What processing generate Packet-in messages to the controller? (Choose two).

All packets forwarded to the CONTROLLER reserved port
Echo request messages that are send from the switch
If a packet does not match a flow entry in a flow table
Response for the Modify-State messages which are send by the controller to manage state on the switches
Response to the controller with a features that specifies the identity and basic capabilities of the switch

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.