[ovs-discuss] OFPMT_TABLE_FEATURES is supported in OVS or not

Ben Pfaff blp at nicira.com
Mon Mar 9 16:09:04 UTC 2015


OpenFlow 1.1 and later support the kind of multiple tables you care
about.  Only OpenFlow 1.3 added OFPMP_TABLE_FEATURES.  You can consult
the OpenFlow specifications to learn about how OpenFlow works.

On Mon, Mar 09, 2015 at 09:41:08AM +0530, tech_kals Kals wrote:
> Hi Ben,
> 
> Thanks for your response. Even though OVS 1.3 or later is supporting
> multiple flow tables. May I know what is the use of them if controller is
> not informed about multiple flow tables through OFPMT_TABLE_FEATURES. Or do
> you use some other mechanism to inform the controller about supporting
> multiple flow tables on the switch?
> 
> 
> Thanks,
> Kaliyaperumal K
> 
> 
> On Sat, Mar 7, 2015 at 1:06 PM, Ben Pfaff <blp at nicira.com> wrote:
> 
> > Only OVS 2.4 supports OFPMT_TABLE_FEATURES.
> >
> > OVS 1.3 and later support multiple flow tables.
> >
> > On Sat, Mar 07, 2015 at 08:00:44AM +0530, tech_kals Kals wrote:
> > >  In your previous reply to this thread, you had mentioned that OVS 2.4
> > only
> > > will support multiple flow tables. Now, you mention that it is supported
> > in
> > > OVS1.3 onwards.  I see, OFPMT_TABLE_FEATURES is not supported in OVS
> > 2.1.0.
> > > Do you mean, it is supported in 1.3? If it is supported in 1.3 release,
> > > then obviously it should be supported in 2.1.0 as well... but, not sure
> > how
> > > it is missed ?
> > >
> > > I am little bit confused. Could you please clarify me regarding this.?
> > >
> > > On Sat, Mar 7, 2015 at 2:43 AM, Ben Pfaff <blp at nicira.com> wrote:
> > >
> > > > On Fri, Mar 06, 2015 at 10:18:29PM +0530, tech_kals Kals wrote:
> > > > > Thanks for your reply. I am planning to use OVS to inform the
> > controller
> > > > > about multiple flow support. Since any of the OVS versions are not
> > > > > supporting Multiple flow tables support, could you please clarify my
> > > > > doubts. Also, want to know if you share the details how OVS is going
> > to
> > > > > support multiple flow tables then it would be great for me to do my
> > > > > design/coding.
> > > >
> > > > This question is bizarre.  Open vSwitch has supported multiple flow
> > > > tables since 2011, in OVS version 1.3.
> > > >
> >



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