HM2-L2REDUNDANCY-MIB :: hm2MrpRingOperState

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHM2-L2REDUNDANCY-MIBhm2MrpRingOperState

hm2MrpRingOperState

Module: HM2-L2REDUNDANCY-MIB

OID (symbolic): HM2-L2REDUNDANCY-MIB::hm2MrpRingOperState

OID (numeric): 1.3.6.1.4.1.248.11.40.1.1.1.1.23

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Actual ring state of the MRP redundancy domain. The ring state can only be detected by the MRM. open(1) indicates that the ring is open. closed(2) indicates that the ring is closed. undefined(3) indicates an undefined ring state or is read if hm2MrpRoleOperState indicates the value client.

What is hm2MrpRingOperState?

Shows the ring's actual physical state as seen by the manager: open (broken somewhere), closed (intact), or undefined (only meaningful on the manager; clients always read undefined). This is the primary health indicator for the ring.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.248.11.40.1.1.1.1.23
snmpwalk -v2c -c public <target> HM2-L2REDUNDANCY-MIB::hm2MrpRingOperState

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.248.11.40.1.1.1.1.23.1
snmpget -v2c -c public <target> HM2-L2REDUNDANCY-MIB::hm2MrpRingOperState.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::hm2MrpRingOperState 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
1.3.6.1.4.1.248.11.40.1.1.1.1.23hm2MrpRingOperStateHM2-L2REDUNDANCY-MIB