DTRConcentratorMIB :: dtrCRFPortSpTreeState

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DTRConcentratorMIB › dtrCRFPortSpTreeState

dtrCRFPortSpTreeState

Module: DTRConcentratorMIB

OID (symbolic): DTRConcentratorMIB::dtrCRFPortSpTreeState

OID (numeric): 1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.10.1.4

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The CRF Port state as defined by the Spanning Tree. If the DTR concentrator detects that a port is malfunctioning, it will place that port into the broken(6) state. the states are defined as: disabled(1), blocking(2), listening(3), learning(4), forwarding(5), and broken(6).

What is dtrCRFPortSpTreeState?

Reports this CRF port's current spanning-tree state - disabled, blocking, listening, learning, forwarding, or broken(6) if the concentrator has detected the port is malfunctioning.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.10.1.4
snmpwalk -v2c -c public <target> DTRConcentratorMIB::dtrCRFPortSpTreeState

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.10.1.4.1
snmpget -v2c -c public <target> DTRConcentratorMIB::dtrCRFPortSpTreeState.1

Start monitoring IBM Token Ring DTR concentrators with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DTRConcentratorMIB::dtrCRFPortSpTreeState OID value, configure state conditions and alerts, and monitor any IBM Token Ring DTR concentrators from a single console.

OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.2ibmATM-ADAPTER-MIB
1.3.6.1.4.1.2.6ibmProdATM-ADAPTER-MIB
Numeric OIDNameModule
1.3.6.1.4.1.2.6.66ibm8272DTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1ibm8272TsDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3ibm8272TsExpMIBsDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1dtrMIBsDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1dtrConcMIBDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1.1dtrConcMIBObjectsDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1.1.2dtrConcMIBSpTreeDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.10dtrCRFPortSpTreeTableDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.10.1dtrCRFPortSpTreeEntryDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.10.1.4dtrCRFPortSpTreeStateDTRConcentratorMIB