[ovs-discuss] Q: Using netfilter to classify packets in OVS ?

Joe Stringer joe at ovn.org
Wed Jul 12 17:54:34 UTC 2017


On 7 July 2017 at 15:20, Jean Tourrilhes <jt at labs.hpe.com> wrote:
>         Hi,
>
>         I want to classify/match packets in OVS based on some TCP
> options, this is currently not supported by OVS but it is supported by
> netfilter. The support for ConnTrack left me wondering if I could use
> netfilter to match that field and then use the result of that in OVS.
>         Thanks in advance...

Hi Jean,

There's no native integration, but I could imagine that if Netfilter
ran on the packets first then modified the skb mark field, then OVS
ran later on that packet then plausibly you could match on the
pkt_mark.


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