# snoop > Network packet sniffer. > SunOS equivalent of tcpdump. > More information: . - Capture packets on a specific network interface: `snoop -d {{e1000g0}}` - Save captured packets in a file instead of displaying them: `snoop -o {{path/to/file}}` - Display verbose protocol layer summary of packets from a file: `snoop -V -i {{path/to/file}}` - Capture network packets that come from a hostname and go to a given port: `snoop to port {{port}} from host {{hostname}}` - Capture and show a hex-dump of network packets exchanged between two IP addresses: `snoop -x0 -p4 {{ip1}} {{ip2}}`