Ubuntu系统下安装Virtualbox虚拟XP过程

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet manual
up ifconfig eth0 0.0.0.0 promisc up
auto eth0

auto tap0
iface tap0 inet manual
up ifconfig $IFACE 0.0.0.0 up
down ifconfig $IFACE down
tunctl_user well（这个改成你的用户名）

auto br0
iface br0 inet static
address 你的ip
netmask 255.255.255.0
network 你的ip，最后一组改为0
broadcast 你的ip，最后一组改为255
gateway 你的网关的ip
(如果你用的dhcp，上面6行请改为 iface br0 inet dhcp )
bridge_ports all tap0