pptpclient on freeebsd

Aug 22 11:34:00 sumi pptp[1549]: anon log[main:pptp.c:276]: The synchronous pptp option is NOT activated
Aug 22 11:34:00 sumi pptp[1552]: anon log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 1 'Start-Control-Connection-Request'
Aug 22 11:34:00 sumi pptp[1552]: anon log[ctrlp_disp:pptp_ctrl.c:740]: Received Start Control Connection Reply
Aug 22 11:34:00 sumi pptp[1552]: anon log[ctrlp_disp:pptp_ctrl.c:774]: Client connection established.
Aug 22 11:34:01 sumi pptp[1552]: anon log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 7 'Outgoing-Call-Request'
Aug 22 11:34:01 sumi pptp[1552]: anon log[ctrlp_disp:pptp_ctrl.c:859]: Received Outgoing Call Reply.
Aug 22 11:34:01 sumi pptp[1552]: anon log[ctrlp_disp:pptp_ctrl.c:898]: Outgoing call established (call ID 0, peer's call ID 19200).
Aug 22 11:34:57 sumi pptp[1553]: anon warn[decaps_hdlc:pptp_gre.c:265]: Bad Frame Check Sequence during PPP to GRE decapsulation
Aug 22 11:35:00 sumi pptp[1552]: anon log[pptp_read_some:pptp_ctrl.c:545]: read returned zero, peer has closed
Aug 22 11:35:00 sumi pptp[1552]: anon log[callmgr_main:pptp_callmgr.c:255]: Closing connection (shutdown)
Aug 22 11:35:00 sumi pptp[1552]: anon log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request'
Aug 22 11:35:00 sumi pptp[1552]: anon log[pptp_read_some:pptp_ctrl.c:545]: read returned zero, peer has closed
Aug 22 11:35:00 sumi pptp[1552]: anon log[call_callback:pptp_callmgr.c:78]: Closing connection (call state)
Aug 22 11:35:00 sumi pptp[1553]: anon warn[decaps_hdlc:pptp_gre.c:197]: short read (0): Invalid argument

в чем может быть проблема?
конфиг простой:

vpn:
 set authname user
 set authkey password
 set timeout 0
 set ifaddr 0 0
 add default HISADDR