Hi,
Unfortunately, OpenFlow protocol does not define the way for the switch
to inform alive controllers that the primary controller is disconnected.
I think you need to make a connection between controllers,
let the primary controller to inform other controllers when it is
disconnected with the
Hello,
Dose it has any asynchronous message when I use multi-controller to set up
the network and one of controller is shutting down.
That is, when the primary controller disconnect with the switch, switch
will know and the parameter is_connected changing from "true" to false.
Does it has any solut
