As we know, openflow message OFPT_FEATURE_REQUEST is controller sent to OF Switch to get what kind of features target OF Switch supports? such as bitmap of supported capabilities, bitmap of supported actions, and how many ports and tables it support, and so on, For this mail, i am focus on ports feature, considering this kind of scenario, i created a OF switch by command: *ovs-vsctl add-br br0, * *ovs-vsctl set-controller br0 tcp:ip:port
* *At this time, after connection between controller and switch br0 is established, when controller send OFPT_FEATURE_REQUEST to this switch br0, it will tell controller it only have one port for interface br0, right? Since, i don't execute any ovs-vsctl add-port command to add port in switch br0. Is my understanding right? If it is right, it means OpenvSwitch which will dynamically add port into switch, then i have a question, how OVS report subsequent new add port to controller? * **
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