 | reply to sigsegv Sig,
These logs look about normal... except... I would wonder why there are so many dhcpds at the helm... A couple, okay... but my quick look through it shows 8. That seems a little much. Mediacom would be better to split this up a little more (especially if they expect growth in their customer base).
It could also be that they are not filtering the noise between clusters, which would be an easy fix.
Of course, it could also be due to idiot client's gateways who who haven't yet learned to point dhcpd in the right direction. 
If you're getting 2000+ arp requests per second at any time, then it should _definately_ get split up... or they should round up the idiot clients ahd hold a public hazing. (Whichever the case may be... )
Try to get a dump when arp traffic is like you say. Then send it to Mediacom and ask them to explain it. If they tell you that you need to reset your modem, that you must be configured incorrectly, or that they have no idea what you're talking about, then insist on talking to someone else.
Good luck,
WizLayer
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