On Thu, Feb 16, 2017 at 9:54 AM, Marcin Mirecki <mmirecki@redhat.com> wrote:

OVN is aleady using GENEVE, VXLAN or STT tunnels (the user can choose any), so the isolation is already assured.
The scripts provided by ovirt configure a geneve tunnel.
You are free so override this manually to vxlan or stt if you want, let me know if you need any howto info.

yes, please.

I have used in the mean time the vdsm-tool command that takes care of creating the default geneve tunnel

In my case

vdsm-tool ovn-config 10.4.168.80 10.4.168.81

but I would like to know how to manually use other types too.

I watched the deep dive demo about ovn but at the bottom of the related slide there are three lines that should be equivalent to the above command, something like

ovs-vsctl set open ? external-ids:ovn-remote=tcp:10.4.168.80:6642

ovs-vsctl set open ? external-ids:ovn-encap=type=geneve

ovs-vsctl set open ? external-ids:ovn-encap-ip=10.4.168.81

The ? character seems a dot or a comma, I have not understood the syntax....

(what are the accepted words for type= in the second line?)

Thanks again,

Gianluca