[ovs-discuss] Processing of BARRIER_REPLY

[André Mantas]

You state that it happens "sometimes". Is there a way to configure/make a
switch always process messages to a controller through ingress tables?

I would like to receive, for example, BARRIER_REPLY messages in all
controllers (which a switch is connected to) for every BARRIER_REQUEST.

Thanks.

Ben Pfaff <blp at ovn.org> escreveu no dia terça, 1/12/2015 às 19:05:

> In Open vSwitch sometimes the control connection does get processed
> through the OpenFlow tables, in "in-band control" environments.
>
> I don't know much about other OpenFlow switches, so I can't speak for
> them.
>
> On Mon, Nov 30, 2015 at 10:34:53PM +0000, André Mantas wrote:
> > Thanks for the quick reply.
> >
> > I imagine that "the TCP connection itself passing through the tables" is
> > not a standard implementation in most OF switches, right?
> >
> > Ben Pfaff <blp at ovn.org> escreveu no dia seg, 30/11/2015 às 17:23:
> >
> > > On Mon, Nov 30, 2015 at 05:21:21PM +0000, André Mantas wrote:
> > > > Hi. I have a doubt about how OF switches and maybe someone here can
> help
> > > me.
> > > >
> > > > When a switch receives a BARRIER_REQUEST, how does it send the
> > > > BARRIER_REPLY message?
> > > > Is it sent directly in the TCP connection with the controller?
> > >
> > > Yes.
> > >
> > > > Or is it processed in the ingress tables?
> > >
> > > No (unless the TCP connection itself otherwise passes through the
> > > tables).
> > >
> > > > The same applies to bundle messages like OFPBCT_COMMIT_REPLY, I
> guess.
> > >
> > > Same answer.
> > >
>
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