I don't think OpenFlow v.1.3 has such a feature, but how about adding a
counter in your Ryu app to keep track of added/removed rules...
On Wed, Feb 28, 2018 at 11:53 AM, Eman Bany salameh via Ryu-devel <
ryu-devel@lists.sourceforge.net> wrote:
> Hi,
>
> I need to know the number of flows installed on the switch before adding
> new one. What I did before is to request stat from the switch then read the
> length of the list returned.
> This way is not useful for me.
> Is there any way to count them inside packet-in handler before adding new
> flow? I want to limit the number of flows added to 1500.
>
> Regards,
> Eman Bany Salameh
>
>
>
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