Hi,
If you feel that OVN-Neutron-Neutron-Dynamic-Routing has some issue feel
free to open a bug report in launchpad:
https://bugs.launchpad.net/neutron

If it is a more complex issue we have weekly meetings where you can ask
Neutron team for advice and help (we use IRC), or just write a mail
to Openstack Discuss List <openstack-disc...@lists.openstack.org> with
[Neutron] in the subject.

Best wishes
Lajos Katona


Plato, Michael via discuss <ovs-discuss@openvswitch.org> ezt írta (időpont:
2023. febr. 23., Cs, 10:26):

> Hello,
>
>
>
> many thanks for the quick response. As I can see, the ticket is a bit
> older. Are there any ideas for a solution so far or first patches that
> could be tested?
>
>
>
> Best regards
>
>
>
> Michael
>
>
>
> *Von:* Luis Tomas Bolivar <ltoma...@redhat.com>
> *Gesendet:* Montag, 20. Februar 2023 10:03
> *An:* Plato, Michael <michael.pl...@tu-berlin.de>
> *Cc:* ovs-discuss@openvswitch.org
> *Betreff:* Re: [ovs-discuss] Problem with ovn and neutron dynamic routing
>
>
>
> We hit this problem a while ago and reported it here:
> https://bugzilla.redhat.com/show_bug.cgi?id=1906455
>
>
>
> On Mon, Feb 20, 2023 at 9:56 AM Plato, Michael via discuss <
> ovs-discuss@openvswitch.org> wrote:
>
> Hello,
>
>
>
> we have a problem with ovn in connection with neutron dynamic routing
> (which is now supported with ovn). We can announce our internal networks
> via BGP and the VMs in this network can also be reached directly without
> nat.
>
> But if we attach a public floating ip to the internal self service network
> ip, we have some strange effects. The VM can still be reached via ping with
> both ips. But SSH for example only works via floating ip. I did some
> network traces and found that the return traffic is being natted even
> though no nat was applied on incoming way. From my point of view we need a
> conntrack marker which identifies traffic which was d-natted on incoming
> way and s-nat only those traffic on return way. Is it possible to implement
> something like this to fully support ovn with BGP announced networks which
> are directly reachable via routing?
>
>
>
> Thanks for reply and best regards!
>
>
>
> Michael
>
> _______________________________________________
> discuss mailing list
> disc...@openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>
>
>
> --
>
> LUIS TOMÁS BOLÍVAR
> Principal Software Engineer
> Red Hat
> Madrid, Spain
> ltoma...@redhat.com
>
> _______________________________________________
> discuss mailing list
> disc...@openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>
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