AT-GS950-24-MIB :: dot1sCistPortInvalidTcnBpduRxCount

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsAT-GS950-24-MIBdot1sCistPortInvalidTcnBpduRxCount

dot1sCistPortInvalidTcnBpduRxCount

Module: AT-GS950-24-MIB

OID (symbolic): AT-GS950-24-MIB::dot1sCistPortInvalidTcnBpduRxCount

OID (numeric): 1.3.6.1.4.1.207.1.4.167.118.1.6.1.26

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: Number of Invalid TCN BPDUs Received on this port.

What is dot1sCistPortInvalidTcnBpduRxCount?

Counts the number of malformed or invalid Topology Change Notification (TCN) BPDUs received on this port. Invalid TCN BPDUs could indicate a legacy or defective device sending malformed spanning tree messages.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.207.1.4.167.118.1.6.1.26
snmpwalk -v2c -c public <target> AT-GS950-24-MIB::dot1sCistPortInvalidTcnBpduRxCount

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.207.1.4.167.118.1.6.1.26.1
snmpget -v2c -c public <target> AT-GS950-24-MIB::dot1sCistPortInvalidTcnBpduRxCount.1

Start monitoring Allied Telesis smart switches with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the AT-GS950-24-MIB::dot1sCistPortInvalidTcnBpduRxCount OID value, configure state conditions and alerts, and monitor any Allied Telesis smart switches from a single console.

OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.207alliedTelesynAT-RG600-MIB
1.3.6.1.4.1.207.1productsAT-SMI-MIB
1.3.6.1.4.1.207.1.4swhubAtiEdgeSwitch-MIB
Numeric OIDNameModule
1.3.6.1.4.1.207.1.4.167at_GS95024v3AT-GS950-24-MIB
1.3.6.1.4.1.207.1.4.167.118l2MstAT-GS950-24-MIB
1.3.6.1.4.1.207.1.4.167.118.1dot1sMstAT-GS950-24-MIB
1.3.6.1.4.1.207.1.4.167.118.1.6dot1sCistPortTableAT-GS950-24-MIB
1.3.6.1.4.1.207.1.4.167.118.1.6.1dot1sCistPortEntryAT-GS950-24-MIB
1.3.6.1.4.1.207.1.4.167.118.1.6.1.26dot1sCistPortInvalidTcnBpduRxCountAT-GS950-24-MIB