On 8/8/25 3:36 PM, Ilya Maximets wrote: >>> - There is a TODO item for learning FDB from evpn tunnels, but isn't >>> the whole point of EVPN is having MAC/IP learning via BGP control >>> plane instead of traditional broadcast that doesn't scale well? >> >> Maybe the TODO item is not explicit enough. If the remote MAC is >> advertised through BGP-EVPN (i.e., there's a type-2 EVPN route >> advertised by the remote side for that MAC) FRR will install an >> extern_learn neighbor entry for it on the bridge ovn-controller >> monitors. In that case we'll learn it and use it (so no broadcast). >> >> However, if traffic enters OVN through an EVPN VXLAN tunnel and the >> source MAC of the inner packet is not advertised through a type-2 OVN >> will not dynamically learn that MAC address (yet). > I guess, the question is: is it normal for the MAC to not be advertised > while we see traffic with this MAC? i.e. is it a misconfig/malfanction > on the other end if this MAC is not advertised or is it a common thing > to have in a properly configured EVPN setup?
I guess it depends on the configuration of the remote side. FWIW I do see it as a functionality we need to have before we can remove the "experimental" label of the OVN feature. Regards, Dumitru _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
