[ovs-discuss] Wildcard and exact match

Amrane Ait Zeouay a.zeouayamran at gmail.com
Fri Aug 19 16:59:32 UTC 2016


Thank you for your reply, just the last question. How can i add a
wildcarded match is it like ovs-oftcl add-flow br0
dl_dst=ff:ff:ff:ff:ff:00/ff:ff:ff:ff:ff:ff,actions=output:2
On 19 Aug 2016 18:56, "Justin Pettit" <jpettit at ovn.org> wrote:

> I answered that.  The behavior is undefined.
>
> --Justin
>
>
> > On Aug 19, 2016, at 9:55 AM, Amrane Ait Zeouay <a.zeouayamran at gmail.com>
> wrote:
> >
> > Yeah. So i want to know if two rules one exact match and the other has
> wildcarded match and they have the same priority. So which one will be
> choosed ? And how can i add a wildcarded match
> >
> > On 19 Aug 2016 18:50, "Justin Pettit" <jpettit at ovn.org> wrote:
> >
> > > On Aug 19, 2016, at 9:47 AM, Amrane Ait Zeouay <
> a.zeouayamran at gmail.com> wrote:
> > >
> > > Hi,
> > > I want to know how to add a wildcarded flow in Ovs and how the OVS
> treat exact match and wildcarded match? If we have two rules, one has the
> exact match and the other one is has a wildcarded match , so which one the
> OVS will choose ? And why?  And how the wildcarded match are treated ?
> >
> > I assume you're talking about the OpenFlow flows.  If so, the behavior
> is undefined in OpenFlow and essentially a random choice between the set of
> matching flows.  To prevent this, priorities should be used to distinguish
> between multiple matching flows.
> >
> > --Justin
> >
> >
>
>
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