All MIBs › CM-ALARM-MIB › cmAlmLastChange
cmAlmLastChange
Module: CM-ALARM-MIB
OID (symbolic): CM-ALARM-MIB::cmAlmLastChange
OID (numeric): 1.3.6.1.4.1.2544.1.12.6.1.1.1
Node type: OBJECT-TYPE
Type: TimeStamp
Access: read-only
Description: A snapshot of the value of sysUpTime when the alarm situation last changed on the node (ie. there was a raise or clear).
This value is reset to zero when the agent initializes.
What is cmAlmLastChange?
This read-only TimeStamp is a snapshot of sysUpTime taken the last time the alarm situation on the node changed (a raise or a clear), and it resets to zero when the agent initializes. An admin cares because it lets them gauge how long ago the last alarm transition happened, a quick indicator of alarm stability on the device. For example, if cmAlmLastChange hasn't moved in weeks, the device's alarm state has been stable since then, while a very recent value flags a just-occurred raise or clear worth investigating.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.6.1.1.1 snmpwalk -v2c -c public <target> CM-ALARM-MIB::cmAlmLastChange
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.6.1.1.1.1 snmpget -v2c -c public <target> CM-ALARM-MIB::cmAlmLastChange.1
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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 |
| 1.3.6.1.4.1.2544 | advaMIB | ADVA-MIB |
| 1.3.6.1.4.1.2544.1 | products | ADVA-MIB |
| 1.3.6.1.4.1.2544.1.12 | fsp150cm | ADVA-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.6 | cmAlarmMIB | CM-ALARM-MIB |
| 1.3.6.1.4.1.2544.1.12.6.1 | alarmObjects | CM-ALARM-MIB |
| 1.3.6.1.4.1.2544.1.12.6.1.1 | cmAlarmScalars | CM-ALARM-MIB |
| 1.3.6.1.4.1.2544.1.12.6.1.1.1 | cmAlmLastChange | CM-ALARM-MIB |