auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp

auto ppp0
iface ppp0 inet ppp
      pre-up /sbin/ifconfig eth2 up # line maintained by pppoeconf
      provider bell_canada

auto eth1
iface eth1 inet static
      address      192.168.10.1
      netmask      255.255.255.0

auto eth2
iface eth2 inet static
      address      192.168.11.11
      gateway      192.168.11.2
      netmask      255.255.255.0

auto wlan0
iface wlan0 inet dhcp
      pre-up wpa_supplicant -Bw -Dwext -iwlan0 -c/etc/wpa_supplicant.conf
      post-down killall -q wpa_supplicant

auto eth3
iface eth3 inet static
      address      192.168.12.1
      netmask      255.255.255.0