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Date:      Thu, 17 Apr 2003 21:49:03 +0200
From:      =?iso-8859-1?Q?Sten_Daniel_S=F8rsdal?= <sten.daniel.sorsdal@wan.no>
To:        "Brett Glass" <brett@lariat.org>, <freebsd-net@freebsd.org>
Subject:   RE: Userland PPP/PPTP tunneling problem
Message-ID:  <0AF1BBDF1218F14E9B4CCE414744E70F1F3CEB@exchange.wanglobal.net>

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> At 12:18 PM 4/17/2003, Sten Daniel S=F8rsdal wrote:
>=20
> >This is a known issue with the Microsoft PPTP client. It=20
> adds the natural
> >netmask and not the specified one.=20
>=20
> I don't understand. Why is /24 more "natural" than /16?

It's how the entire IP block is arranged I assume. I don't know=20
exactly what benefits there are from such a arrangement.

>=20
> >In case of 192.168.x.x/16 that is a=20
> >255.255.255.0 netmask and with for example 80.80.80.0/24 is=20
> 80.0.0.0/8.
>=20
> Even more confusion. How does it come up with that?

IP Baggage from times before subnet masks?

>=20
> >The only known workarounds AFAIK are requiring the client to=20
> default route
> >Through the tunnel=20
>=20
> Which causes slowdowns and a huge extra drain on the office's
> Internet feed

Yes, for most configurations this is true.

>=20
> >- or - setup a (persistent?) route on the windows box.
>=20
> I suppose we could try a script.
>=20
> >Say if client gets 192.168.1.2 when client connects, you=20
> need to manually
> >Enter: route -p add 192.168.0.0 mask 255.255.0.0 192.168.1.2
> >On the windows client before connecting.
>=20
> Is there a way to fire off a script automatically after connecting?

Persistent routes are routes that are reinstalled during bootup.
It will just mark them inactive until needed and deactive when no longer =
needed.
It's a setup that works. '-p' is the persistent flag.

>=20
> >Microsoft doesnt seem to be interested in fixing this=20
> problem as the problem
> >persist even on Windows XP and has been known since Windows 98(??).=20
>=20
> Figures.
>=20
> --Brett
>=20

- Sten



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