If you are using virt-install or virsh , the process generally looks like this:
To use this .qcow2 file in a KVM-based environment like GNS3, you must import the appliance using the FortiGate GNS3 Appliance File . 2. First Boot Configuration fgt-vm64-kvm-v7.2.1.f-build1254-fortinet.out.kvm.qcow2
Using this .qcow2 image is not without caveats. First, as a virtual appliance, its performance depends heavily on the underlying host’s CPU for cryptography and DPI offloading. Unlike physical FortiGates with custom ASICs (CP and NP processors), this KVM version relies on software-based acceleration (DPDK, SR-IOV) if properly configured. If you are using virt-install or virsh ,
: Download the file from the Fortinet Support Portal . as a virtual appliance