IB-SMA-MIB :: ibSmaSwMulticastFdbTableNum

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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ibSmaSwMulticastFdbTableNum

Module: IB-SMA-MIB

OID (symbolic): IB-SMA-MIB::ibSmaSwMulticastFdbTableNum

OID (numeric): 1.3.6.1.3.117.3.1.2.3

Node type: OBJECT-TYPE

Type: Unsigned32

Access: read-only

Description: Number of entries in the Multicast Forwarding Data Base. This is the number of entries supported in the Multicast Forwarding Table (starting at LID=0xC000 and going up). The InfiniBand SwitchInfo component is called MulticastFDBCap.

What is ibSmaSwMulticastFdbTableNum?

Number of entries supported in the switch's Multicast Forwarding Table, starting at LID 0xC000 upward; tells an admin the ceiling on how many multicast groups this switch can forward for.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.3.117.3.1.2.3
snmpwalk -v2c -c public <target> IB-SMA-MIB::ibSmaSwMulticastFdbTableNum

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.3.117.3.1.2.3.1
snmpget -v2c -c public <target> IB-SMA-MIB::ibSmaSwMulticastFdbTableNum.1

Start monitoring InfiniBand switch/host channel adapter (HCA), Subnet Management Agent with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IB-SMA-MIB::ibSmaSwMulticastFdbTableNum OID value, configure state conditions and alerts, and monitor any InfiniBand switch/host channel adapter (HCA), Subnet Management Agent from a single console.

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
1.3.6.1.3experimentalAPERTUS-NPG-MIB
1.3.6.1.3.117pmIB-PM-MIB
Numeric OIDNameModule
1.3.6.1.3.117.3ibSmaMIBIB-SMA-MIB
1.3.6.1.3.117.3.1ibSmaObjectsIB-SMA-MIB
1.3.6.1.3.117.3.1.2ibSmaSwitchInfoIB-SMA-MIB
1.3.6.1.3.117.3.1.2.3ibSmaSwMulticastFdbTableNumIB-SMA-MIB