HM2-L2REDUNDANCY-MIB :: hm2SrmSubRingOperState

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHM2-L2REDUNDANCY-MIBhm2SrmSubRingOperState

hm2SrmSubRingOperState

Module: HM2-L2REDUNDANCY-MIB

OID (symbolic): HM2-L2REDUNDANCY-MIB::hm2SrmSubRingOperState

OID (numeric): 1.3.6.1.4.1.248.11.40.1.4.3.1.11

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-only

Description: Operational state of the sub-ring in the SRM domain. undefined(1) indicates an undefined sub-ring state. open(2) indicates that the sub-ring is opened. closed(3) indicates that the sub-ring is closed.

What is hm2SrmSubRingOperState?

Shows whether the sub-ring itself is undefined, open (broken), or closed (intact), the sub-ring equivalent of the main MRP ring's open/closed state.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.248.11.40.1.4.3.1.11
snmpwalk -v2c -c public <target> HM2-L2REDUNDANCY-MIB::hm2SrmSubRingOperState

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.248.11.40.1.4.3.1.11.1
snmpget -v2c -c public <target> HM2-L2REDUNDANCY-MIB::hm2SrmSubRingOperState.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::hm2SrmSubRingOperState 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
1.3.6.1.4.1.248.11.40.1.4hm2SrmMibGroupHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1.4.3hm2SrmTableHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1.4.3.1hm2SrmEntryHM2-L2REDUNDANCY-MIB
1.3.6.1.4.1.248.11.40.1.4.3.1.11hm2SrmSubRingOperStateHM2-L2REDUNDANCY-MIB