setting ip address pada backtrack

auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.2.172(sesuka hati)
network 192.168.2.0
netmask 255.255.255.0
broadcast 192.168.2.255
gateway 192.168.2.234
auto eth1
iface eth1 inet dhcp
auto eth2
iface eth2 inet dhcp
auto ath0
iface ath0 inet dhcp
auto wlan0
iface wlan0 inet dhcp