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[-] PowerCrazy@lemmy.ml 1 points 1 year ago

That is extraordinarily rare and I'm not even sure if it's possible anymore. That was potential attack vector in the 90's where you have a port on network switch, and then you flood the cam table with thousands of bogus mac addresses until you fill it up, then the switch turns into a hub, and you can now sniff all traffic traversing the switch. These days I'm not sure what will happen if you do successfully fill up a switches cam table. Also cam table sizes are are much much larger now. ~128k entry's vs maybe 1000 back in the day.

[-] Socsa@sh.itjust.works 6 points 1 year ago* (last edited 1 year ago)

You can bring a surprisingly large number of network segments down just by plugging both ends of the same cable into a dumb switch. It probably won't happen immediately, but eventually you will get a broadcast storm which will propagate until it hits an element smart enough to snuff it out.

this post was submitted on 11 Dec 2023
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