IF-MIB :: ifStackLastChange

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsIF-MIBifStackLastChange

ifStackLastChange

Module: IF-MIB

OID (symbolic): IF-MIB::ifStackLastChange

OID (numeric): 1.3.6.1.2.1.31.1.6

Node type: OBJECT-TYPE

Type: TimeTicks

Access: read-only

Description: The value of sysUpTime at the time of the last change of the (whole) interface stack. A change of the interface stack is defined to be any creation, deletion, or change in value of any instance of ifStackStatus. If the interface stack has been unchanged since the last re-initialization of the local network management subsystem, then this object contains a zero value.

What is ifStackLastChange?

This OID records how long the system has been running since the interface stack configuration last changed (any port added, removed, or reconfigured). If zero, the configuration hasn't changed since the system started. Operators use this to verify when network interfaces were last modified and to correlate interface changes with service issues.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.31.1.6
snmpwalk -v2c -c public <target> IF-MIB::ifStackLastChange

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.31.1.6.1
snmpget -v2c -c public <target> IF-MIB::ifStackLastChange.1

Start monitoring SNMP-managed network devices with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IF-MIB::ifStackLastChange OID value, configure state conditions and alerts, and monitor any SNMP-managed network devices from a single console.

OID Breakdown

Upper-level ancestors (6 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.2mgmtAXON-MIB
1.3.6.1.2.1mib_2AXON-MIB
Numeric OIDNameModule
1.3.6.1.2.1.31ifMIBIF-MIB
1.3.6.1.2.1.31.1ifMIBObjectsIF-MIB
1.3.6.1.2.1.31.1.6ifStackLastChangeIF-MIB