Date: Fri, 11 Apr 2008 08:23:14 -0300 From: Mario Lobo <mlobo@digiart.art.br> To: freebsd-questions@freebsd.org Subject: Re: QEMU networking quirkiness on 7.0 Message-ID: <200804110823.14315.mlobo@digiart.art.br> In-Reply-To: <20080411101720.GA31959@farnborough.darq.net> References: <80f4f2b20804081710k5af28466k17f3d38cdd6e344a@mail.gmail.com> <200804101908.14015.mlobo@digiart.art.br> <20080411101720.GA31959@farnborough.darq.net>
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On Friday 11 April 2008 07:17:21 you wrote: > Hi Mario, > > > ------------------------------------------------ > > 1) # rc.conf > > > > ifconfig_re0="up polling" <- no IP here ! > > autobridge_interfaces="bridge0" > > autobridge_bridge0="tap0 re0" <- important even if tap0 does not > > exist yet cloned_interfaces="bridge0" > > # the bridge gets the IP > > ifconfig_bridge0="inet 10.10.10.2 netmask 255.255.255.0" > > > > 2) tell QEMU launch to open a tap device > > > > 3) tap up script to run when invoking the machine(s). > > > > # qemu-net > > > > #!/usr/local/bin/bash > > $1 = tap ifac created > > /sbin/ifconfig $1 up > > # test if tap is already added > > TEST=`ifconfig -a | grep -A 6 bridge | grep $1` > > if [ "$TEST" == "" ]; then > > /sbin/ifconfig bridge0 addm $1 > > fi > > # add a route to the virtual machine > > /sbin/route add -host 10.10.10.100 -iface bridge0 > > > > ------------------------------------------------ > > > > Set the gateway on both machines to the same gateway of the host. > > That's all. > > > > This works perfectly for me. If I want both virtual machines up, I have > > to add another route to the IP of the second machine through the bridge. > > I don't really understand why you need routing here. In my > understanding a bridge works like a layer 2 switch so there should be no > need for any routing. > > Cheers, > > > Andrew I don't know exactly why. What I know is if I don't, it doesn't work. I think it's because the virtual machine is on the same subnet of the bridge and the host is not configured as a gateway. -- Mario Lobo http://www.mallavoodoo.com.br FreeBSD since version 2.2.8 [not Pro-Audio.... YET!!] (99,7% winedows FREE)
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