[pptp-server] routing problem with pppd

[T.Shaw]

He doesn't have to do that.. If he running any type of Unix box, just add a
default route for all traffic for the pptp tunnel to go out the ppp0
interface..You can have more than 1 gateway on a unix box.. That way..
traffic destined for your local LAN stays on your local LAN and traffic for
your pptp tunnel goes out the ppp0 interface.

----- Original Message -----
From: "John Van Ostrand" <john at netdirect.ca>
To: <mrauscher at bigfoot.com>; <pptp-server at lists.schulte.org>
Sent: Tuesday, May 23, 2000 5:13 AM
Subject: RE: [pptp-server] routing problem with pppd


> Michael,
>
> First off your default route is pointed to your ethernet. This means that
it
> would be impossible to connect to any server outside (except "dns".)
>
> Remove the default route to your ethernet and try adding a "defaultroute"
to
> you pppd command line.
>
> John
>
> > -----Original Message-----
> > From: Michael Rauscher [mailto:mrauscher at excite.com]
> > Sent: Monday, May 22, 2000 11:10 PM
> > To: pptp-server at lists.schulte.org
> > Subject: [pptp-server] routing problem with pppd
> >
> >
> > Okay, I believe I've got a simple routing problem but I don't
> > know how to
> > fix it. Please help!!!
> >
> > I'm trying to setup a pptp vpn between a Win98 SE client
> > (I-net connected
> > through dialout to an ISP) and a Linux PoPToP server which is
> > on a LAN
> > (also I-net connected through dialout to an ISP).
> >
> > To test everything I've got the PoPToP server (RH6.2), and
> > the Win98 SE
> > client, both on a 192.168.00 LAN. I can VPN to the linux
> > server and it works
> > slick (thanx to lots of help from searching this list, the
> > howtos and much
> > head-banging). But, when I try to connect via the ISP link,
> > the server isn't
> > responding.
> >
> > I've got the server doing demand dialing, and when I get the
> > IP address from
> > its ppp0 interface, I use that to try to connect with the Win
> > client. Seems
> > simple, but this routing thing is driving me crazy. Yep, I'll
> > admit it --
> > I'm a neophyte and am trying to learn all this stuff on my
> > own, but I'd
> > really appreciate it if someone could take a look at this
> > output and give me
> > a clue before I lose any more hair. BTW, ipchains is wide
> > open for purposes
> > of the testing; I' pretty sure that's not the problem. Check out the
> > messages from the log below related to the routes and proxyarp.
> >
> > Here's my options file:
> >
> > #/etc/ppp/options
> > +chapms
> > +chapms-v2
> > mppe-40
> > mppe-128
> > mppe-stateless
> > proxyarp
> > demand
> > debug
> > idle 120
> > ipcp-accept-remote
> > ipcp-accept-local
> > mru 1500
> > lock
> > noauth
> > defaultroute
> > user powerplt
> > remotename *
> > modem 57600 crtscts
> > connect '/usr/sbin/chat -v -f /etc/ppp/dialout-chat'
> >
> > I start pppd like this:
> >
> > <pppd /dev/modem file /etc/ppp/options.dialout :dns-server>
> >
> > <tail /var/log/messages>
> >
> > May 22 18:58:28 fairbanks kernel: CSLIP: code copyright 1989
> > Regents of the
> > University of California
> > May 22 18:58:28 fairbanks kernel: PPP: version 2.3.10 (demand
> > dialling)
> > May 22 18:58:28 fairbanks kernel: PPP line discipline registered.
> > May 22 18:58:28 fairbanks kernel: registered device ppp0
> > May 22 18:58:57 fairbanks pppd[745]: pppd 2.3.10 started by
> > root, uid 0
> > May 22 18:58:57 fairbanks pppd[745]: Using interface ppp0
> > May 22 18:58:57 fairbanks pppd[745]: not replacing existing
> > default route to
> > eth0 [192.168.0.1]
> > May 22 18:58:57 fairbanks pppd[745]: Cannot determine
> > ethernet address for
> > proxy ARP
> > May 22 18:58:57 fairbanks pppd[745]: local  IP address 10.64.64.64
> > May 22 18:58:57 fairbanks pppd[745]: remote IP address xxx.xxx.121.2
> >
> > <route>
> >
> > Kernel IP routing table
> > Destination     Gateway         Genmask         Flags Metric
> > Ref    Use
> > Iface
> > dns             *               255.255.255.255 UH    0
> > 0       0 ppp0
> > fairbanks       *               255.255.255.255 UH    0
> > 0        0 eth0
> > 192.168.0.0     *               255.255.255.0   U     0
> > 0        0 eth0
> > 127.0.0.0       *               255.0.0.0       U     0
> > 0        0 lo
> > default         gateway         0.0.0.0         UG    0
> > 0        0 eth0
> >
> > mike rauscher
> >
> >
> >
> >
> >
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