[pptp-server] GRE Failures
Kenneth E. Lussier
klussier at mclinux.com
Thu Jun 1 15:27:03 CDT 2000
All,
I set up poptop on a server, but I can't connect to it using the Linux pptp
client ( I haven't had a chance to try a WinXX client yet). There is no
firewall between machines, and no ipchains rules on the poptop server.
TIA,
Kenny
Here is all of the info I can think of:
The Errors:
/var/log/pptp.log:
Jun 1 16:11:04 vpn pptpd[647]: MGR: Launching /usr/local/sbin/pptpctrl to
handle client
Jun 1 16:11:04 vpn pptpd[647]: CTRL: local address = 192.168.1.63
Jun 1 16:11:04 vpn pptpd[647]: CTRL: remote address = 192.168.1.2
Jun 1 16:11:04 vpn pptpd[647]: CTRL: pppd speed = 115200
Jun 1 16:11:04 vpn pptpd[647]: CTRL: Client 192.168.1.195 control connection
started
Jun 1 16:11:04 vpn pptpd[647]: CTRL: Received PPTP Control Message (type: 1)
Jun 1 16:11:04 vpn pptpd[647]: CTRL: Made a START CTRL CONN RPLY packet
Jun 1 16:11:04 vpn pptpd[647]: CTRL: I wrote 156 bytes to the client.
Jun 1 16:11:04 vpn pptpd[647]: CTRL: Sent packet to client
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Received PPTP Control Message (type: 7)
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Set parameters to 152 maxbps, 3 window
size
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Made a OUT CALL RPLY packet
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Starting call (launching pppd, opening
GRE)
Jun 1 16:11:05 vpn pptpd[647]: CTRL: pty_fd = 4
Jun 1 16:11:05 vpn pptpd[647]: CTRL: tty_fd = 5
Jun 1 16:11:05 vpn pptpd[647]: CTRL: I wrote 32 bytes to the client.
Jun 1 16:11:05 vpn pptpd[648]: CTRL (PPPD Launcher): Connection speed =
115200
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Sent packet to client
Jun 1 16:11:05 vpn pptpd[648]: CTRL (PPPD Launcher): local address =
192.168.1.63
Jun 1 16:11:05 vpn pptpd[648]: CTRL (PPPD Launcher): remote address =
192.168.1.2
Jun 1 16:11:05 vpn pptpd[647]: GRE: read(fd=4,buffer=804d7c0,len=8196) from
PTY failed: status = -1 error = Input/output error
Jun 1 16:11:05 vpn pptpd[647]: CTRL: PTY read or GRE write failed
(pty,gre)=(4,5)
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Client 192.168.1.195 control connection
finished
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Exiting now
Jun 1 16:11:05 vpn pptpd[494]: MGR: Reaped child 647
/var/log/messages:
Jun 1 16:11:04 vpn pptpd[647]: CTRL: Client 192.168.1.195 control connection
started
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Starting call (launching pppd, opening
GRE)
Jun 1 16:11:05 vpn pptpd[647]: GRE: read(fd=4,buffer=804d7c0,len=8196) from
PTY failed: status = -1 error = Input/output error
Jun 1 16:11:05 vpn pptpd[647]: CTRL: PTY read or GRE write failed
(pty,gre)=(4,5)
Jun 1 16:11:05 vpn pptpd[647]: CTRL: Client 192.168.1.195 control connection
finished
Jun 1 16:11:07 vpn kernel: ip_demasq_gre(): 192.168.1.195 -> 192.168.1.67
CID=0 no masq table, discarding
Jun 1 16:11:32 vpn last message repeated 9 times
Configs:
Server Side:
/etc/ppp/options:
lock
debug
auth
proxyarp
+chap
+chapms
+chapms-v2
no-mppe-40
mppe-128
mppe-stateless
/etc/pptp.conf
speed 115200
debug
localip 192.168.1.63
remote 192.168.1.66-69
listen 192.168.1.67
Client Side:
/etc/ppp/options:
lock
debug
noauth
+chap
+chapms
+chapms-v2
mppe-40
mppe-128
mppe-stateless
--
Kenny Lussier
Systems Administrator
Mission Critical Linux
******************************
If at first you don't succeed,
destroy all evidence that you
tried
******************************
More information about the pptp-server
mailing list