IBM-RXR-MIB :: rxr1dStpRootPort

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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rxr1dStpRootPort

Module: IBM-RXR-MIB

OID (symbolic): IBM-RXR-MIB::rxr1dStpRootPort

OID (numeric): 1.3.6.1.4.1.2.6.26.1.2.7

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: The port number of the port which offers the lowest cost path from this bridge to the root bridge.

What is rxr1dStpRootPort?

Identifies which port on this bridge offers the lowest-cost path toward the spanning tree root — the port STP has selected to actually forward traffic upstream — letting an admin confirm traffic is exiting the expected uplink.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.26.1.2.7
snmpwalk -v2c -c public <target> IBM-RXR-MIB::rxr1dStpRootPort

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.26.1.2.7.1
snmpget -v2c -c public <target> IBM-RXR-MIB::rxr1dStpRootPort.1

Start monitoring IBM RouteXpander router/bridge (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IBM-RXR-MIB::rxr1dStpRootPort OID value, configure state conditions and alerts, and monitor any IBM RouteXpander router/bridge (legacy) 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
1.3.6.1.4.1.2.6.26routeXpanderIBM-RXR-MIB
1.3.6.1.4.1.2.6.26.1rxr1dBridgeIBM-RXR-MIB
1.3.6.1.4.1.2.6.26.1.2rxr1dStpIBM-RXR-MIB
1.3.6.1.4.1.2.6.26.1.2.7rxr1dStpRootPortIBM-RXR-MIB