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sysIfInDiscards
Module: MPIOS-MIB
OID (symbolic): MPIOS-MIB::sysIfInDiscards
OID (numeric): 1.3.6.1.4.1.5651.3.20.1.1.300.1.100.1.7
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: The number of inbound packets which were chosen to be discarded
What is sysIfInDiscards?
This is a running counter of inbound packets at this row's IP precedence level that were deliberately discarded (for example due to buffer limits), even though they contained no errors. An admin sees this rise when a specific priority queue is being dropped under congestion, which can point to insufficient bandwidth or buffer allocation for that traffic class.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5651.3.20.1.1.300.1.100.1.7 snmpwalk -v2c -c public <target> MPIOS-MIB::sysIfInDiscards
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.5651.3.20.1.1.300.1.100.1.7.1 snmpget -v2c -c public <target> MPIOS-MIB::sysIfInDiscards.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 |
| 1.3.6.1.4.1.5651 | maipu | MAIPU-SMI |
| 1.3.6.1.4.1.5651.3 | mpMgmt | MAIPU-SMI |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.5651.3.20 | mpios | MPIOS-MIB |
| 1.3.6.1.4.1.5651.3.20.1 | iosSystem | MPIOS-MIB |
| 1.3.6.1.4.1.5651.3.20.1.1 | iosObjects | MPIOS-MIB |
| 1.3.6.1.4.1.5651.3.20.1.1.300 | sysIfStatistic | MPIOS-MIB |
| 1.3.6.1.4.1.5651.3.20.1.1.300.1 | sysIfPktPriStatistics | MPIOS-MIB |
| 1.3.6.1.4.1.5651.3.20.1.1.300.1.100 | sysIfPktPriStaTable | MPIOS-MIB |
| 1.3.6.1.4.1.5651.3.20.1.1.300.1.100.1 | sysIfPktPriStaEntry | MPIOS-MIB |
| 1.3.6.1.4.1.5651.3.20.1.1.300.1.100.1.7 | sysIfInDiscards | MPIOS-MIB |