auto xenbr0
iface xenbr0 inet static
        address 167.114.1.239
        netmask 255.255.255.0
        network 167.114.1.0
        broadcast 167.114.1.255
        gateway 167.114.1.254
        post-up /sbin/fconfig xenbr0 inet add 192.99.197.16/32
        pre-down /sbin/ifconfig xenbr0 inet del 192.99.197.16/32
        bridge_ports eth0