DTRConcentratorMIB :: dtrCRFSpTreeDesignatedRoot

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DTRConcentratorMIB › dtrCRFSpTreeDesignatedRoot

dtrCRFSpTreeDesignatedRoot

Module: DTRConcentratorMIB

OID (symbolic): DTRConcentratorMIB::dtrCRFSpTreeDesignatedRoot

OID (numeric): 1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.9.1.3

Node type: OBJECT-TYPE

Type: BridgeId

Access: read-only

Description: The bridge identifier of the root of the spanning tree as determined by the spanning tree protocol executed at this node

What is dtrCRFSpTreeDesignatedRoot?

Reports the bridge identifier of the spanning tree root as currently determined by this CRF's execution of the spanning tree protocol.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.9.1.3
snmpwalk -v2c -c public <target> DTRConcentratorMIB::dtrCRFSpTreeDesignatedRoot

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.9.1.3.1
snmpget -v2c -c public <target> DTRConcentratorMIB::dtrCRFSpTreeDesignatedRoot.1

Start monitoring IBM Token Ring DTR concentrators with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DTRConcentratorMIB::dtrCRFSpTreeDesignatedRoot 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
1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.9dtrCRFSpTreeTableDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.9.1dtrCRFSpTreeEntryDTRConcentratorMIB
1.3.6.1.4.1.2.6.66.1.3.1.1.1.2.9.1.3dtrCRFSpTreeDesignatedRootDTRConcentratorMIB