HOST-RESOURCES-V2-MIB :: hrMemorySize

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsHOST-RESOURCES-V2-MIBhrMemorySize

hrMemorySize

Module: HOST-RESOURCES-V2-MIB

OID (symbolic): HOST-RESOURCES-V2-MIB::hrMemorySize

OID (numeric): 1.3.6.1.2.1.25.2.2

Node type: OBJECT-TYPE

Type: KBytes

Access: read-only

Description: The amount of physical main memory contained by the host.

What is hrMemorySize?

This read-only value, in KBytes, gives the amount of physical main memory (RAM) installed in the host. Admins read it once to know the total physical memory available, then compare it against hrStorage entries of type hrStorageRam to see how much is actually in use.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.25.2.2
snmpwalk -v2c -c public <target> HOST-RESOURCES-V2-MIB::hrMemorySize

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.25.2.2.1
snmpget -v2c -c public <target> HOST-RESOURCES-V2-MIB::hrMemorySize.1

Start monitoring Vendor-neutral IETF standard (Host Resources extension) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the HOST-RESOURCES-V2-MIB::hrMemorySize OID value, configure state conditions and alerts, and monitor any Vendor-neutral IETF standard (Host Resources extension) 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
1.3.6.1.2mgmtAXON-MIB
1.3.6.1.2.1mib_2AXON-MIB
1.3.6.1.2.1.25hostHOST-RESOURCES-MIB
1.3.6.1.2.1.25.2hrStorageHOST-RESOURCES-MIB
Numeric OIDNameModule
1.3.6.1.2.1.25.2.2hrMemorySizeHOST-RESOURCES-V2-MIB