# tcpdump -tnn -r xb.cap | awk -F "." '{print $1"."$2"."$3"."$4}' | sort | uniq -c | sort -nr# mergecap -w - cap.dmp5[0-9][0-9] | tcpdump -tnn -r - | awk -F "." '{print $1"."$2"."$3"."$4}' | sort | uniq -c | sort -nr | head