[one-users] opennebula + KVM + openvswitch + openflow controller

Ionut Popovici ionut at hackaserver.com
Mon Apr 14 08:59:31 PDT 2014


i already use netflow on openvswitch and colect data on a Cacti :D
On 4/14/2014 6:11 PM, Marco Fanti wrote:
> I think you cannot connect the openvswitch bridge to the openflow 
> controller, because the network driver of opennebula performs some 
> operations with ovs-vsctl and ovs-ofctl, so when you connect the 
> controller to the bridge, you disupt the correct working of the 
> openvswitch opennebula driver.
>
> This is only a supposition I made, because now I can't perform any 
> test. Probably is better if you wait an answer from a more expert 
> user/developer.
>
>
> 2014-04-14 11:57 GMT+02:00 Rolandas Naujikas 
> <rolandas.naujikas at mif.vu.lt <mailto:rolandas.naujikas at mif.vu.lt>>:
>
>     On 2014-04-14 10:52, Marco Fanti wrote:
>
>         You should give more information about your setup.
>         What openflow controller are you using?
>
>
>     Floodlight (from http://www.projectfloodlight.org/) in default
>     configuration (tried also learning switch config).
>
>
>         And the controller is controlling only the physical switches
>         or also the
>         OpenVSwitches? (I think this last option is not possible
>         without a lot
>         of work)
>
>
>     Physical switches are IBM EN4093R (10Gb) and connected with
>     openflow to the same floodlight controller. openvswitch is of
>     1.4.2 in Debian 7.4.
>
>     # ovs-vsctl show
>     8505aff4-42e3-48c2-9173-fa0fbe5caeb3
>         Bridge "br0"
>             Controller "tcp:192.168.42.68:6633
>     <http://192.168.42.68:6633>"
>                 is_connected: true
>             Port "eth0"
>                 Interface "eth0"
>
>     br0 have IP, eth0 have no IP.
>
>     With floodlight in forwarding mode I have connectivity between
>     hypervisor nodes (with IP of br0) and to storage nodes (for
>     iSCSI), but VMs on different nodes doesn't see each other.
>
>     Regards, Rolandas
>
>         2014-04-13 21:36 GMT+02:00 Rolandas Naujikas
>         <rolandas.naujikas at mif.vu.lt
>         <mailto:rolandas.naujikas at mif.vu.lt>
>         <mailto:rolandas.naujikas at mif.vu.lt
>         <mailto:rolandas.naujikas at mif.vu.lt>>>:
>
>
>             Hi,
>
>             I'm trying to use openflow controller + openvswitch + KVM
>         + hardware
>             switch with openflow support.
>
>             Could provide some advice, because I cannot get it running
>         by using
>             opennebula default config + kvm + openvswitch (ping works
>         with VMs
>             in the same node and fails to VMs in another nodes).
>
>             Regards, Rolandas
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>
>
>
>
>
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