IGMP-STD-MIB :: igmpInterfaceGroups

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsIGMP-STD-MIBigmpInterfaceGroups

igmpInterfaceGroups

Module: IGMP-STD-MIB

OID (symbolic): IGMP-STD-MIB::igmpInterfaceGroups

OID (numeric): 1.3.6.1.2.1.85.1.1.1.13

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: The current number of entries for this interface in the Cache Table.

What is igmpInterfaceGroups?

A read-only gauge reporting the current number of multicast group memberships, or cache entries, associated with this interface. This gives an admin a quick count of how many distinct multicast groups currently have active members on this interface's segment, useful for spotting unexpectedly high multicast group counts. A router interface reporting igmpInterfaceGroups of 15 has 15 distinct multicast groups currently being tracked with active members on that segment.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.85.1.1.1.13
snmpwalk -v2c -c public <target> IGMP-STD-MIB::igmpInterfaceGroups

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.85.1.1.1.13.1
snmpget -v2c -c public <target> IGMP-STD-MIB::igmpInterfaceGroups.1

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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
1.3.6.1.2mgmtAXON-MIB
1.3.6.1.2.1mib_2AXON-MIB
Numeric OIDNameModule
1.3.6.1.2.1.85igmpStdMIBIGMP-STD-MIB
1.3.6.1.2.1.85.1igmpMIBObjectsIGMP-STD-MIB
1.3.6.1.2.1.85.1.1igmpInterfaceTableIGMP-STD-MIB
1.3.6.1.2.1.85.1.1.1igmpInterfaceEntryIGMP-STD-MIB
1.3.6.1.2.1.85.1.1.1.13igmpInterfaceGroupsIGMP-STD-MIB