[ovs-dev] Group with select type

[Ben Pfaff]

You'd have to add such a field, as I said.

On Mon, Jun 13, 2016 at 04:50:54PM -0400, Junguk Cho wrote:
> 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.
> >