interfaces with bridge

auto lo
iface lo inet loopback

auto eth0
iface eth0 inet manual

auto br0
iface br0 inet static
    bridge_ports eth0
    address 192.168.0.1
    netmask 255.255.255.0
    gateway 192.168.0.252
    dns-nameservers 62.192.224.249 62.192.255.242 8.8.8.8

auto br0:0
iface br0:0 inet static
    address 192.168.1.1
    netmask 255.255.255.0