Thanks Frode for your answer > On 15 Feb 2021, at 20:32, Frode Nordahl <frode.nord...@canonical.com> wrote: > > On Mon, Feb 15, 2021 at 2:52 PM Daniel Alvarez Sanchez > <dalva...@redhat.com> wrote: >> Recently we found out that due to a misconfiguration of the OVN bridge >> mappings, traffic that should be sent out to an external bridge was tunneled >> to the destination. Since the traffic was working, it took a while to spot >> the misconfiguration. >> While this can be ok as it keeps everything functional, it can have an >> impact in the throughput and the overall performance. The intent of this >> email is to gather feedback as to whether we should keep this behavior or >> rather, drop the traffic and log the misconfiguration issue (like patch-port >> is missing, review the bridge mappings configuration?). > > This is a feature. The fact that OVN does not require all chassis in > the network to have external connectivity gives it a higher degree of > flexibility when compared to other solutions. > > If you operate OVN as an overlay on top of a L3-only CLOS fabric > without EVPN it is required functionality. It allows you to tunnel N/S > traffic to chassis in the physical vicinity of the data center border > routers and avoid spanning a shared L2 across your DC fabric.
Right, I see this use case. > OVN used to log the configuration excessively [0], and since then it > has luckily been squelched into a single log message [1]. > > If you are suggesting this may be a source of supportability issues in > case one has missed the one log message, perhaps we need some way of > making this state observable through a call to `ovn-appctl` or > something similar? I think this could definitely help. > > 0: https://bugs.launchpad.net/ubuntu/+source/ovn/+bug/1865127 > 1: > https://patchwork.ozlabs.org/project/openvswitch/patch/20200519155816.24508-3-ihrac...@redhat.com/ > > -- > Frode Nordahl > >> Looking forward to hearing from you. >> Thanks a lot, >> daniel >> _______________________________________________ >> discuss mailing list >> disc...@openvswitch.org >> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
