Date: Fri, 11 Apr 2008 11:17:21 +0100 From: Andrew Cid <andrew@accid.net> To: Mario Lobo <mlobo@digiart.art.br> Cc: freebsd-questions@freebsd.org Subject: Re: QEMU networking quirkiness on 7.0 Message-ID: <20080411101720.GA31959@farnborough.darq.net> In-Reply-To: <200804101908.14015.mlobo@digiart.art.br> References: <80f4f2b20804081710k5af28466k17f3d38cdd6e344a@mail.gmail.com> <20080410093625.GA95076@farnborough.darq.net> <80f4f2b20804100833v3fdc2f79ufcf6b109ddd4ae9b@mail.gmail.com> <200804101908.14015.mlobo@digiart.art.br>
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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 -- accid.net
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