[ovs-discuss] Custom template fields with IPFIX

Ben Pfaff blp at ovn.org
Thu Nov 21 17:12:48 UTC 2019


You can look at past commits that add support for new exports, such as
commit d564c4bb5369 ("ofproto-dpif-ipfix: add Exporting Process
Reliability Statistics"), for examples.

On Wed, Nov 20, 2019 at 10:07:59PM -0800, Nick wrote:
> I see, can you estimate how large of a patch would this require? I was
> thinking of implementing this as we need it for a project but I'm unsure
> how much time it would take. Please let me know your thoughts on this,
> thank you.
> 
> On Wed, Nov 20, 2019, 3:30 PM Ben Pfaff <blp at ovn.org> wrote:
> 
> > On Tue, Nov 12, 2019 at 10:55:02AM -0800, Nick wrote:
> > > I'm trying to setup custom IPFIX export field that include a custom
> > > metadata field loaded from the ovs flow register. I have successfully
> > setup
> > > ipfix sampling with a flow sample action but I can't get a custom field
> > to
> > > be exported. Looking at the docs there is an `external_ids` field, which
> > is
> > > a map of string to string, but I can't seem to get that to work.
> > > Essentially I need the normal data record export(which I have working)
> > plus
> > > the extra field which I would like to load from reg2.
> > >
> > > Would this be possible? I've tried digging through ipfix/ovs docs but
> > > haven't found a solution yet. Thank you in advance for your help.
> >
> > OVS doesn't support this.
> >


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