[ovs-discuss] Primary controllers reconnection clear flow table

[Ben Pfaff]

On Mon, Mar 11, 2013 at 12:17:52PM +0800, sparveriusae at gmail.com wrote:
> I was trying to set up multiple controllers in OVS. According to the
> ovs-vswitchd.conf.db document, if I add another primary controller to
> supplement an existing primary controller, or removing only one of the
> two primary controllers, it should have no effect on the flow table.
> However, it seems that whenever I terminate one of the two connections
> between OVS and my two controllers and reconnect again, the flow table
> would always be cleared. Is there any way to prevent this from happening?

Either you are encountering a bug, or you do not understand how to
change the controllers without clearing the flow table.  The latter
seems more likely.  How are you changing the controllers?