[ovs-dev] OpenFlow Experimenter ID

Ben Pfaff blp at ovn.org
Sun Jun 28 18:09:42 UTC 2020

On Sun, Jun 28, 2020 at 04:28:01PM +0100, Luke Hengstenberg wrote:
> Hi there,
> Hoping someone on the mailing list can share their expertise regarding the
> use of OpenFlow experimenter.
> For my SDN related masters thesis to work I need to make a substantial
> number of extensions to OpenFlow. These extensions are necessary to define
> new messages, actions etc sent between the floodlight controller and OVS
> switches.
> In the OpenFlow documentation an “Experimenter ID” is needed which is said
> to be either a vendors IEEE OUI or assigned by the ONF. As an MSc student I
> do not have a valid IEEE OUI to generate this ID from and am yet to receive
> a response from the ONF regarding assignment of my own ID.
> Would use of an “unofficial” Experimenter ID that I choose myself work as
> long as I change the configuration files in the controller and switches or
> will a bad Experimenter error always be thrown?
> Should I try different ID’s until one works or is it better to cut my
> losses and change the focus of my masters?
> I need to find out if a work around is possible so I do not waste any more
> time on this.

It's not a real problem.  I would just pick a random number and use it.

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