ifconfig.txt

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
        address 10.1.2.200
        netmask 255.255.255.0
        network 10.1.2.0
        broadcast 10.1.2.255
        gateway 10.1.2.1