auto lo
iface lo inet loopback

# Simple IPv4 example
auth eth0
iface eth0 inet static
address 10.13.37.6
netmask 255.255.255.0
gateway 10.13.37.0
hwaddress ether 00:00:00:00:00:00
dns-nameservers 10.13.37.1 10.13.37.2

# Padded IPv6 example
iface eth0 inet6 static
    address     2001:db8:ffff:ffff:ffff:ffff:ffff:ffff
    netmask     32
    gateway     2001:db8::
    hwaddress   00:00:00:00:00:00
    dns-nameservers 2001:db8:: 2001:db9::