CENTILLION-IF-EXTENSIONS-MIB :: cnIfExtnIndex

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CENTILLION-IF-EXTENSIONS-MIB › cnIfExtnIndex

cnIfExtnIndex

Module: CENTILLION-IF-EXTENSIONS-MIB

OID (symbolic): CENTILLION-IF-EXTENSIONS-MIB::cnIfExtnIndex

OID (numeric): 1.3.6.1.4.1.930.3.2.1.1.1

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: A unique value for each interface corresponding to the ifIndex value for the same interface.

What is cnIfExtnIndex?

A read-only index that ties an entry in this extension table to the corresponding standard ifIndex value for the same interface.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.930.3.2.1.1.1
snmpwalk -v2c -c public <target> CENTILLION-IF-EXTENSIONS-MIB::cnIfExtnIndex

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.930.3.2.1.1.1.1
snmpget -v2c -c public <target> CENTILLION-IF-EXTENSIONS-MIB::cnIfExtnIndex.1

Start monitoring Nortel/Bay Networks Centillion ATM/LAN switches (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CENTILLION-IF-EXTENSIONS-MIB::cnIfExtnIndex OID value, configure state conditions and alerts, and monitor any Nortel/Bay Networks Centillion ATM/LAN switches (legacy) 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
1.3.6.1.4.1.930centillionCENTILLION-ROOT-MIB
1.3.6.1.4.1.930.3extensionsCENTILLION-ROOT-MIB
Numeric OIDNameModule
1.3.6.1.4.1.930.3.2cnIfExtensionsCENTILLION-IF-EXTENSIONS-MIB
1.3.6.1.4.1.930.3.2.1cnIfExtnTableCENTILLION-IF-EXTENSIONS-MIB
1.3.6.1.4.1.930.3.2.1.1cnIfExtnEntryCENTILLION-IF-EXTENSIONS-MIB
1.3.6.1.4.1.930.3.2.1.1.1cnIfExtnIndexCENTILLION-IF-EXTENSIONS-MIB