Thursday, January 28, 2021

Port mirroring and ntop - what packets get dropped?

So I've got a 24 port gig switch with mirroring enabled, driving an ntop instance. All good, but it occured to me that the mirror port is only a gig, so if I have two simulataneous high speed transfers on my LAN going on at the same time a whole bunch of packets are going to get dropped. Am I right? I would guess the packets that get dropped would be random based simply on when they arrived at the mirror port? Am I on the right track here?



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