Hi openvswitch developers, I have a simple question, however I could not find any way to answer is "why ovs has no rules, it does not ask the controller". In theory, when a new packet comes, if there is no matching found, the switch will ask the controller for actions. In fact, I can see the Packet_in message if I use mininet to connect to a controller on a different PC. What I did is I installed both controller and OVS on the same PC which has multiple network interfaces act as ports of OVS. Then I deleted all flow rules on the switch (sudo ovs-ofctl del-flows br0) and executed a ping from that PC to the gateway. I think the switch must ask the controller, but there is no OF messages!
Please advice, Thanks, Minh.
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