All MIBs › BIANCA-BRICK-X21-MIB › x21IfTxUnderruns
x21IfTxUnderruns
Module: BIANCA-BRICK-X21-MIB
OID (symbolic): BIANCA-BRICK-X21-MIB::x21IfTxUnderruns
OID (numeric): 1.3.6.1.4.1.272.4.10.1.1.19
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Count of transmitter underruns. The serial data for the X21 card is supplied too slowly.
What is x21IfTxUnderruns?
Counts transmitter underrun events, which occur when data is fed to the X21 card too slowly to keep the transmit stream going. This usually points to a bottleneck upstream of the X21 hardware rather than a problem with the line itself.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.272.4.10.1.1.19 snmpwalk -v2c -c public <target> BIANCA-BRICK-X21-MIB::x21IfTxUnderruns
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.272.4.10.1.1.19.1 snmpget -v2c -c public <target> BIANCA-BRICK-X21-MIB::x21IfTxUnderruns.1
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OID Breakdown
Upper-level ancestors (8 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 |
| 1.3.6.1.4.1.272 | bintec | BIANCA-BOX-ISDN-MIB |
| 1.3.6.1.4.1.272.4 | bibo | BIANCA-BOX-ISDN-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.272.4.10 | x21 | BIANCA-BRICK-X21-MIB |
| 1.3.6.1.4.1.272.4.10.1 | x21IfTable | BIANCA-BRICK-X21-MIB |
| 1.3.6.1.4.1.272.4.10.1.1 | x21IfEntry | BIANCA-BRICK-X21-MIB |
| 1.3.6.1.4.1.272.4.10.1.1.19 | x21IfTxUnderruns | BIANCA-BRICK-X21-MIB |