Hi, First, check the routes on each bridge, it is recommended to put data and control in a different subnets, then check how virtual interfaces are connected, by default each VM will have a virtual interface connected to each bridge, so if you use xenbr0 for control be sure to use eth1 (which is connected to xenbr1) on each VM for data traffic. Hope that helps, Ibrahim Date: Tue, 31 Jul 2012 15:20:40 -0400 From: [email protected] To: [email protected]; [email protected] CC: [email protected] Subject: Re: [openflow-discuss] Openflow on XEN Hi All, using XCP (Xen Cloud Platform) which comes with openvswitch - I was able to start 2 VM's and configure the openvswitch to speak to nox. I didn't need to uninstall the default bridge etc. just executed the commands ovs-vsctl set-controller / Only issue is both the outbound traffic from VM's and control traffic to NOX goes on same eth0 (xenbr0). Ideally, I would like to use eth0 (xenbr0) for openflow control traffic and eth1(xenbr1) connected directly to an software based openflow switch to send/recv vm's traffic. But, this is not working. Thanks a lot for your help. Regards, Vishal (p.s., not really a NOX question, but just cross posting if someone has already solved openvswitch configuration for openflow on xen or xen cloud platform) On Mon, Jul 30, 2012 at 3:49 PM, Vishal <[email protected]> wrote: After installing XEN and few VM's running, I have following interfaces: xenbr0, vif1.0...., and virbr0. Now, I can compile openvswitch from tar ball. From what I understand, I can replace - the xen bridge with openvswitch bridge ? but I am not sure, if that allows me to enable openflow ? Basically, I want to know - what is the next step to do after compiling openvswitch ? I am able to run openvswitch with nox on linux with multiple physical ports. Thanks a lot, Vishal On Fri, Jul 27, 2012 at 5:25 PM, Nicholas Bastin <[email protected]> wrote: On Fri, Jul 27, 2012 at 11:22 PM, Vishal <[email protected]> wrote: > Whats the best/easiest way to achieve Openflow on XEN? > > Also, Openvswitch has ovsctl as well as ofctl. > > But, XEN comes with its own script using brctl. In what environment? XCP and XenServer both come with OVS and ovs-vsctl. If you are building your own XenSource-based solution, obviously is incumbent upon you to provide OVS yourself. -- Nick _______________________________________________ openflow-discuss mailing list [email protected] https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
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