qemu -m 192 -hda disk.img -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=/etc/qemu-ifup
如果是在WindowsXP下面Q就不需要script=/etc/qemu-ifupq个启动脚本了,直接tap0换成|桥的名字即可?br />
W一步,建立一个虚拟网l接口?br />在linux下:
1 # mknod /dev/net/tun c 10 200
在Windows下,有开源的虚拟|卡软gQ找一个来装好p了?br />
W二步,建立|桥?br />在linux下:
修改/etc/network/interface配置文g。此处徏立一个名为br0的网桥,先桥接上eth0Q在启动qemuӞ再桥接上tap0?br /> 1 # /etc/network/interface
2 # This file describes the network interfaces available on your system
3 # and how to activate them. For more information, see interfaces(5).
4
5 # The loopback network interface
6 auto lo
7 iface lo inet loopback
8
9 # The bridge network interface(s)
10 auto br0
11 iface br0 inet static
12 address 192.168.1.2
13 network 192.168.1.0
14 netmask 255.255.255.0
15 broadcast 192.168.1.255
16 gateway 192.168.1.1
17 bridge_ports eth0
18 bridge_fd 9
19 bridge_hello 2
20 bridge_maxage 12
21 bridge_stp off
在windowsXP下,在网l属性窗口中Q直接将要桥接的两块|卡选中Q然后点击鼠标右键,选择“桥”菜单即完成桥接?br />
W三步,建立qemu-ifup脚本启动qemu时调用?br />在linux下:
建立/etc/qemu-ifup脚本文gQ参见qemu指o?net参数Q?br />1 #!/bin/sh
2
3 sudo /sbin/ifconfig $1 0.0.0.0 promisc up
4 sudo /usr/sbin/brctl addif br0 $1
5 sleep 2
WindowsXP在下不用q个脚本Q直接把-net的ifname参数设ؓ|桥的名字即可?br />

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