Jakub Libosvar ba6f7bf83e dvr: Avoid installing non-dvr openflow rule on startup
The tunneling bridge uses different openflow rules depending if the
agent is running in DVR mode or not. With DVR enabled initial rule was
installed that caused traffic coming from the integration bridge to be
flooded to all tunnels. After a few miliseconds this flow was replaced
by a DVR specific flow, correctly dropping the traffic. This small time
window caused a network loop on the compute node with restarted agent.

This patch skips installing the non-dvr specific flow in case OVS agent
is working in DVR mode. Hence the traffic is never flooded to the

Closes-bug: #2028795

Signed-off-by: Jakub Libosvar <>
Change-Id: I3ce026054286c8e28ec1500f1a4aa607fe73f337
2023-07-27 18:29:58 +00:00
native dvr: Avoid installing non-dvr openflow rule on startup 2023-07-27 18:29:58 +00:00 Restructure agent code in preparation for decomp 2015-06-26 15:06:49 +00:00 [log] ovs fw logging implementation 2018-01-09 09:26:40 +07:00