[ovs-discuss] How to set a hard max flow limit in OVS

Ben Pfaff blp at ovn.org
Sat Sep 21 00:43:35 UTC 2019

On Fri, Sep 20, 2019 at 12:18:33PM -0400, Adel Belkhiri wrote:
> Hello everybody,
> Does anyone know how to set a hard limit for the number of flows that can
> be installed by ovs-vswitchd in the datapath ?
> I tried this command "ovs-appctl upcall/set-flow-limit   number" (where
> number is between 1000 and 200000) but it doesn't have any impact. This
> command indicates that the number is set successfully but when I use the
> command "sudo ovs-appctl upcall/show" I can see that the limit increases
> beyond the one that is set.
> Any idea how to set this limit ?

Set other-config:flow-limit in the Open_vSwitch table using the
database, as documented in ovs-vswitchd.conf.db(5).

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