[ovs-dev] [PATCH] Add configurable OpenFlow port name.

[Ben Pfaff]

On Sat, Apr 09, 2016 at 04:08:22PM -0700, Han Zhou wrote:
> On Friday, April 8, 2016, Xiao Liang <shaw.leon at gmail.com> wrote:
> >
> > Add new column "ofname" in Interface table to configure port name reported
> > to controllers with OpenFlow protocol, thus decouple OpenFlow port name
> from
> > device name.
> >
> > For example:
> >     # ovs-vsctl set Interface eth0 ofname=wan
> >     # ovs-vsctl set Interface eth1 ofname=lan0
> > then controllers can recognize ports by their names.
> >
> 
> Hi Xiao,
> 
> Could external-ids be used to serve the same purpose? E.g. ovs-vsctl set
> Interface eth0 external-ids:ofname=wan.

I think that Xiao wants to identify ports over the OpenFlow protocol by
name.  There isn't any way to obtain external-ids via OpenFlow, and
although we could introduce one it would require the controller to
implement an extension.