Le lundi 19 octobre 2009 à 09:14 +0200, Chris Lalancette a écrit : > Sascha Frey wrote: > > Hi, > > > > I met a problem setting up virt-manager and libvirt: > > > > I want to use an existing customized network bridge with libvirt > > (I need special iptables rules and a custom DHCP setup). > > > > So I created a network definition file like this: > > <network> > > <name>NAT</name> > > <bridge name='br-nat' /> > > </network> > > > > Unfortunately, I'm unable to activate this network, because libvirt > > tries to create the bridge `br-nat' and fails, because it already > > exists: > > > > # virsh net-start NAT > > error: Failed to start network NAT > > error: cannot create bridge 'br-nat': File exists > > > > > > I just want libvirt to attach the guest's tap devices to this existing > > bridge. I don't want libvirt to manage the network. > > > > Is there any chance to realize this set-up? > > It should work with virt-manager using the graphical wizard. > > Yes, just don't define a new network. To use existing bridges, you just need to > edit your guest XML files to use something like: > > <interface type='bridge'> > <mac address='00:16:3e:4a:f6:89'/> > <source bridge='br0'/> > </interface> > > Note that configured bridges should also show up in virt-manager, I believe. Existing bridge shows up in virt-manager when run on the local machine. If you use a remote connection (at least qemu+ssh), you don't see it, you need to manually edit the guest XML. (btw, is this a known "problem" or a bug ?) Regards, Daniel > -- Daniel Berteaud FIREWALL-SERVICES SARL. Société de Services en Logiciels Libres Technopôle Montesquieu 33650 MARTILLAC Tel : 05 56 64 15 32 Fax : 05 56 64 15 32 Mail: daniel@xxxxxxxxxxxxxxxxxxxxx Web : http://www.firewall-services.com -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list