/etc/ppp/peers/<tunnelname>
---------------------------

remotename <tunnelname>
linkname <tunnelname>
ipparam <tunnelname>
pty "pptp <pptpserverip> --nolaunchpppd"
name <username>
usepeerdns
debug dump
noauth
file /etc/ppp/options.pptp
nomppe

/etc/ppp/options.pptp
---------------------

lock
noauth

nobsdcomp
nodeflate

refuse-eap
refuse-chap
refuse-mschap

/etc/ppp/chap-secrets
---------------------

<username> <tunnelname> <password> *

/etc/ppp/ip-up.local
---------------------

#!/bin/bash

route add -host <pptpserverip> dev eth0
route del default eth0
route add default ppp0

exit 0