From owner-freebsd-hackers  Sat Mar 16 23:09:18 1996
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Date: Sun, 17 Mar 1996 09:09:07 +0200
Message-Id: <199603170709.JAA19448@lesti.hut.fi>
From: Kai Vorma <vode@snakemail.hut.fi>
To: Frank Seltzer <frankd@yoda.fdt.net>
cc: hackers@freebsd.org
In-reply-to: Frank Seltzer's message of 17 Mar 1996 05:03:50 +0200
Subject: Re: Linux PPP upgrade causes problems
Reply-to: Kai.Vorma@hut.fi
References: <MLIST_199603170125.UAA11660@yoda.fdt.net>
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   My Linux using ISP just upgraded his PPP version to 2.2.0e and I can no
   longer access the net from his system. I am using user level PPP from
   -stable of about a month and a half ago (early Feb) and have had no problems

Sounds familiar. Try adding to /etc/ppp/ppp.conf

  disable pred1
  deny pred1


That helped me some months ago when our Linux PPP server was
upgraded.

..vode