When trying to find the root of a network problem, it helps to look at the packets that might be a symptom. In order to look at these packets, you must first capture them. This section covers setting up many types of interfaces and how to limit the capture size.
How you get the packets
Capture from a remote machine
Read the file while it's downloading
Build your own interface
Default interfaces on Windows, Macos, Linux, and FreeBSD
The part that captures packets
"The Big Kahuna"
Drop uninteresting traffic like a hot potato
Limit the capture size before starting it