Userland PPP not deleting old IP on disconnect

Mike Tancsa mike at
Tue Oct 14 19:38:14 PDT 2008

At 08:29 PM 10/14/2008, Daniel O'Connor wrote:
>On Friday 10 October 2008 11:25:19 Daniel O'Connor wrote:
> > >               Default: Enabled if -nat is specified.  This option
> > > simply tells ppp to add new interface addresses to the interface
> > > rather than replacing them.  The option can only be enabled if
> > > network address translation is enabled (``nat enable yes'').
> >
> > I've added that and nat enable no (even though it was not enabled) and
> > I'll see how I go.
>Now it doesn't appear on tun0 but I still get pf adding states for the old
>Obviously this breaks connectivity for NAT machines :)
>I am going to update to RELENG_7 RSN and I will see if that helps. It is very
>odd it only just started doing it though..

do you have tun0 in () on your nat statement ?

nat on tun0 from to  any -> (tun0)

You could always add to ppp.linkup something like

  ! /sbin/pfctl -Fnat -f /etc/pf.conf


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