FORTINET-300-MIB :: fnSysMemCapacity

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsFORTINET-300-MIBfnSysMemCapacity

fnSysMemCapacity

Module: FORTINET-300-MIB

OID (symbolic): FORTINET-300-MIB::fnSysMemCapacity

OID (numeric): 1.3.6.1.4.1.12356.1.13

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: Physical memory installed (KB)

What is fnSysMemCapacity?

Reports the total physical RAM installed on the appliance, in kilobytes. An admin uses this as the denominator when interpreting fnSysMemUsage's percentage figure, or to confirm a memory upgrade took effect.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.12356.1.13
snmpwalk -v2c -c public <target> FORTINET-300-MIB::fnSysMemCapacity

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.12356.1.13.1
snmpget -v2c -c public <target> FORTINET-300-MIB::fnSysMemCapacity.1

Start monitoring Fortinet FortiGate firewall/UTM appliance (legacy FortiOS 3.00) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the FORTINET-300-MIB::fnSysMemCapacity OID value, configure state conditions and alerts, and monitor any Fortinet FortiGate firewall/UTM appliance (legacy FortiOS 3.00) from a single console.

OID Breakdown

Upper-level ancestors (6 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
Numeric OIDNameModule
1.3.6.1.4.1.12356fortinetFORTINET-300-MIB
1.3.6.1.4.1.12356.1fnSystemFORTINET-300-MIB
1.3.6.1.4.1.12356.1.13fnSysMemCapacityFORTINET-300-MIB