DragonFly BSD
DragonFly bugs List (threaded) for 2006-01
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Re: dhclient broken (not broken, update)

From: "Justin C. Sherrill" <justin@xxxxxxxxxxxxxxxxxx>
Date: Thu, 19 Jan 2006 10:21:26 -0500 (EST)

On Thu, January 19, 2006 7:10 am, Vladimir Sharun wrote:
> It was an overlap of two factors:
> a) My 7 years old Compaq Neteligent (tl) generally can't send anything at
> all in Dragonfly
> b) Cable modem requires poweroff cycle if we want to use it with another
> netcard
> Yesterday I do (b) with rl0 and everything fine.
> Thanks to everybody for suggestions.

Cable operators often set their cable modems to allow traffic from a
limited number of MAC addresses.  This is in part to prevent someone from
eating up all available dynamic addresses for that part of the network,
and sometimes also so they can charge more money on a per-host basis.

If you've been swapping out your network cards, you probably reached the
limit.  Resetting the modem clears that table of allowed MACs, so my
educated guess is that is the reason that nothing worked before, and also
why the power cycle fixed it.

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