#Tool
tcpdump

#Description
tcpdump is a data-network packet analyzer computer program that runs under a command line interface. It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached.
Here we use it to capture all the traffic that goes out and in the lab network and save it into a pcap file.

#Usage
The following command is used to run tcpdump:
tcpdump -i interface -w /path/to/output.pcap -s0 -v
We specify the interface, the output file, the snapshot length to default and -v flag to show information from the IPv4 header in parentheses after the IP or the link-layer header.
Manual: https://www.tcpdump.org/manpages/tcpdump.1.html

#Output
capture_date.pcap

