UB-INTERNETWORKING-MIB :: rxFifoUnderflows

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsUB-INTERNETWORKING-MIBrxFifoUnderflows

rxFifoUnderflows

Module: UB-INTERNETWORKING-MIB

OID (symbolic): UB-INTERNETWORKING-MIB::rxFifoUnderflows

OID (numeric): 1.3.6.1.4.1.75.1.2.1.4.1.2.1.8

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

What is rxFifoUnderflows?

Counts receive FIFO underflow events on this card's plus-bus interface, a hardware condition where the receive buffer ran empty faster than expected during a frame read, typically pointing at a card or backplane timing fault.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.75.1.2.1.4.1.2.1.8
snmpwalk -v2c -c public <target> UB-INTERNETWORKING-MIB::rxFifoUnderflows

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.75.1.2.1.4.1.2.1.8.1
snmpget -v2c -c public <target> UB-INTERNETWORKING-MIB::rxFifoUnderflows.1

Start monitoring UB Networks (Ungermann-Bass) routers and bridges with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the UB-INTERNETWORKING-MIB::rxFifoUnderflows OID value, configure state conditions and alerts, and monitor any UB Networks (Ungermann-Bass) routers and bridges from a single console.

OID Breakdown

Upper-level ancestors (6 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
Numeric OIDNameModule
1.3.6.1.4.1.75ubNodeUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1ubEquipUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1.2ubInternetworkingUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1.2.1ubRISCFddiBrouterUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1.2.1.4ubInPortUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1.2.1.4.1plusbusUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1.2.1.4.1.2plusbusStatsTableUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1.2.1.4.1.2.1plusbusStatsEntryUB-INTERNETWORKING-MIB
1.3.6.1.4.1.75.1.2.1.4.1.2.1.8rxFifoUnderflowsUB-INTERNETWORKING-MIB