[pptp-server] Argh! Please Help, Error 619, protocol 47 unreachable, gre/pty io errors.

[Deon George]

Hi,

I'm going nuts with one particular system that I want to get PPTP running
on. (I've installed PPTP on 3 other systems and have been able to use it
without problems. The only difference between this system and the other 3
is that IPSEC is installed - but even if IPSEC is not running, I still
have this problem)...

Anyway, here are my symptons (I've seen many other mailing list posting
with the same problems, but no solutions :-()

I'm using pptp-1.0.1-1, ppp-2.3.11-4_MPPE_MSCHAP2, kernel 2.2.19. I cant
remember where I got the ppp_mppe module patches, (but it works on the
other systems)...

On the Windows 2000 when I connect I get Error 619: Port is not connected.

In syslog on the PPTP server, I get the following:

Nov 25 02:35:28 router pptpd[2441]: CTRL: Client 203.164.71.121 control
connection started
Nov 25 02:35:31 router pptpd[2441]: CTRL: Received PPTP Control Message
(type: 1)
Nov 25 02:35:31 router pptpd[2441]: CTRL: Made a START CTRL CONN RPLY
packet
Nov 25 02:35:31 router pptpd[2441]: CTRL: I wrote 156 bytes to the client.
Nov 25 02:35:31 router pptpd[2441]: CTRL: Sent packet to client
Nov 25 02:35:31 router pptpd[2441]: CTRL: Received PPTP Control Message
(type: 7)
Nov 25 02:35:31 router pptpd[2441]: CTRL: Set parameters to 1525 maxbps,
64 window size
Nov 25 02:35:31 router pptpd[2441]: CTRL: Made a OUT CALL RPLY packet
Nov 25 02:35:31 router pptpd[2441]: CTRL: Starting call (launching pppd,
opening GRE)
Nov 25 02:35:31 router pptpd[2441]: CTRL: pty_fd = 5
Nov 25 02:35:31 router pptpd[2441]: CTRL: tty_fd = 6
Nov 25 02:35:31 router pptpd[2441]: CTRL: I wrote 32 bytes to the client.
Nov 25 02:35:31 router pptpd[2441]: CTRL: Sent packet to client
Nov 25 02:35:31 router pptpd[2442]: CTRL (PPPD Launcher): Connection speed
= 115200
Nov 25 02:35:31 router pptpd[2442]: CTRL (PPPD Launcher): local address =
10.2.1.1
Nov 25 02:35:31 router pptpd[2442]: CTRL (PPPD Launcher): remote address =
10.2.1.194
Nov 25 02:35:31 router pptpd[2441]: GRE:
read(fd=5,buffer=804d8c0,len=8196) from PTY failed: status = -1 error =
Input/output erro
r
Nov 25 02:35:31 router pptpd[2441]: CTRL: PTY read or GRE write failed
(pty,gre)=(5,6)
Nov 25 02:35:31 router pptpd[2441]: CTRL: Client 203.164.71.121 control
connection finished
Nov 25 02:35:31 router pptpd[2441]: CTRL: Exiting now

And if I do a TCPDUMP on the server, I can see I get an icmp: <IP>
Protocol 47 unreachable message. I dont get this message on the other
systems that I have configured and running.

I am NOT using any firewalling - so ipchains is not installed. No
masquerading.

Why is this particular machine not working? I've recompiled the kernel
(clean) twice still without any luck... :-(

Any tips greatfully appreciated... (Could you please CC my address - I
haven't subscribed to this mailing list...)

Thanks...

-- 
...deon
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 _--_|\   | Deon George <deon at wurley.net>
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