Hi Ines,
I guess,

flow timesouts (idle_timeout, hard_timeout) configured in the flows. Thats
the only reason flows are wiped out automatically.  you need to set the
idle_timeout and hard_timeout =0. so flows will be permanent.

Thanks
suresh

On Fri, May 8, 2020 at 11:05 PM Inês Lopes <inesle...@ua.pt> wrote:

> Hello,
>
> I have an OVS and a Ryu controller in the same machine. The Ryu App I
> created will add and delete flows of the OVS according to some conditions.
>
> I've created many Ryu apps before, but there is one persistent issue in
> this architecture (OVS and Ryu in same machine). A few seconds in the
> execution of the app and all flow entries are wiped from the OVS. I read
> somewhere that it is normal for the controller to wipe the flow entries,
> but how can I stop this from happening? In which file of the Ryu project
> should I do alterations so that manually installed flow entries are never
> deleted?
>
> Regards,
> Ines
> _______________________________________________
> Ryu-devel mailing list
> Ryu-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/ryu-devel
>


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