ISIS-MIB :: isisCircIfIndex

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › ISIS-MIB › isisCircIfIndex

isisCircIfIndex

Module: ISIS-MIB

OID (symbolic): ISIS-MIB::isisCircIfIndex

OID (numeric): 1.3.6.1.2.1.138.1.3.2.1.2

Node type: OBJECT-TYPE

Type: InterfaceIndex

Access: read-create

Description: The value of ifIndex for the interface to which this circuit corresponds. This object cannot be modified after creation.

What is isisCircIfIndex?

The ifIndex of the physical/logical interface this IS-IS circuit runs over, set once at row creation and never changed afterward -- this is what ties an abstract IS-IS circuit to an actual interface like GigabitEthernet0/1.

OID Breakdown

Upper-level ancestors (6 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.2mgmtAPERTUS-NPG-MIB
1.3.6.1.2.1mib_2AXON-MIB
Numeric OIDNameModule
1.3.6.1.2.1.138isisMIBISIS-MIB
1.3.6.1.2.1.138.1isisObjectsISIS-MIB
1.3.6.1.2.1.138.1.3isisCircISIS-MIB
1.3.6.1.2.1.138.1.3.2isisCircTableISIS-MIB
1.3.6.1.2.1.138.1.3.2.1isisCircEntryISIS-MIB
1.3.6.1.2.1.138.1.3.2.1.2isisCircIfIndexISIS-MIB