[ovs-dev] Group with select type

[Junguk Cho]

Hi.

Thank you for reply.

I looked for a document. However, I cannot find how to set ICMP seq number
and then selecting on the least-significant bit.

Would you please give an example or forward me to an reference.

Thanks.
Junguk

2016-06-13 12:43 GMT-04:00 Ben Pfaff <blp at ovn.org>:

> On Mon, Jun 13, 2016 at 11:54:11AM -0400, Junguk Cho wrote:
> > I would like to test group with select type for round-robin way.
> >
> > I basically followed this page (
> > http://openvswitch.org/pipermail/discuss/2014-August/014785.html).
> > For example, there are one client and three servers.
> > If I ping from one client to three servers with Virtual IP address, it
> > always goes to the same place.  I think ovs generates the same hash
> values
> > since ping does not have different header fields for hash.
> > Is it right?
> >
> > So, I think I should use some "fields" option to make different paths
> like
> > nw_proto or dst_port.
> >
> > Is there a way of doing round-robin for ping-like traffic?
>
> You could do this by adding an OVS field for ICMP sequence number and
> then selecting on the least-significant bit.
>