Date: Thu, 24 Apr 2008 06:58:23 -0400 From: "Jim Stapleton" <stapleton.41@gmail.com> To: "Mario Lobo" <mario.lobo@ipad.com.br> Cc: freebsd-questions@freebsd.org Subject: Re: QEMU networking quirkiness on 7.0 Message-ID: <80f4f2b20804240358j14796ae4t8e5576a9f82c6f4b@mail.gmail.com> In-Reply-To: <200804171440.43154.mario.lobo@ipad.com.br> References: <80f4f2b20804081710k5af28466k17f3d38cdd6e344a@mail.gmail.com> <80f4f2b20804121013y5d980abereb05e4aa2a1a1b77@mail.gmail.com> <80f4f2b20804170809y1ae79a3dg2fb24346b132ea74@mail.gmail.com> <200804171440.43154.mario.lobo@ipad.com.br>
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On Thu, Apr 17, 2008 at 1:40 PM, Mario Lobo <mario.lobo@ipad.com.br> wrote: > On Thursday 17 April 2008, Jim Stapleton wrote: > > Sorry for the delayed reply, I didn't see this sent. > > > > On Thursday 10 April 2008 22:01:32 Mario Lobo wrote > > > > > I have a virtual Linux (Fedora 5) and winedows (XP) machines in QEMU and > > > they are both network functional. I use qemu-launch because it does > > > everything you need to create a virtual machine. Here are my pertinent > > > configs: > > > > > > ------------------------------------------------ > > > 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" > > > > To verify, the 10.10.10.2 is the IP that everyone sees my host as on > > the network, correct? That's the IP that used to be set on re0? > > exactly ! > > > > > > > 2) tell QEMU launch to open a tap device > > > > Open a TUN/TAP interface in the network interface configuration > > yes > > > > > > > 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 > > > > This is the tun/tap configuration script, the IP on the last line is > > the IP I want the guest to look like to the network (i.e. > > 192.168.1.85)? > > correct ! You will configure the guest's network interface with this IP. > > > > > > > > Thanks, I'll play with this more when I get home (I don't want to mess > > with my machine's network configuration while I've only got network > > access). > > > > This worked so fine fine for me that I left the bridge as my main interface > for good. Even if QEMU is not up. It works just as well as re0 itself. > > > > > Thanks, > > -Jim Stapleton > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to > > "freebsd-questions-unsubscribe@freebsd.org" > > You're welcome ! OK, I finally got to test it last night. It almost worked. I ran it from the console, and it spit out the command line. Something on the command line looked obviously off to me (I think it was the iface= part of the network section), anyway, I copied & pasted it, added the tap0 reference, and it works perfectly. Thanks again, -Jim Stapleton
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