CTRON-ALIAS-MIB :: ctAliasVlanID

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CTRON-ALIAS-MIB › ctAliasVlanID

ctAliasVlanID

Module: CTRON-ALIAS-MIB

OID (symbolic): CTRON-ALIAS-MIB::ctAliasVlanID

OID (numeric): 1.3.6.1.4.1.52.4.1.3.7.1.1.1.1.5

Node type: OBJECT-TYPE

Type: VlanIndex

Access: read-only

Description: The VLAN ID contained in the header of the message associated with this alias.

On agents which support this MIB but do not support VLANs, the value for this object MUST be (1).

What is ctAliasVlanID?

This is the VLAN ID that was carried in the header of the frame from which this alias entry was learned, or the fixed value 1 on agents that don't support VLANs at all. An admin monitoring a trunked switch can use it to see which VLAN a discovered address belongs to, which matters for segment-specific troubleshooting. For example, if ctAliasVlanID reads 20 for a host's alias entry, the admin knows that address was seen tagged on VLAN 20, not on the default VLAN.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.52.4.1.3.7.1.1.1.1.5
snmpwalk -v2c -c public <target> CTRON-ALIAS-MIB::ctAliasVlanID

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.52.4.1.3.7.1.1.1.1.5.1
snmpget -v2c -c public <target> CTRON-ALIAS-MIB::ctAliasVlanID.1

Start monitoring Cabletron Systems/Enterasys switch (Node Alias feature) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CTRON-ALIAS-MIB::ctAliasVlanID OID value, configure state conditions and alerts, and monitor any Cabletron Systems/Enterasys switch (Node Alias feature) from a single console.

OID Breakdown

Upper-level ancestors (11 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
1.3.6.1.4.1.52cabletronCabletron-MIB
1.3.6.1.4.1.52.4mibsCT-PRIORITY-QUEUING
1.3.6.1.4.1.52.4.1ctronCTRON-MIB-NAMES
1.3.6.1.4.1.52.4.1.3ctNetworkCTRON-MIB-NAMES
1.3.6.1.4.1.52.4.1.3.7ctAliasMibCTRON-MIB-NAMES
Numeric OIDNameModule
1.3.6.1.4.1.52.4.1.3.7.1cabletronAliasMibCTRON-ALIAS-MIB
1.3.6.1.4.1.52.4.1.3.7.1.1ctAliasCTRON-ALIAS-MIB
1.3.6.1.4.1.52.4.1.3.7.1.1.1ctAliasTableCTRON-ALIAS-MIB
1.3.6.1.4.1.52.4.1.3.7.1.1.1.1ctAliasEntryCTRON-ALIAS-MIB
1.3.6.1.4.1.52.4.1.3.7.1.1.1.1.5ctAliasVlanIDCTRON-ALIAS-MIB