auto lo0
    iface lo inet loopback

    auto eth0
    iface eth0 inet manual

    auto wlan0
    iface wlan0 inet manual
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
    pre-up wpa_supplicant -B w -D wext -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf

    auto br0
    iface br0 inet dhcp
        bridge ports eth0 wlan0
        bridge_stp off
        bridge_maxwait 5