HC-RMON-MIB :: mediaIndependentDuplexLastChange

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › HC-RMON-MIB › mediaIndependentDuplexLastChange

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.

What is mediaIndependentDuplexLastChange?

The sysUpTime value recorded the last time this link's duplex mode changed, letting an admin see how long ago (or how recently and repeatedly) the duplex setting flipped.

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
1.3.6.1.2mgmtAPERTUS-NPG-MIB
1.3.6.1.2.1mib_2AXON-MIB
1.3.6.1.2.1.16rmonITOUCHHUB
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