OBJECT-TYPE

Type: Gauge

Access: read-only

Description: Flow reduction sequence numbers (FRSNs) are associated with Topology Database Updates (TDUs) and are unique only within each APPN network node. A TDU can be associated with multiple APPN resources. This FRSN indicates the last time this resource was updated at this node.

What is ibmBnaNnTgFRFrsn?

This object gives the Flow Reduction Sequence Number associated with the most recent Topology Database Update for a transmission group, unique only within its APPN network node. Admins and management tools use this to detect when a given TG's topology entry was last updated at the reporting node. For example, an admin polling this value over time can tell whether a TG's topology record has changed since the last poll simply by seeing this FRSN increment.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.5.21.1.3.1.1
snmpwalk -v2c -c public <target> IBMBNA-MIB::ibmBnaNnTgFRFrsn

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.5.21.1.3.1.1.1
snmpget -v2c -c public <target> IBMBNA-MIB::ibmBnaNnTgFRFrsn.1

Start monitoring IBM SNA/APPN networking equipment (Branch Network Architecture topology) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IBMBNA-MIB::ibmBnaNnTgFRFrsn OID value, configure state conditions and alerts, and monitor any IBM SNA/APPN networking equipment (Branch Network Architecture topology) 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
1.3.6.1.4.1.2.5ibmArchitectureIBM-FEATURE-ACTIVATION-MIB
Numeric OIDNameModule
1.3.6.1.4.1.2.5.21ibmBnaIBMBNA-MIB
1.3.6.1.4.1.2.5.21.1ibmBnaObjectsIBMBNA-MIB
1.3.6.1.4.1.2.5.21.1.3ibmBnaNnTgTopologyFRTableIBMBNA-MIB
1.3.6.1.4.1.2.5.21.1.3.1ibmBnaNnTgTopologyFREntryIBMBNA-MIB
1.3.6.1.4.1.2.5.21.1.3.1.1ibmBnaNnTgFRFrsnIBMBNA-MIB