Generic Matches

Generic matches can be matched on any type of packet. ICMP type only applies to ICMP packets; destination port only to UDP or TCP packets. But source address can apply to any packet and is thus a Generic match
Generic matches are the major matches referred to on the last slide

Generic matches can be matched on any type of packet. ICMP type only applies to ICMP packets; destination port only to UDP or TCP packets. But source address can apply to any packet and is thus a Generic match