[ovs-discuss] How to use masked_set_action?

Ben Pfaff blp at ovn.org
Wed Jul 14 20:04:28 UTC 2021


On Wed, Jul 14, 2021 at 08:51:44AM +0800, taoyunupt wrote:
> Hi,
>      I found some info from vswitch.xml,it says "Masked data can improve performance by allowing megaflows to match on fewer fields."  
>      I do not know What kinds of flow atcion will use 'masked_set_action'.   Can you give some demo flows and situation? 

Anything that sets some fields in a header but not others.  For example,
setting the IP destination address (but not other IP fields) will use
it.


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