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I'm having a lot of trouble connecting to VPN. This used to work on my machine, but i recently did an update and it's stopped working. I'm not sure what the problem is.

My question is how do i debug this? I'm not able to narrow it down to a specific problem. This is what i get when i tail the syslogs. Would appreciate any help!

Nov  6 23:42:52 meera NetworkManager[1137]: <info> Starting VPN service 'pptp'...
Nov  6 23:42:52 meera NetworkManager[1137]: <info> VPN service 'pptp' started (org.freedesktop.NetworkManager.pptp), PID 6132
Nov  6 23:42:52 meera NetworkManager[1137]: <info> VPN service 'pptp' appeared; activating connections
Nov  6 23:42:52 meera NetworkManager[1137]: <info> VPN plugin state changed: starting (3)
Nov  6 23:42:52 meera NetworkManager[1137]: <info> VPN connection 'NAME VPN' (Connect) reply received.
Nov  6 23:42:52 meera pppd[6136]: Plugin /usr/lib/pppd/2.4.5/nm-pptp-pppd-plugin.so loaded.
Nov  6 23:42:52 meera pppd[6136]: pppd 2.4.5 started by root, uid 0
Nov  6 23:42:52 meera chat[6139]: timeout set to 15 seconds
Nov  6 23:42:52 meera chat[6139]: abort on (NO CARRIER)
Nov  6 23:42:52 meera chat[6139]: abort on (NO DIALTONE)
Nov  6 23:42:52 meera chat[6139]: abort on (ERROR)
Nov  6 23:42:52 meera chat[6139]: abort on (NO ANSWER)
Nov  6 23:42:52 meera chat[6139]: abort on (BUSY)
Nov  6 23:42:52 meera chat[6139]: abort on (Username/Password Incorrect)
Nov  6 23:42:52 meera chat[6139]: send (AT^M)
Nov  6 23:42:52 meera pptp[6138]: nm-pptp-service-6132 log[main:pptp.c:314]: The synchronous pptp option is NOT activated
Nov  6 23:42:52 meera chat[6139]: expect (OK)
Nov  6 23:42:52 meera pptp[6143]: nm-pptp-service-6132 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 1 'Start-Control-Connection-Request'
Nov  6 23:42:53 meera pptp[6143]: nm-pptp-service-6132 log[ctrlp_disp:pptp_ctrl.c:739]: Received Start Control Connection Reply
Nov  6 23:42:53 meera pptp[6143]: nm-pptp-service-6132 log[ctrlp_disp:pptp_ctrl.c:773]: Client connection established.
Nov  6 23:42:53 meera pptp[6143]: nm-pptp-service-6132 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 7 'Outgoing-Call-Request'
Nov  6 23:42:54 meera pptp[6143]: nm-pptp-service-6132 log[ctrlp_disp:pptp_ctrl.c:858]: Received Outgoing Call Reply.
Nov  6 23:42:54 meera pptp[6143]: nm-pptp-service-6132 log[ctrlp_disp:pptp_ctrl.c:897]: Outgoing call established (call ID 0, peer's call ID 13077).
Nov  6 23:42:54 meera pptp[6138]: nm-pptp-service-6132 warn[decaps_hdlc:pptp_gre.c:231]: The ppp mode is synchronous, yet no pptp --sync option is specified!
Nov  6 23:43:07 meera chat[6139]: alarm
Nov  6 23:43:07 meera chat[6139]: Failed
Nov  6 23:43:07 meera pppd[6136]: Script chat -v -f /etc/ppp/chat-ztisp finished (pid 6139), status = 0x3
Nov  6 23:43:07 meera pppd[6136]: Connect script failed
Nov  6 23:43:07 meera pppd[6136]: Waiting for 1 child processes...
Nov  6 23:43:07 meera pppd[6136]:   script /usr/sbin/pptp 204.197.218.90 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-6132, pid 6138
Nov  6 23:43:07 meera pptp[6138]: nm-pptp-service-6132 warn[decaps_hdlc:pptp_gre.c:204]: short read (-1): Input/output error
Nov  6 23:43:07 meera pptp[6138]: nm-pptp-service-6132 warn[decaps_hdlc:pptp_gre.c:216]: pppd may have shutdown, see pppd log
Nov  6 23:43:07 meera pptp[6143]: nm-pptp-service-6132 log[callmgr_main:pptp_callmgr.c:234]: Closing connection (unhandled)
Nov  6 23:43:07 meera pppd[6136]: Script /usr/sbin/pptp 204.197.218.90 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-6132 finished (pid 6138), status = 0x0
Nov  6 23:43:07 meera pptp[6143]: nm-pptp-service-6132 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request'
Nov  6 23:43:07 meera pptp[6143]: nm-pptp-service-6132 log[call_callback:pptp_callmgr.c:79]: Closing connection (call state)
Nov  6 23:43:07 meera pppd[6136]: Exit.
Nov  6 23:43:07 meera NetworkManager[1137]: <warn> VPN plugin failed: 1
Nov  6 23:43:07 meera NetworkManager[1137]: <info> VPN plugin state changed: stopped (6)
Nov  6 23:43:07 meera NetworkManager[1137]: <info> VPN plugin state change reason: 0
Nov  6 23:43:07 meera NetworkManager[1137]: <warn> error disconnecting VPN: Could not process the request because no VPN connection was active.
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