HM2-L2REDUNDANCY-MIB :: hm2MrpMRMLastRingOpenChange

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHM2-L2REDUNDANCY-MIBhm2MrpMRMLastRingOpenChange

hm2MrpMRMLastRingOpenChange

Module: HM2-L2REDUNDANCY-MIB

OID (symbolic): HM2-L2REDUNDANCY-MIB::hm2MrpMRMLastRingOpenChange

OID (numeric): 1.3.6.1.4.1.248.11.40.1.1.1.1.17

Node type: OBJECT-TYPE

Type: Unsigned32

Access: read-only

Description: The local time at which the ring state last changed to ring open. Measured in seconds since 00:00:00, January 1, 1970.

What is hm2MrpMRMLastRingOpenChange?

The Unix timestamp (seconds since 1970) of the most recent time the ring state changed to open, useful for correlating a ring-open event with other network incidents.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.248.11.40.1.1.1.1.17
snmpwalk -v2c -c public <target> HM2-L2REDUNDANCY-MIB::hm2MrpMRMLastRingOpenChange

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.248.11.40.1.1.1.1.17.1
snmpget -v2c -c public <target> HM2-L2REDUNDANCY-MIB::hm2MrpMRMLastRingOpenChange.1

Start monitoring Hirschmann HiOS industrial Ethernet switch (MRP ring/RSTP redundancy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HM2-L2REDUNDANCY-MIB::hm2MrpMRMLastRingOpenChange OID value, configure state conditions and alerts, and monitor any Hirschmann HiOS industrial Ethernet switch (MRP ring/RSTP redundancy) from a single console.

OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.248hirschmannHM2-TC-MIB
1.3.6.1.4.1.248.11hm2ConfigurationMibsHM2-TC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.248.11.40hm2L2RedundancyMibHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1hm2L2RedundancyMibObjectsHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1.1hm2MrpMibGroupHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1.1.1hm2MrpTableHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1.1.1.1hm2MrpEntryHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1.1.1.1.17hm2MrpMRMLastRingOpenChangeHM2-L2REDUNDANCY-MIB