ADTRAN-AOS-VQM :: adVqmCallHistUnderrunDiscardPkts

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsADTRAN-AOS-VQMadVqmCallHistUnderrunDiscardPkts

adVqmCallHistUnderrunDiscardPkts

Module: ADTRAN-AOS-VQM

OID (symbolic): ADTRAN-AOS-VQM::adVqmCallHistUnderrunDiscardPkts

OID (numeric): 1.3.6.1.4.1.664.5.53.5.3.7.1.1.91

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: Total number of packets discarded by SJB due to jitter buffer underrun.

What is adVqmCallHistUnderrunDiscardPkts?

This counter tracks packets lost because the buffer ran empty before they arrived. It indicates the buffer can't keep up with network variability. Underrun discards mean the configured buffer is too small.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.664.5.53.5.3.7.1.1.91
snmpwalk -v2c -c public <target> ADTRAN-AOS-VQM::adVqmCallHistUnderrunDiscardPkts

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.664.5.53.5.3.7.1.1.91.1
snmpget -v2c -c public <target> ADTRAN-AOS-VQM::adVqmCallHistUnderrunDiscardPkts.1

Start monitoring ADTRAN NetVanta/SDG-series AOS devices with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ADTRAN-AOS-VQM::adVqmCallHistUnderrunDiscardPkts OID value, configure state conditions and alerts, and monitor any ADTRAN NetVanta/SDG-series AOS devices from a single console.

OID Breakdown

Upper-level ancestors (10 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
1.3.6.1.4.1.664adtranADTRAN-ACTDAXL3-MIB
1.3.6.1.4.1.664.5adSharedADTRAN-MIB
1.3.6.1.4.1.664.5.53adGenAOSADTRAN-AOS
1.3.6.1.4.1.664.5.53.5adGenAOSVoiceADTRAN-AOS
Numeric OIDNameModule
1.3.6.1.4.1.664.5.53.5.3adVQMADTRAN-AOS-VQM
1.3.6.1.4.1.664.5.53.5.3.7adVQMHistoryADTRAN-AOS-VQM
1.3.6.1.4.1.664.5.53.5.3.7.1adVQMCallHistoryTableADTRAN-AOS-VQM
1.3.6.1.4.1.664.5.53.5.3.7.1.1adVQMCallHistoryEntryADTRAN-AOS-VQM
1.3.6.1.4.1.664.5.53.5.3.7.1.1.91adVqmCallHistUnderrunDiscardPktsADTRAN-AOS-VQM