MRV-IR-SYSTEM-MIB :: irSysSubnetMask

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsMRV-IR-SYSTEM-MIBirSysSubnetMask

irSysSubnetMask

Module: MRV-IR-SYSTEM-MIB

OID (symbolic): MRV-IR-SYSTEM-MIB::irSysSubnetMask

OID (numeric): 1.3.6.1.4.1.33.100.1.1.7

Node type: OBJECT-TYPE

Type: IpAddress

Access: read-only

Description: The IP subnet mask assigned to the ethernet interface.

What is irSysSubnetMask?

Reports the subnet mask assigned to the device's Ethernet management interface, used alongside the interface's IP address to determine its local network range.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.33.100.1.1.7
snmpwalk -v2c -c public <target> MRV-IR-SYSTEM-MIB::irSysSubnetMask

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.33.100.1.1.7.1
snmpget -v2c -c public <target> MRV-IR-SYSTEM-MIB::irSysSubnetMask.1

Start monitoring MRV In-Reach LX console/terminal server (system/firmware/IP config) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the MRV-IR-SYSTEM-MIB::irSysSubnetMask OID value, configure state conditions and alerts, and monitor any MRV In-Reach LX console/terminal server (system/firmware/IP config) 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
1.3.6.1.4.1.33iTouchITOUCH-MIB
1.3.6.1.4.1.33.100mrvLxMRV-IR-HDAM-MIB
Numeric OIDNameModule
1.3.6.1.4.1.33.100.1irSystemMibMRV-IR-SYSTEM-MIB
1.3.6.1.4.1.33.100.1.1irSysSystemMRV-IR-SYSTEM-MIB
1.3.6.1.4.1.33.100.1.1.7irSysSubnetMaskMRV-IR-SYSTEM-MIB