[ovs-discuss] New to Open vSwitch, want to try it with Xen
joseph.glanville at orionvm.com.au
Fri Apr 1 22:16:47 UTC 2011
I recently integrated Open vSwitch with Xen.
There are 2 possible routes, the choice boils down to what level of
customisation you need.
The first is to load the bridge compatiblity module as part of OVS and
the Xen scripts will work out of the box.
Ideal for testing and simple deployments.
This can be easily done by following the instructions in INSTALL.bridge
Secondly you can modify the /etc/xen/scripts* to use ovs-vsctl to
setup the bridge ports and apply flow rules on port creation with
I recommend this path if you require the use of VLANs, any kind of
flow control etc.
The specific scripts you need to modify are
/etc/xen/scripts/vif-bridge and if you don't make it obselete by
pushing the ip link set <vif> up back into vif-bridge then you need to
edit the setup_bridge_port function in
I hope that sheds some light on what is required, don't hesitate to
ping back if you require more help.
On 2 April 2011 08:27, Jason Long <jlong at jasonlong.com> wrote:
> I want to try out open vswitch with xen. I followed the instructions in
> INSTALL.Linux. Everything went good. The module is loaded, ovsdb-server
> is running, ovs-switchd is running, and I setup a bridge named br0 to
> include physical port eth1.
> Now what is the best way to make xen use open vswitch?? It runs network
> scripts when xend starts that invoke brctl to setup a bridge and create
> virtual interfaces.
> Do I have to edit the scripts to use ovs-vsctl? Or can I bypass the xen
> scripts and map interfaces manually?
> Any pointers or links would be helpful. Thanks!
> discuss mailing list
> discuss at openvswitch.org
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