Wellfleet-ISDN-MIB :: wfIsdnBriTxUnderFlows

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › Wellfleet-ISDN-MIB › wfIsdnBriTxUnderFlows

wfIsdnBriTxUnderFlows

Module: Wellfleet-ISDN-MIB

OID (symbolic): Wellfleet-ISDN-MIB::wfIsdnBriTxUnderFlows

OID (numeric): 1.3.6.1.4.1.18.3.5.9.8.9.1.24

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: Number of transmission underflows, device FIFO went empty before driver could replenish with more data

What is wfIsdnBriTxUnderFlows?

Counts transmit underflows on this BRI interface, where the device's transmit FIFO ran empty before the driver could refill it with more data -- a sign of a driver or bus performance bottleneck feeding the interface.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.18.3.5.9.8.9.1.24
snmpwalk -v2c -c public <target> Wellfleet-ISDN-MIB::wfIsdnBriTxUnderFlows

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.18.3.5.9.8.9.1.24.1
snmpget -v2c -c public <target> Wellfleet-ISDN-MIB::wfIsdnBriTxUnderFlows.1

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OID Breakdown

Upper-level ancestors (11 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
1.3.6.1.4.1.18wellfleetCMU-MIB
1.3.6.1.4.1.18.3wfSwSeries7Wellfleet-COMMON-MIB
1.3.6.1.4.1.18.3.5wfApplicationWellfleet-COMMON-MIB
1.3.6.1.4.1.18.3.5.9wfWanGroupWellfleet-COMMON-MIB
1.3.6.1.4.1.18.3.5.9.8wfIsdnGroupWellfleet-COMMON-MIB
Numeric OIDNameModule
1.3.6.1.4.1.18.3.5.9.8.9wfIsdnBriInterfaceTableWellfleet-ISDN-MIB
1.3.6.1.4.1.18.3.5.9.8.9.1wfIsdnBriInterfaceEntryWellfleet-ISDN-MIB
1.3.6.1.4.1.18.3.5.9.8.9.1.24wfIsdnBriTxUnderFlowsWellfleet-ISDN-MIB