I only read your original message quickly, but if I understand it properly, it sounds to me like OVS is behaving in more or less the same way as a Ethernet switch would ordinarily behave. If I understand your setup, initially you have a VM with a particular MAC address on some host. Then you shut down that VM, so there is now nothing on the network with the MAC address in question. OVS quickly sees that it hasn't had any packets from that MAC address on any port, so it starts flooding packets that are directed to that MAC to all ports. It will continue to do that until the VM reappears. (But eventually the hosts or VMs sending packets to that MAC will realize that they haven't had any responses in a while, time out that MAC, and fall back to ARPing for it, which effectively rate-limits the traffic.)
Does that sound reasonable? _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org
