Network sniffers take snapshot copies of the data flowing over a network without redirecting or altering it. Some sniffers work only with TCP/IP packets, but the more sophisticated tools work with many other network protocols and at lower levels, including Ethernet frames.
God gave me a vision in early 2017 about people holding up flags all across the nation over freeway overpasses…. then I saw that post of that man waving the flag on a freeway overpass yesterday….
Golden State Times…. let me find a link
https://www.youtube.com/watch?v=tVAdUuNF9oc