auto lo
iface lo inet loopback

allow-hotplug eth0
auto xenbr0
iface xenbr0 inet static
    address 192.168.1.200
    network 192.168.1.0
    netmask 255.255.255.0
    broadcast 192.168.1.255
    gateway 192.168.1.1
    hwaddress 64:51:06:d8:59:3c
    bridge_ports eth0
    # Algunas opciones útiles si estamos virtualizando máquinas
        bridge_stp off       # disable Spanning Tree Protocol
        bridge_waitport 0    # no delay before a port becomes available
        bridge_fd 0          # no forwarding delay
        bridge_ports none    # if you do not want to bind to any ports
        bridge_ports regex eth* # use a regular expression to define ports