# The primary network interface
auto eth0
iface eth0 inet static
        address xx.xx.197.77
        netmask 255.255.255.224
        gateway xx.xx.197.65
        pre-up /etc/network/secure-interface

# Test Interface
iface eth3 inet static
        address xx.xx.226.131
        netmask 255.255.255.224
        gateway xx.xx.197.65

auto br0
iface br0 inet static
        address xx.xx.226.190
        netmask 255.255.255.192

pre-up brctl addbr br0
pre-up brctl addif br0 eth1
pre-up brctl addif br0 eth2
pre-up ifconfig eth1 0.0.0.0
pre-up ifconfig eth2 0.0.0.0

post-down brctl delif br0 eth1
post-down brctl delif br0 eth2
post-down ifconfig br0 down
post-down ifconfig eth1 down
post-down ifconfig eth2 down
post-down brctl delbr br0

up route add -net xx.xx.226.0 netmask 255.255.255.192 gw xx.xx.197.65