On 2015/3/10 12:59, Gayathri Nagarajan wrote: > I have a problem with networking in qemu. I want to use the Linux tap device > for qemu network. For that > > *1. I created a bridge -* > > $ sudo brctl addbr br0 > > *2. I used the following qemu-ifup script* > > #!/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 > > *3. When I run qemu using* > > $ qemu-system-i386 -m 200M -cdrom images/ss.iso -serial stdio -device > e1000,netdev=net0,mac=DE:AD:BE:EF:00:C0 -netdev > tap,id=net0,script=/home/user/qemu-ifup > > */home/user/qemu-ifup:could not launch network script* >
Please check whether qemu-ifup exits at this directory and qemu-ifup has executable permission. > *qemu-system-i386: -netdev tap,id=net0,script=/home/user/qemu-ifup: Device > 'tap' could not be initialized* > > > How do I resolve this problem? > > Thank you > > gayathri > > -- Thanks, Shannon
