IBM-RXR-MIB :: rxr1dBasePortMtuExceededDiscards

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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rxr1dBasePortMtuExceededDiscards

Module: IBM-RXR-MIB

OID (symbolic): IBM-RXR-MIB::rxr1dBasePortMtuExceededDiscards

OID (numeric): 1.3.6.1.4.1.2.6.26.1.1.4.1.5

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: The number of frames discarded by this port due to an excessive size. It is incremented by both transparent and source route bridges.

What is rxr1dBasePortMtuExceededDiscards?

Counts frames this port dropped for being oversized, tallied for both transparent and source-route bridged traffic. An admin sees this counter rise if a device on the segment is sending frames larger than the bridge or outgoing segment can handle, e.g. a jumbo-frame mismatch.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.26.1.1.4.1.5
snmpwalk -v2c -c public <target> IBM-RXR-MIB::rxr1dBasePortMtuExceededDiscards

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.26.1.1.4.1.5.1
snmpget -v2c -c public <target> IBM-RXR-MIB::rxr1dBasePortMtuExceededDiscards.1

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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
1.3.6.1.4.1.2.6.26.1.1rxr1dBaseIBM-RXR-MIB
1.3.6.1.4.1.2.6.26.1.1.4rxr1dBasePortTableIBM-RXR-MIB
1.3.6.1.4.1.2.6.26.1.1.4.1rxr1dBasePortEntryIBM-RXR-MIB
1.3.6.1.4.1.2.6.26.1.1.4.1.5rxr1dBasePortMtuExceededDiscardsIBM-RXR-MIB