[ovs-discuss] Questions about IPFIX
Ben Pfaff
blp at ovn.org
Wed May 31 15:27:46 UTC 2017
On Wed, May 31, 2017 at 03:05:45PM +0200, Felix Konstantin Maurer wrote:
> I'm currently trying to export flow statistics from an Openvswitch
> bridge with IPFIX. It works, however in almost all packets, the
> flowStartDeltaMicroseconds and the flowEndDeltaMicroseconds have the
> same value. Is that to be expected? Do I misunderstand something?
>
> I expected them to be different and to allow me to calculate over which
> time period the octetDeltaCount number of bytes of the flow had been sent.
The IPFIX code hard-codes the start and end times to the same value.
It's too bad--it would be nice to have this be more accurate. I don't
know how difficult that would be.
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