ARP noise

(Not, like, this, though.)

I’ve recently become a Mediacom cable-modem user (in my new apartment, where it’s ‘free’). And my modem and router are talking to each other non-stop. Needless to say if you already knew it, I had to find out what the noise was about. Turns out the network is making about 20 ARP requests per second.

Ah, yeah, I remember this from the days when my DSL was in bridging mode rather than routing mode; gettin’ ARP requests for the whole damn city or something.

I guess it’s not a big deal, but it’s weird and annoying. I think I would have a network architecture that allowed me to filter these out before they went down the wrong pipe…

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