capinfo is a tool for displaying statistics about network traffic from files saved with or snoop(1M).

For pcap files, capinfo will display the following information:

byte order of the capture file

libpcap version used for packet capture

capture timezone (usually empty)

significant figures of timestamps (usually empty)

snap length: maximum packet size captured

data link type

number of packets and bytes

number of snaplen truncated packets

timestamp of the first and last packets

For snoop files, capinfo will display the following information:

snoop version used for packet capture

data link type

number of packets and bytes

number of snaplen truncated packets

timestamp of the first and last packets