>From: John Nemeth <jnemeth@cue.bc.ca>
>
>     I've been having a problem with pppd and proxy-arp on every version
>of NetBSD that I've used, and I'm wondering if anybody has a solution.
>The problem is that when the PPP connection is closed the proxy-arp
>entry doesn't go away, so the route that was pointing to the PPP
>interface gets changed to point to the main ethernet interface.  This
>means the next time somebody dials in and gets that PPP interface, they
>don't get any packets.  I'm in the process of replacing an L* box with
>a NetBSD box, but I can't do so until this problem is solved.  The L*
>box is extremely unstable, but it doesn't have this particular problem.

See PR bin/4723, which I filed on this subject.  It contains an
explanation of what's going wrong, and a proposed patch (which didn't
work for me, but it may contain helpful information).

Cheers,
entropy

--
entropy -- it's not just a good idea, it's the second law.