Auto lo
iface lo inet loopback

#The primary network interface
auto eth0
iface eth0 inet static
     address 192.168.1.77
     netmask 255.255.255.0
     network 192.168.1.0
     braodcast 192.168.1.255
     gateway 192.168.1.1
     #dns-* options are implemented by the resolvconf package, if installed
     dns-nameservers 192.168.1.1