Bridge Configuration

usuario@pituba:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback

auto br0
iface br0 inet static
address 139.82.2.187
netmask 255.255.255.192
broadcast 139.82.2.191
gateway 139.82.2.129

pre-up ifconfig eth0
pre-up ifconfig eth0 0.0.0.0 promisc up
pre-up brctl addbr br0
pre-up brctl addif br0 eth0
bridge_fd 9
bridge_hello 2
bridge_maxage 12
bridge_stp off

iface eth0 inet manual
pre-up ifconfig eth0 0.0.0.0 promisc up
pre-up brctl addif br0 eth0

pre-down brctl delif br0 eth0
pre-down ifconfig eth0 down