*Question:* Layer 2 keepalives, ISIS packets, Cisco Discovery Protocol (CDP) packets, and PPP Link Control Protocol (LCP) packets are examples of non-IP packets. Which router plane handles all non-IP packets?
*Correct Answer:* The control plane *Your Answer:* Control plane protection - CEF exception I agree that Control plane cares about non-ip packet but would it be wrong if I had answered as above "Control plane protection" which is a sub-system who really take care of them ? -- Bruno Fagioli Cisco Security Professional
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