logoalt Hacker News

fmbbtoday at 7:21 PM1 replyview on HN

But the comment says ”we were building packet sniffers” … and needed mirroring as part of that.


Replies

yabonestoday at 7:31 PM

It's super common and very useful for security systems to work like this. Instead of putting something in-line that might choke on a burst of traffic you put it off to the side and send it a firehose of packets it may or may not be able to handle. If it falls over, no problem.