.lic) – required after initial boot for updates and advanced features. Unlicensed mode works as a 15-day trial with 1 GB throughput limit.| Token | Meaning | |-------|---------| | Fgt | FortiGate (the product) | | vm64 | Virtual Machine, 64-bit architecture | | kvm | Targeted hypervisor: Kernel-based Virtual Machine | | v7.2.3 | Major firmware version: FortiOS 7.2.3 | | f | Likely an internal build or patch designation | | build1262 | Specific build number (1262) from Fortinet | | fortinet.out | Standard output naming convention from Fortinet’s build system | | kvm | Platform repeat (confirms KVM compatibility) | | qcow2 | QEMU Copy-On-Write v2 – native KVM/QEMU disk format |
Key Insight: This image runs FortiOS 7.2.3 (build 1262). It’s important to check Fortinet’s release notes for that version to understand its feature set, known issues, and upgrade path. Fgt-vm64-kvm-v7.2.3.f-build1262-fortinet.out.kvm.qcow2
Traditional hardware-based firewalls are being complemented—and sometimes replaced—by virtualized instances. Running Fgt-vm64-kvm inside a KVM hypervisor offers several benefits: License file (
The v7.2.3.f release is particularly notable. FortiOS 7.2.x introduced advancements in ZTNA (Zero Trust Network Access), SSL inspection performance, and SD-WAN orchestration. However, build 1262 might contain specific bug fixes or security patches not present in earlier 7.2.3 variants. | Token | Meaning | |-------|---------| | Fgt
Before starting, ensure you have:
Using virt-install (fastest method):
virt-install \
--name fortigate-723f \
--vcpus 2 \
--memory 4096 \
--disk path=/var/lib/libvirt/images/Fgt-vm64-kvm-v7.2.3.f-build1262-fortinet.out.kvm.qcow2,format=qcow2 \
--import \
--os-variant generic \
--network network=default,model=virtio \
--network network=wan,model=virtio \
--graphics none \
--console pty,target_type=serial
Explanation: