All MIBs › Q-BRIDGE-MIB › dot1qNumVlans
dot1qNumVlans
Module: Q-BRIDGE-MIB
OID (symbolic): Q-BRIDGE-MIB::dot1qNumVlans
OID (numeric): 1.3.6.1.2.1.17.7.1.1.4
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-only
Description: The current number of IEEE 802.1Q VLANs that are configured in this device.
What is dot1qNumVlans?
This is a running count showing how many VLANs are currently configured and active on the device right now. Engineers monitor this to track VLAN utilization and ensure they haven't exceeded the device's maximum. A sudden change here signals that VLANs were added, deleted, or the device was reconfigured.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.2.1.17.7.1.1.4 snmpwalk -v2c -c public <target> Q-BRIDGE-MIB::dot1qNumVlans
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.2.1.17.7.1.1.4.1 snmpget -v2c -c public <target> Q-BRIDGE-MIB::dot1qNumVlans.1
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OID Breakdown
Upper-level ancestors (7 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.2 | mgmt | AXON-MIB |
| 1.3.6.1.2.1 | mib_2 | AXON-MIB |
| 1.3.6.1.2.1.17 | dot1dBridge | BRIDGE-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.2.1.17.7 | qBridgeMIB | Q-BRIDGE-MIB |
| 1.3.6.1.2.1.17.7.1 | qBridgeMIBObjects | Q-BRIDGE-MIB |
| 1.3.6.1.2.1.17.7.1.1 | dot1qBase | Q-BRIDGE-MIB |
| 1.3.6.1.2.1.17.7.1.1.4 | dot1qNumVlans | Q-BRIDGE-MIB |