Hello! > > I _guess_ the problem for ping might be: guest ARP entry for > > 192.168.100.1 is not updated. Or say, after guest migrated to host2 > > from host1, guest is still trying to send packet to host1's NIC (no > > one is telling it to update, right?), so no one is responding the > > ping. When the entry is expired, guest will resend the ARP request, > > and host2 will respond this time, with mac address on host2 provided > > this time. After that, ping works again. > > Peter, > > Thanks for your input, and that sounds reasonable. You just reminded > me that the host1's NIC is indeed different with host2's NIC: the ovs > bridge mac address is different.
Yes, this is indeed what is happening, and actually i already wrote about it. In wireshark it looks exactly like that: the some PINGs are sent without replies, then the guest redoes ARP, PING replies resume. Kind regards, Pavel Fedin Expert Engineer Samsung Electronics Research center Russia