kvm虚拟winxp。网络配置桥接导致主宿机都不能上网。我的主机的ip是192.168.0.120。情况紧急请救达人！

[zhanghg]

kvm虚拟winxp。网络配置桥接导致主宿机都不能上网。我的主机的ip是192.168.0.120。情况紧急请救达人！
具体配置如下：
auto eth0
iface eth0 inet static
address 192.168.0.120
netmask 255.255.255.0
gateway 192.168.0.1

auto tap0
iface tap0 inet manual
up ifconfig $IFACE 0.0.0.0 up
down ifconfig $IFACE down
tunctl_user chang

auto br0
iface br0 inet static
bridge_ports eth0 tap0
address 192.168.0.121
netmask 255.255.255.0
gateway 192.168.0.1
如错，怎么更改？是不是要卸载network－manager？

[zhanghg]

chang@chang-desktop:~$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.0.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0
0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0
chang@chang-desktop:~$

[zhanghg]

tap0 is not a slave of br0

[zhanghg]

* You need a qemu-ifup script containing the following:

#!/bin/sh
set -x

switch=br0

if [ -n "$1" ];then
/usr/bin/sudo /usr/sbin/tunctl -u `whoami` -t $1
/usr/bin/sudo /sbin/ip link set $1 up
sleep 0.5s
/usr/bin/sudo /usr/sbin/brctl addif $switch $1
exit 0
else
echo "Error: no interface specified"
exit 1
fi
qemu-ifup脚本文件怎样编辑？

[tusheng]

没用过这个，怎么桥接会出那么东西出来的吗

[zhanghg]

念佛求人不如求己。参考国外技术网站成功解决问题。具体附图：