У меня тоже запахало.
Правда при убиении соединения (killall ppp) появлялся pptp.coreНачал копаться менять, добавлять... доигрался, что работать перестало
В чем проблема - не знаю
Вот мой ppp.conf:
default:
set device "!/usr/local/sbin/pptp 10.100.206.1 --nolaunchpppd"
# disable acfcomp protocomp
# deny acfcomp
set dial
set login
set server /var/run/ppp/loop "" 0177
set timeout 43200
set reconnect 60 0
# set mtu 1450
# enable dns
resolv readonly
set authname <login>
set authkey <password>
# nat enable yes
set lqrperiod 5
enable lqr
disable mppe
enable mssfixup
disable ipv6cp
# set ifaddr 0 0
add 10.100.206.1/32 10.100.207.1
add default HISADDR
Запускал командой ppp -ddial
А вот, что я обнаружил в ppp.log:
Sep 17 00:27:42 sandy@mak ppp[512]: Phase: Using interface: tun0
Sep 17 00:27:42 sandy@mak ppp[512]: Phase: deflink: Created in closed state
Sep 17 00:27:42 sandy@mak ppp[512]: Phase: Listening at local socket /var/run/ppp/loop.
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: PPP Started (ddial mode).
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: bundle: Establish
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: deflink: closed -> opening
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: deflink: Connected!
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: deflink: opening -> dial
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: deflink: dial -> carrier
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: deflink: carrier -> login
Sep 17 00:27:42 sandy@mak ppp[513]: Phase: deflink: login -> lcp
Sep 17 00:27:46 sandy@mak ppp[513]: Phase: bundle: Authenticate
Sep 17 00:27:46 sandy@mak ppp[513]: Phase: deflink: his = PAP, mine = none
Sep 17 00:27:46 sandy@mak ppp[513]: Phase: Pap Output: <login> ********
Sep 17 00:27:49 sandy@mak ppp[513]: Phase: Pap Output: <login> ********
Sep 17 00:27:50 sandy@mak ppp[513]: Phase: Pap Input: SUCCESS dropped (got id 1, not 2)
Sep 17 00:27:50 sandy@mak ppp[513]: Phase: Pap Input: SUCCESS ()
Sep 17 00:27:50 sandy@mak ppp[513]: Phase: deflink: lcp -> open
Sep 17 00:27:50 sandy@mak ppp[513]: Phase: bundle: Network
Sep 17 00:27:53 sandy@mak ppp[513]: Warning: ff02:4::/32: Change route failed: errno: Network is unreachable