A network integrator plans to implement the HP Network Protector SDN application in a network. What is a key consideration with regards to the OpenFlow protocol implementation and switch selection?
A. If the access switch supports PACKETIN
B. If the core switch supports PACKETIN
C. If the access switch supports FORWARD_NORMAL
D. if the core switch supports FORWARD_NORMAL
Correct Answer: A
Explanation/Reference:
Explanation:
Note:
* The PacketIn message is a way for the switch to send a captured packet to the controller. There are two reasons why this might happen; there could be an explicit action as a result of a match asking for this behavior, or from a miss in the match tables, or a ttl error.
Reference: OpenFlow Switch Specification Version 1.3.1