[ovs-discuss] Disabling flow cache

Santiago Vidal santiago.vidal at toptierlabs.com
Sun Dec 6 23:37:06 UTC 2015


Is it even possible to disable the cache?

Thanks, Santiago Vidal.

2015-12-03 11:38 GMT-02:00 Santiago Vidal <santiago.vidal at toptierlabs.com>:

> Hello.
>
> I'm working on an experiment to study the impact of a large number of
> flows in a switch. I would like to know how I can disable the flow cache in
> the kernel module, so that every packet has to go through the OpenFlow
> pipeline.
>
> I tried 'ovs-appctl upcall/set-flow-limit 0' but it did not work. I can
> still see flows when I use 'ovs-appctl dpif/dump-flows'
>
> Is that the correct way to do it? If not, how can I achieve this? If it
> is, any ideas on why it doesn't work?
>
> Thank you in advance.
>
> Santiago.
>
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