FreeBSD ifconfig
From wikinotes
FreeBSD uses ifconfig
to manage network interfaces.
Dynamic
manipulate interfaces within shell.
# create/destroy a network interface of type 'tun'
ifconfig tun create up
ifconfig tun0 destroy
Persistent
define interfaces to setup at boot.
# /etc/rc.conf
cloned_interfaces="bridge0 brige1" # space separated virtual interfaces to create
ifconfig_bridge0="inet 10.0.1.1/8" # assign ip address to bridge0
defaultrouter="192.168.1.1" # your local nameserver