FORTINET-300-MIB :: fnSysVersion

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsFORTINET-300-MIBfnSysVersion

fnSysVersion

Module: FORTINET-300-MIB

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

OID (numeric): 1.3.6.1.4.1.12356.1.3

Node type: OBJECT-TYPE

Type: DisplayString

Access: read-only

Description: Device firmware version

What is fnSysVersion?

Reports the FortiOS firmware version string currently running on the device. An admin checks this before applying a firmware upgrade to confirm the starting version, or to audit fleet-wide compliance with a minimum patch level.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.12356.1.3
snmpwalk -v2c -c public <target> FORTINET-300-MIB::fnSysVersion

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.12356.1.3.1
snmpget -v2c -c public <target> FORTINET-300-MIB::fnSysVersion.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::fnSysVersion 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
1.3.6.1.4.1.12356.1.3fnSysVersionFORTINET-300-MIB