JUNIPER-MIMSTP-MIB :: jnxMIMstCistPortTxTcnBpduCount

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsJUNIPER-MIMSTP-MIBjnxMIMstCistPortTxTcnBpduCount

jnxMIMstCistPortTxTcnBpduCount

Module: JUNIPER-MIMSTP-MIB

OID (symbolic): JUNIPER-MIMSTP-MIB::jnxMIMstCistPortTxTcnBpduCount

OID (numeric): 1.3.6.1.4.1.2636.3.46.1.1.6.1.22

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: Number of TCN BPDUs Transmitted from this port.

What is jnxMIMstCistPortTxTcnBpduCount?

A counter of legacy Topology Change Notification BPDUs transmitted from this port. It rises whenever this switch itself detects a topology change and is falling back to the classic 802.1D notification mechanism on this link.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2636.3.46.1.1.6.1.22
snmpwalk -v2c -c public <target> JUNIPER-MIMSTP-MIB::jnxMIMstCistPortTxTcnBpduCount

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2636.3.46.1.1.6.1.22.1
snmpget -v2c -c public <target> JUNIPER-MIMSTP-MIB::jnxMIMstCistPortTxTcnBpduCount.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> jnxMIMstCistPortTxTcnBpduCount.1

Start monitoring Juniper EX-series Ethernet switch (MIMSTP, any generation) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the JUNIPER-MIMSTP-MIB::jnxMIMstCistPortTxTcnBpduCount OID value, configure state conditions and alerts, and monitor any Juniper EX-series Ethernet switch (MIMSTP, any generation) 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
1.3.6.1.4.1.2636juniperMIBJUNIPER-SMI
1.3.6.1.4.1.2636.3jnxMibsJUNIPER-SMI
1.3.6.1.4.1.2636.3.46jnxXstpMibsJUNIPER-SMI
Numeric OIDNameModule
1.3.6.1.4.1.2636.3.46.1jnxMIMstMIBJUNIPER-MIMSTP-MIB
1.3.6.1.4.1.2636.3.46.1.1jnxMIDot1sJuniperMstJUNIPER-MIMSTP-MIB
1.3.6.1.4.1.2636.3.46.1.1.6jnxMIMstCistPortTableJUNIPER-MIMSTP-MIB
1.3.6.1.4.1.2636.3.46.1.1.6.1jnxMIMstCistPortEntryJUNIPER-MIMSTP-MIB
1.3.6.1.4.1.2636.3.46.1.1.6.1.22jnxMIMstCistPortTxTcnBpduCountJUNIPER-MIMSTP-MIB