: Modern versions of the fortios.qcow2 image support Cloud-init , allowing for automated initial configuration (like IP settings and license application) during the first boot.
sudo umount /mnt/fortios sudo qemu-nbd --disconnect /dev/nbd0 fortios.qcow2
For a typical firewall deployment, you need at least two networks: (WAN) and inside (LAN). Create two isolated virtual networks if needed. : Modern versions of the fortios