[ovs-discuss] Configuring in-band control

André Mantas andremantas7 at gmail.com
Sat Dec 19 00:36:09 UTC 2015

Thanks! I'll definitively check that out. Looks very complete.

Hm, ok. So, imagine a case where I want that a switch forwards certain
"controller-to-switch reply messages" (barrier reply, bundle commit reply)
to all controllers, e.g., using GROUP ALL as action.

As far as I know, a controller can't install a rule with higher priority
than the in-band rules to achieve this. Can such rules be created in any
other way? Or it is completely impossible?

Justin Pettit <jpettit at ovn.org> escreveu no dia sexta, 18/12/2015 às 23:54:

> > On Dec 17, 2015, at 8:44 AM, André Mantas <andremantas7 at gmail.com>
> wrote:
> >
> > Yes, I did found that info in
> https://github.com/openvswitch/ovs/blob/master/FAQ.md
> >
> > The problem is, in an in-band scenario, will the messages to the
> controllers *always* be processed by those hidden flows?
> Yes.  You can find all the gory details in the "In-Band Control" section
> here:
>         https://github.com/openvswitch/ovs/blob/master/DESIGN.md
> > And can I modify such flows as I wish?
> No.  You can only disable in-band control entirely.
> --Justin
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