auto lo
iface lo inet loopback

###interface originale eth0
#auto eth0
#iface eth0 inet static
#address 192.168.0.22
#netmask 255.255.255.0
#gateway 192.168.0.1
### creation interface physique eth0
auto eth0
iface eth0 inet manual
### creaton interface virtuelle tap0
auto tap0
iface tap0 inet manual
        tunctl -t tap0 -u david
### creation bridge0
auto bridge0
iface bridge0 inet static
    post-up chmod ugo+rw /dev/net/tun
    address 192.168.0.22
    netmask 255.255.255.0
    broadcast 192.168.0.255
    gateway 192.168.0.1
    bridge-ports eth0 tap0
    bridge-ageing 7200
    bridge-fd 0

#auto eth1
#iface eth1 inet dhcp

###interface originale eth3
#auto eth3
#iface eth3 inet static
#address 192.168.0.99
#netmask 255.255.255.0
#gateway 192.168.0.1
### creation interface physique eth3
auto eth3
iface eth3 inet manual
### creaton interface virtuelle tap3
auto tap3
iface tap3 inet manual
        tunctl -t tap3 -u david
### creation bridge3
auto bridge3
iface bridge3 inet static
    post-up chmod ugo+rw /dev/net/tun
    address 192.168.0.99
    netmask 255.255.255.0
    broadcast 192.168.0.255
    gateway 192.168.0.1
    bridge-ports eth3 tap3
    bridge-ageing 7200
    bridge-fd 0