All MIBs › SNMP-TARGET-MIB › snmpUnavailableContexts
snmpUnavailableContexts
Module: SNMP-TARGET-MIB
OID (symbolic): SNMP-TARGET-MIB::snmpUnavailableContexts
OID (numeric): 1.3.6.1.6.3.12.1.4
Node type: OBJECT-TYPE
Type: Counter32
Access: read-only
Description: The total number of packets received by the SNMP engine which were dropped because the context contained in the message was unavailable.
What is snmpUnavailableContexts?
This OID counts SNMP packets received but rejected because they referenced an unknown or unavailable context (a virtual section of the device). It indicates configuration mismatches or requests to missing virtual entities. If this counter increments frequently, it suggests monitoring tools are querying wrong contexts or the device configuration doesn't match expected contexts.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.6.3.12.1.4 snmpwalk -v2c -c public <target> SNMP-TARGET-MIB::snmpUnavailableContexts
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.6.3.12.1.4.1 snmpget -v2c -c public <target> SNMP-TARGET-MIB::snmpUnavailableContexts.1
Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device or management station (notification target address configuration) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the SNMP-TARGET-MIB::snmpUnavailableContexts OID value, configure state conditions and alerts, and monitor any vendor-neutral, standards-based MIB, any SNMPv3-capable network device or management station (notification target address configuration) from a single console.
OID Breakdown
Upper-level ancestors (6 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 |
| 1.3.6.1.6 | snmpV2 | DASAN-DHCP-MIB |
| 1.3.6.1.6.3 | snmpModules | RAPID-CITY |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.6.3.12 | snmpTargetMIB | SNMP-TARGET-MIB |
| 1.3.6.1.6.3.12.1 | snmpTargetObjects | SNMP-TARGET-MIB |
| 1.3.6.1.6.3.12.1.4 | snmpUnavailableContexts | SNMP-TARGET-MIB |