i have set a PPTP VPN and i'm able to connect with about 40 cellular routers properly, except two problems:
[LIST=1]
- 1 - at some point after i'm already connected to the VPN, i randomly get these "Protocol-Reject for unsupported protocol" messages:
Jun 13 17:51:52 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0xf6aa
Jun 13 17:51:52 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x2864
Jun 13 17:51:52 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x5
Jun 13 17:51:52 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 'NTCITS IPI' (0xc1)
Jun 13 17:51:53 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x85
Jun 13 17:51:53 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x215
Jun 13 17:51:53 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 'KNX Bridging Data' (0x51)
Jun 13 17:51:53 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0xe1
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0xde74
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x7e62
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0xf
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 'Stream Protocol ST-II' (0x33)
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 'SNA over 802.2' (0x4b)
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x1c7e
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x93
Jun 13 17:51:54 linux-zipx pppd[21565]: Protocol-Reject for unsupported protocol 0x5eba
at this point i can't do anything and only a reconnect to the VPN fixes this problem.
if happens in a much higher rate when i connect the VPN through my linux machine (opensuse 12.1), usually a few minutes after i start applications that use a lot of bandwidth, KTorrent for example.
- 2 - sometimes the routers aren't able to connect to the VPN. i get the following messages in the routers:
info Jun 13 23:18:10 syswatcher[1] start service [pptp.ADTV_PPTP]
notice Jun 13 23:18:10 pppd[1787] Connection terminated.
notice Jun 13 23:18:10 pptp[1788] anon log[pptp_read_some[:P]ptp_ctrl.c:544]: read returned zero, peer has closed
notice Jun 13 23:18:10 pptp[1788] anon log[call_callback[:P]ptp_callmgr.c:79]: Closing connection (call state)
notice Jun 13 23:18:10 pptp[1812] anon log[main[:P]ptp.c:320]: The synchronous pptp option is NOT activated
notice Jun 13 23:18:10 pptp[1814] anon log[ctrlp_rep[:P]ptp_ctrl.c:251]: Sent control packet type is 1 'Start-Control-Connection-Request'
notice Jun 13 23:18:10 pptp[1814] anon log[ctrlp_disp[:P]ptp_ctrl.c:739]: Received Start Control Connection Reply
notice Jun 13 23:18:10 pptp[1814] anon log[ctrlp_disp[:P]ptp_ctrl.c:773]: Client connection established.
info Jun 13 23:18:11 pppd[1787] set exit timer
info Jun 13 23:18:11 pppd[1787] Exit.
notice Jun 13 23:18:16 pptp[1814] anon log[ctrlp_rep[:P]ptp_ctrl.c:251]: Sent control packet type is 7 'Outgoing-Call-Request'
notice Jun 13 23:18:16 pptp[1814] anon log[ctrlp_disp[:P]ptp_ctrl.c:858]: Received Outgoing Call Reply.
notice Jun 13 23:18:16 pptp[1814] anon log[ctrlp_disp[:P]ptp_ctrl.c:897]: Outgoing call established (call ID 0, peer's call ID 22528).
notice Jun 13 23:18:16 pppd[1813] pppd 2.4.4 started by root, uid 0
info Jun 13 23:18:16 pppd[1813] Using interface ppp1
notice Jun 13 23:18:16 pppd[1813] Connect: ppp1 /dev/pts/3
and i get these messages in astaro's pptpd log:2012:06:13-23:42:10 fw pptpd[25681]: GRE: accepting packet #1144
2012:06:13-23:42:10 fw pptpd[25582]: MGR: Reaped child 29033
2012:06:13-23:42:10 fw pptpd[29033]: GRE: read(fd=6,buffer=805a540,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
2012:06:13-23:42:10 fw pptpd[29033]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
2012:06:13-23:42:10 fw pptpd[29033]: CTRL: Reaping child PPP[29035]
2012:06:13-23:42:10 fw pptpd[29033]: CTRL: Client 188.64.202.34 control connection finished
2012:06:13-23:42:10 fw pptpd[29033]: CTRL: Exiting now
2012:06:13-23:42:10 fw pppd-pptp[29035]: LCP: timeout sending Config-Requests
2012:06:13-23:42:10 fw pppd-pptp[29035]: Connection terminated.
2012:06:13-23:42:10 fw pppd-pptp[29035]: Modem hangup
2012:06:13-23:42:10 fw pppd-pptp[29035]: Exit.
the only way to fix this problem is to disable the vpn connection in the router for about 10-15, the enable it again.
is anybody familiar with these problems or might know how to fix them?
any help would be much appreciated! [;)]
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