Ah, It's the FDB in the NIC - iproute2 has a bridge command which works - 
thanks.

Mvh
Kristoffer





On 09/08/2013, at 23.36.37, Jesse Gross <[email protected]> wrote:

> On Fri, Aug 9, 2013 at 2:32 PM, Kristoffer Egefelt <[email protected]> wrote:
>> Hi,
>> 
>> Network between VMs connected to openvswitch and VMs connected with SR-IOV
>> interfaces (VFs) on the same host seems not to work, due to some special arp
>> handling in the ixgbevf driver where arp traffic is not forwarded to the
>> physical interface.
>> If the NIC does not know about the ovs connected VMs MAC address, which it
>> apparently can't because the VM is hiding behind a (openvswitch) bridge, the
>> arp traffic seems to be black holed.
>> 
>> I found this https://communities.intel.com/thread/43504 which suggests that
>> the problem can be solved by manually adding the VMs mac address to the PF
>> in the forwarding database.
>> 
>> I can't find any way to try this with openvswitch - somebody know about a
>> solution to this or have any ideas?
> 
> Open vSwitch does not manage the FDB in SR-IOV NICs, so you'll have to
> find a way to do it using the driver's tools.
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