I second that. I earned several grey hairs working out how to keep a certain unamed online service providers ppp-like tunnels both up and useful over a big MPLS backbone. The results of such tunneling is *very* sensitive to *common* (and otherwise harmless) network issues.
-jasons Alan Cox wrote: > On Tue, 2002-09-10 at 01:36, John Summerfield wrote: > >>On Tue, 10 Sep 2002 05:38, you wrote: >> >>>Adding ppp support and a few small >>>scripts, and you've got a really nice VPN server...8-) >> >> >>There's a nitfy example of using ppp over ssh in the pppd >>documentation/samples. Take a look. > > > Bad idea except on an extremely reliable link. You basically end up > squaring the TCP backoff behaviour - which is not ideal under loss. > Thats why the 'real world' setups use datagram framing - UDP like CIPE, > raw packet protocols like PPTP and raw ethernet like PPPoE > > It does work for simple things though >
