[Please keep such technical discussions on list, so others can correct me or might have better ideas.] On Tue, Oct 28, 2014 at 06:08:02PM +0100, Anna Giannakou wrote:

Thank you for the quick reply. I tried to remove the <virtualport type='openvswitch'/> line from the network xml and now the network is created. However when i try to launch the vm with virt-install i get again the error Unable to add bridge snort port vnet0: Operation not supported which was what led me to upgrade my libvirt version

Any other ideas?

Sorry, I don't have an immediate test env to try this, maybe you can examine your debug logs to see if you find more meaningful clues log_level = 1 log_outputs="1:file:/var/tmp/libvirtd.log" in /etc/libvirt/libvirtd.conf Restart libvirtd. (And, don't forget to turn it off, once you finish your debugging - it'll fill your disk space pretty quickly, otherwise.) -- /kashyap

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From: "Kashyap Chamarthy" <kchamart@redhat.com> To: "Anna Giannakou" <anna.giannakou@inria.fr> Cc: libvirt-users@redhat.com Sent: Tuesday, 28 October, 2014 5:46:46 PM Subject: Re: [libvirt-users] problem with libvirt and ovs bridge

On Tue, Oct 28, 2014 at 05:32:58PM +0100, Anna Giannakou wrote:

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Hello, I have created an ovs bridge on which i have attached a port. I would like to connect my vm to that port,so i have created an xml defining the network. The xml is: <network> <name>ovs-snort</name> <forward mode='bridge'/> <bridge name='snort'/> <virtualport type='openvswitch'/> </network> but when i do virsh net-define /tmp/ovsnetwork.xml i get the error error: XML error: unexpected virtualport type -1 My libvirt version is 1.2.9 Can you guide me through that?

Hmm, I haven't tested this lately, but here's some old notes on Libvirt and Open vSwitch:

http://kashyapc.com/2013/07/13/configuring-libvirt-guests-with-an-open-vswit...

And a related thread from libvirt users list:

https://www.redhat.com/archives/libvirt-users/2013-April/msg00044.html

-- /kashyap