[ovs-dev] Can I use dummy-type bridge together with netdev-type bridge for test?

[Ben Pfaff]

On Mon, Aug 21, 2017 at 04:20:42PM +0800, Sam wrote:
> I want to test dpdk based bridge, which is bridge in netdev type datapath,
> but in this mode I could not use dummy port (As dummy port could send
> packet directly, and lots of ovs test cases use this port, so I want to use
> it).
> 
> So I start ovs with dpdk option and dummy option, and then create two
> bridge (one is dummy type, one is netdev), and use patch port to connect
> them, and add normal flow to them.
> 
> But when I send packets use `ovs-appctl dummy/receive ...` into dummy-type
> bridge, the netdev-type bridge could not receive packet and also could not
> send this packet from other port (dummy-type port, patch type port and
> netdev-type port are all link up).

OVS doesn't support packets traveling between different types of
datapaths (e.g. dpdk vs dummy).