[ovs-discuss] Flow insertion no overwrite

Ben Pfaff blp at ovn.org
Fri Sep 13 16:18:20 UTC 2019


On Thu, Sep 12, 2019 at 04:21:41PM -0700, Nick Yurchenko wrote:
> Is there a way to insert a flow without overwriting with OFPFlowMod? So if
> a flow exists do nothing but if the flow is missing add a new one.
> Currently I'm querying all active flows with EventOFPFlowStatsReply and
> then comparing active flows and inserting depending on that, but that seems
> inefficient and I'm wondering If I'm missing a simple solution.

I don't think there's a simple way to do that.


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