User vermaden shares a tutorial on how to configure a FreeBSD network with the network.sh Script. One can also use the graphical NetworkMgr from GhostBSD. Note that if you are using more than one connection and switch between them frequently, then using FreeBSD’s config file is not the most convenient method for network operations. Check out the full tutorial below!

Full tutorial: https://vermaden.wordpress.com/2018/03/24/freebsd-network-management-with-network-sh-script/