The main purpose of this bridge is to enable an indirect connection to the 
Controller across multiple Switches so the flow needs to exist before the 
Controller is connected.
Is there another way to enable classic forwarding on a bridge ? 
The main problem is that my switch runs ovs but needs a dedicated port for the 
controller connection.. The purpose of the second bridge is to forward traffic 
to this port.

Am 10.02.17 19:57 schrieb Ben Pfaff  <b...@ovn.org>:
> 
> OpenFlow switches generally consider flows to be "soft state". The
> controller is expected to install whatever flows are needed. If you
> need persistent flows, using a controller is the typical way.
> 
> On Fri, Feb 10, 2017 at 06:15:19PM +0100, Jannis Ohms wrote:
> > 
> > Ok 
> > Are there any reasons Why this design was chosen?
> > Are there other ways to persist a flow in OVS ?
> > 
> > Am 10.02.17 17:51 schrieb Guru Shetty <g...@ovn.org>:
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > On 10 February 2017 at 04:43, Jannis Ohms <jannis.oh...@ostfalia.de> 
> > > wrote:
> > > 
> > > > I am currently using a setup consisting of 2 bridges per switch.
> > > > 
> > > > Bridge 0 is configured to use an SDN controller
> > > > 
> > > > Bridge 1 uses a single flow which contains a single flow which uses the 
> > > > normal action to enable classic forwarding.
> > > > 
> > > > I added the flow using ovs-ofctl, the hard and idle timeouts are both 0 
> > > > the fail-mode of the bridge is secure.
> > > > The flow dose not persist across restarts.
> > > > 
> > > 
> > > > Is this normal or is this a problem of my NOS ?
> > > > 
> > > 
> > > 
> > > This is normal.
> > > 
> > > 
> > > 
> > > > 
> > > > greethings
> > > > 
> > > > Jannis
> > > > 
> > > > -- 
> > > > Ostfalia University of Applied Sciences
> > > > Research Group IP-based Communication Systems
> > > > Salzdahlumer Straße 46/48
> > > > 38302 Wolfenbüttel, Germany
> > > > 
> > > > Tel.: + 49 (0)5331 939 43320(tel:%2B%2049%20%280%295331%20939%2043320)
> > > > Fax: + 49 (0)5331 939 43322(tel:%2B%2049%20%280%295331%20939%2043322)
> > > > E-Mail: jannis.oh...@ostfalia.de
> > > > Web: http://www.ostfalia.de/cms/de/e
> > > > 
> > > > _______________________________________________
> > > > discuss mailing list
> > > > disc...@openvswitch.org
> > > > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
> > > > 
> > > 
> > > 
> > > 
> > >
> 
> > _______________________________________________
> > discuss mailing list
> > disc...@openvswitch.org
> > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
> 
>
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