NS-ROOT-MIB :: haLastMasterStateTransitionReason

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsNS-ROOT-MIBhaLastMasterStateTransitionReason

haLastMasterStateTransitionReason

Module: NS-ROOT-MIB

OID (symbolic): NS-ROOT-MIB::haLastMasterStateTransitionReason

OID (numeric): 1.3.6.1.4.1.5951.4.1.1.23.15

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-only

Description: The reason for the last master state transition. This gives the conditions under which this node assumed the current state. The current state is available at the oid sysHighAvailabilityMode.0

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5951.4.1.1.23.15
snmpwalk -v2c -c public <target> NS-ROOT-MIB::haLastMasterStateTransitionReason

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.5951.4.1.1.23.15.1
snmpget -v2c -c public <target> NS-ROOT-MIB::haLastMasterStateTransitionReason.1

Start monitoring Citrix NetScaler / Citrix ADC application delivery controller with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the NS-ROOT-MIB::haLastMasterStateTransitionReason OID value, configure state conditions and alerts, and monitor any Citrix NetScaler / Citrix ADC application delivery controller from a single console.

OID Breakdown

Upper-level ancestors (7 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.5951netScalerMIB
Numeric OIDNameModule
1.3.6.1.4.1.5951.4nsProductsNS-ROOT-MIB
1.3.6.1.4.1.5951.4.1rs9000NS-ROOT-MIB
1.3.6.1.4.1.5951.4.1.1nsSysGroupNS-ROOT-MIB
1.3.6.1.4.1.5951.4.1.1.23nsHighAvailabilityGroupNS-ROOT-MIB
1.3.6.1.4.1.5951.4.1.1.23.15haLastMasterStateTransitionReasonNS-ROOT-MIB