All MIBs › APTIS-MONITOR-MIB › pppSessionStatsTxUnderrunErrors
pppSessionStatsTxUnderrunErrors
Module: APTIS-MONITOR-MIB
OID (symbolic): APTIS-MONITOR-MIB::pppSessionStatsTxUnderrunErrors
OID (numeric): 1.3.6.1.4.1.2637.2.2.1318.1.1212
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: Total number of transmits dropped due to underruns
What is pppSessionStatsTxUnderrunErrors?
Measures transmit failures where the serial interface ran out of data during transmission, leaving the line idle. This indicates the transmit buffer was depleted before the frame completed sending. Underruns suggest CPU contention or insufficient pre-buffering for sustained throughput.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2637.2.2.1318.1.1212 snmpwalk -v2c -c public <target> APTIS-MONITOR-MIB::pppSessionStatsTxUnderrunErrors
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2637.2.2.1318.1.1212.1 snmpget -v2c -c public <target> APTIS-MONITOR-MIB::pppSessionStatsTxUnderrunErrors.1
Start monitoring Nortel Networks Aptis DSL concentrator/access multiplexer (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the APTIS-MONITOR-MIB::pppSessionStatsTxUnderrunErrors OID value, configure state conditions and alerts, and monitor any Nortel Networks Aptis DSL concentrator/access multiplexer (legacy) from a single console.
OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.2637 | aptis | APTIS-MIB |
| 1.3.6.1.4.1.2637.2 | aptis_generic | APTIS-MIB |
| 1.3.6.1.4.1.2637.2.2 | aptis_monitoring | APTIS-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2637.2.2.1318 | pppSessionStatsTable | APTIS-MONITOR-MIB |
| 1.3.6.1.4.1.2637.2.2.1318.1 | pppSessionStatsEntry | APTIS-MONITOR-MIB |
| 1.3.6.1.4.1.2637.2.2.1318.1.1212 | pppSessionStatsTxUnderrunErrors | APTIS-MONITOR-MIB |