HC-RMON-MIB :: mediaIndependentDuplexLastChange

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHC-RMON-MIBmediaIndependentDuplexLastChange

mediaIndependentDuplexLastChange

Module: HC-RMON-MIB

OID (symbolic): HC-RMON-MIB::mediaIndependentDuplexLastChange

OID (numeric): 1.3.6.1.2.1.16.21.1.1.29

Node type: OBJECT-TYPE

Type: TimeStamp

Access: read-only

Description: The value of sysUpTime at the time the duplex status of this link last changed.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.16.21.1.1.29
snmpwalk -v2c -c public <target> HC-RMON-MIB::mediaIndependentDuplexLastChange

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.16.21.1.1.29.1
snmpget -v2c -c public <target> HC-RMON-MIB::mediaIndependentDuplexLastChange.1

Start monitoring Vendor-neutral RMON probe/switch/router, any manufacturer (High Capacity RMON) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HC-RMON-MIB::mediaIndependentDuplexLastChange OID value, configure state conditions and alerts, and monitor any Vendor-neutral RMON probe/switch/router, any manufacturer (High Capacity RMON) 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
1.3.6.1.2mgmtAXON-MIB
1.3.6.1.2.1mib_2AXON-MIB
1.3.6.1.2.1.16rmonLBHUB-BOOM-MIB
Numeric OIDNameModule
1.3.6.1.2.1.16.21mediaIndependentStatsHC-RMON-MIB
1.3.6.1.2.1.16.21.1mediaIndependentTableHC-RMON-MIB
1.3.6.1.2.1.16.21.1.1mediaIndependentEntryHC-RMON-MIB
1.3.6.1.2.1.16.21.1.1.29mediaIndependentDuplexLastChangeHC-RMON-MIB