HM2-INDUSTRIAL-PROTOCOLS-MIB :: hm2ModbusTcpServerSessionsCount

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHM2-INDUSTRIAL-PROTOCOLS-MIBhm2ModbusTcpServerSessionsCount

hm2ModbusTcpServerSessionsCount

Module: HM2-INDUSTRIAL-PROTOCOLS-MIB

OID (symbolic): HM2-INDUSTRIAL-PROTOCOLS-MIB::hm2ModbusTcpServerSessionsCount

OID (numeric): 1.3.6.1.4.1.248.11.101.1.4.2.1

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: Current number of active sessions to the Modbus TCP server.

What is hm2ModbusTcpServerSessionsCount?

The current number of active Modbus TCP client sessions on the switch, which an admin checks against hm2ModbusTcpServerMaxSessionsCount to see if the server is near its session limit.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.248.11.101.1.4.2.1
snmpwalk -v2c -c public <target> HM2-INDUSTRIAL-PROTOCOLS-MIB::hm2ModbusTcpServerSessionsCount

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.248.11.101.1.4.2.1.1
snmpget -v2c -c public <target> HM2-INDUSTRIAL-PROTOCOLS-MIB::hm2ModbusTcpServerSessionsCount.1

Start monitoring Hirschmann HiOS industrial Ethernet switch (IEC 61850 MMS server) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HM2-INDUSTRIAL-PROTOCOLS-MIB::hm2ModbusTcpServerSessionsCount OID value, configure state conditions and alerts, and monitor any Hirschmann HiOS industrial Ethernet switch (IEC 61850 MMS server) 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
1.3.6.1.4.1.248.11.101hm2IndustrialProtocolsMibHM2-INDUSTRIAL-PROTOCOLS-MIB
1.3.6.1.4.1.248.11.101.1hm2IndustrialProtocolsMibObjectsHM2-INDUSTRIAL-PROTOCOLS-MIB
1.3.6.1.4.1.248.11.101.1.4hm2ModbusGroupHM2-INDUSTRIAL-PROTOCOLS-MIB
1.3.6.1.4.1.248.11.101.1.4.2hm2ModbusStatisticsGroupHM2-INDUSTRIAL-PROTOCOLS-MIB
1.3.6.1.4.1.248.11.101.1.4.2.1hm2ModbusTcpServerSessionsCountHM2-INDUSTRIAL-PROTOCOLS-MIB