FORTINET-MIB-280 :: fnSysVersion

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsFORTINET-MIB-280fnSysVersion

fnSysVersion

Module: FORTINET-MIB-280

OID (symbolic): FORTINET-MIB-280::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?

This is the firmware (FortiOS) version string currently running on this FortiGate device. Admins check this to confirm all units in a cluster or fleet are on the expected firmware level before applying policy changes or planning an upgrade.

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-MIB-280::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-MIB-280::fnSysVersion.1

Start monitoring Fortinet FortiGate security appliance (legacy firmware 2.80) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the FORTINET-MIB-280::fnSysVersion OID value, configure state conditions and alerts, and monitor any Fortinet FortiGate security appliance (legacy firmware 2.80) 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
1.3.6.1.4.1.12356fortinetFORTINET-300-MIB
1.3.6.1.4.1.12356.1fnSystemFORTINET-300-MIB
Numeric OIDNameModule
1.3.6.1.4.1.12356.1.3fnSysVersionFORTINET-MIB-280