On Fri, Jan 15, 2021 at 7:31 AM Eric Li <ericthe...@gmail.com> wrote: > > Hi All, > > We have a setup with br-int and br-tun similar to openstack setup. Using an > openflow rule to forward a vxlan tunnelled packet to another machine, we > set the exact destination IP and destination mac under a group rule. > > We are seeing ARP requests for the destination IP unexpectedly. I don't > think OVS is sending those ARP requests, so it would be some linux network > stack that decided to ARP the destination IP even though the destination > mac is already in the packet header. > > Questions are: > > 1. Who trigger this unneeded ARP request? When OvS tries to send tunnel packets, OvS will use the arp, if there is no arp, request it. > 2. Can we disable this behavior? I add a feature, then OvS can learn arp from linux kernel. In other words, we disable it ? http://patchwork.ozlabs.org/project/openvswitch/list/?series=220295 > Thanks, > Eric > _______________________________________________ > dev mailing list > d...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
-- Best regards, Tonghao _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev