[ovs-dev] [PATCH] FAQ: Update question about OpenFlow version support.

Kyle Mestery (kmestery) kmestery at cisco.com
Thu Jan 10 18:14:34 UTC 2013


On Jan 10, 2013, at 11:09 AM, Ben Pfaff <blp at nicira.com> wrote:

> We've had a lot of questions about this on the mailing lists recently, and
> it would be nice to have an authoritative answer to cut and paste.
> 
> Signed-off-by: Ben Pfaff <blp at nicira.com>
> ---
> FAQ |   21 ++++++++++++++++-----
> 1 file changed, 16 insertions(+), 5 deletions(-)
> 
> diff --git a/FAQ b/FAQ
> index a5c0cb9..57ef054 100644
> --- a/FAQ
> +++ b/FAQ
> @@ -661,12 +661,23 @@ Controllers
> 
> Q: What versions of OpenFlow does Open vSwitch support?
> 
> -A: Open vSwitch supports OpenFlow 1.0.  It also includes a number of
> -   extensions that bring many of the features from later versions of
> -   OpenFlow.  Work is underway to provide support for later versions and
> -   can be tracked here:
> +A: Open vSwitch 1.9 and earlier support only OpenFlow 1.0.  Open
> +   vSwitch also includes a number of extensions that bring many of the
> +   features from later versions of OpenFlow.
> 

That last sentence didn't read right to me. How about something like this?

"Version 1.9 of Open vSwitch includes a number of extensions bringing
many features from later versions of OpenFlow into Open vSwitch."

Otherwise, looks good and should save time in directing folks to an
answer for a question popping up recently.

Acked-by: Kyle Mestery <kmestery at cisco.com>

> -       http://openvswitch.org/development/openflow-1-x-plan/
> +   Open vSwitch versions 1.10 and later will have experimental support
> +   for OpenFlow 1.2 and 1.3.  On these version of Open vSwitch, use the
> +   command
> +
> +       ovs-vsctl set bridge br0 protocols=openflow10,openflow12,openflow13
> +
> +   to enable OpenFlow 1.0, 1.2, and 1.3 on bridge br0.
> +
> +   Work remains to be done.  The work to be done is tracked in the
> +   file OPENFLOW-1.1+ in the Open vSwitch source tree (also via
> +   http://openvswitch.org/development/openflow-1-x-plan/).  When
> +   support for a given OpenFlow version is solidly implemented, Open
> +   vSwitch will enable that version by default.
> 
> Q: I'm getting "error type 45250 code 0".  What's that?
> 
> -- 
> 1.7.10.4
> 
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