MELLANOX-EFM-MIB :: cntOperationalVLs

MIB Reference — IPNetwork Monitor · Updated September 21, 2026

All MIBs › MELLANOX-EFM-MIB › cntOperationalVLs

cntOperationalVLs

Module: MELLANOX-EFM-MIB

OID (symbolic): MELLANOX-EFM-MIB::cntOperationalVLs

OID (numeric): 1.3.6.1.4.1.33049.2.2.1.2.1.1.19

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-only

Description: Virtaul lanes on this port

What is cntOperationalVLs?

Read-only OCTET STRING listing the virtual lanes currently operational on this external IB port. Admins use this to verify the expected number of VLs are actually up for QoS/traffic-class separation.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.33049.2.2.1.2.1.1.19
snmpwalk -v2c -c public <target> MELLANOX-EFM-MIB::cntOperationalVLs

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.33049.2.2.1.2.1.1.19.1
snmpget -v2c -c public <target> MELLANOX-EFM-MIB::cntOperationalVLs.1

Start monitoring Mellanox Ethernet/InfiniBand switch (Ethernet First Mile OAM + system health) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the MELLANOX-EFM-MIB::cntOperationalVLs OID value, configure state conditions and alerts, and monitor any Mellanox Ethernet/InfiniBand switch (Ethernet First Mile OAM + system health) from a single console.

OID Breakdown

Upper-level ancestors (7 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
1.3.6.1.4.1.33049mellanoxMELLANOX-MIB
Numeric OIDNameModule
1.3.6.1.4.1.33049.2mellanoxMgmtMELLANOX-EFM-MIB
1.3.6.1.4.1.33049.2.2ibSwitchMELLANOX-EFM-MIB
1.3.6.1.4.1.33049.2.2.1ibVariablesMELLANOX-EFM-MIB
1.3.6.1.4.1.33049.2.2.1.2ibPortsMELLANOX-EFM-MIB
1.3.6.1.4.1.33049.2.2.1.2.1cntTableMELLANOX-EFM-MIB
1.3.6.1.4.1.33049.2.2.1.2.1.1cntEntryMELLANOX-EFM-MIB
1.3.6.1.4.1.33049.2.2.1.2.1.1.19cntOperationalVLsMELLANOX-EFM-MIB