Live capture with I/O stat intervals tshark

Per-second retransmission counts to correlate packet loss with app latency spikes

tshark -i any -q -z io,stat,1,'COUNT(tcp.analysis.retransmission)tcp.analysis.retransmission'

#tshark #performance #monitoring #troubleshooting

more tshark all 4 commands →

Extract fields to columns tshark -r cap.pcap -Y http.request -T fields -e ip.src -e http.host -e http.request.uri -E header=y Follow a TCP stream as ascii tshark -r cap.pcap -q -z follow,tcp,ascii,0 TCP conversation statistics tshark -r cap.pcap -q -z conv,tcp