neutron

  1. Bug #1928738
  2. Comment #7

Comment 7 for bug 1928738

Revision history for this message
LIU Yulong (dragon889) wrote :

So as Slawek mentioned, it is a known issue https://bugs.launchpad.net/neutron/+bug/1774459 with some duplicates:

https://bugs.launchpad.net/neutron/+bug/1821357
https://bugs.launchpad.net/neutron/+bug/1873375
https://bugs.launchpad.net/neutron/+bug/1859638

One more thing, if arp_responder is enabled, the ARP packets will not go out to the physical devices if vxlan or tunnel is enabled.

This could be a complicated issue, you can try to use "ovs-appctl ofproto/trace" to simulate the GARP packet coming from VM port to trace where it goes.