qemu-ifup

#!/bin/sh
# Sample /etc/qemu-ifup to have bridged networking between qemu instances and your real net
# You need "youruser ALL=(root) NOPASSWD: /etc/qemu-ifup" in /etc/sudoers
# You also need enough rights on /dev/tun
BRIDGE=br0
if [ -z "$1" ]; then
	exit 1
fi
if [ $UID -ne 0 ]
then
	sudo $0 $1
	exit
fi
/sbin/ifconfig $1 promisc 0.0.0.0 >/dev/null 2>&1
#if ! /sbin/ifconfig $BRIDGE
#then
#	/sbin/brctl addbr $BRIDGE
#	/sbin/brctl addif $BRIDGE eth0
#	/sbin/ifconfig $BRIDGE up
#	addr=`/sbin/ip addr | grep eth0 | grep inet | sed -e 's/eth0/dev $BRIDGE/' -e s/inet//`
#	/sbin/ip addr add $addr
#fi

/sbin/brctl addif $BRIDGE $1 
/sbin/brctl stp $BRIDGE off
/sbin/brctl setfd $BRIDGE 1
/sbin/brctl sethello $BRIDGE 1


#/sbin/ip route | grep eth0 | while read route
#do
#newroute=`echo $route | sed s/eth0/$BRIDGE/ `
#/sbin/ip route del $route
#/sbin/ip route add $newroute
#done