[pptp-server] pptp still not working

Kenneth E. Lussier kenlussier at mediaone.net
Mon Jun 19 17:54:04 CDT 2000


After looking at your post, there could be several problems. The first
thing that I noticed is that in the Win98 Config you're specifying that
the client should use an IP address that is reserved in the pptpd.conf
as a local IP. Since you have pptpd set to assign IP addresses to
clients, set the client to obtain all info from the server and add your
dns server, wins server,etc., in the /etc/ppp/options file. 
As for the LCP timeout problem, that's usually caused when the client
can connect to the server, but the return traffic can't find it's way
back to the client. The server sends out the auth request and never gets
a response. Does the router know how to pass packets between the
subnets? Does the Linux box have routing enabled and set up to route
between all subnets correctly? Check out the link below for some
pointers on the config files.
Kenny

http://lists.schulte.org/pipermail/pptp-server/2000-February/001706.html

S.Ecker wrote:
> 
> Ok, I spent this weekend locked in a room trying to
> get this to work.  I have two systems set up.  One
> works and the other doesn't.  The one which works is a
> win98 box and a linux box on the same subnet with no
> routers in between.  I can connect like a champ, no
> errors.  As soon as I put a router between them (even
> with all tcp & udp ports open) I get the following
> error in /var/log/messages:
> 
> Jun 19 10:15:55 mail pptpd[1839]: CTRL: Client
> xx.xx.xx.xx control connection started
> Jun 19 10:15:56 mail pptpd[1839]: CTRL: Starting call
> (launching pppd, opening GRE)
> Jun 19 10:15:56 mail pppd[1840]: pppd 2.3.11 started
> by root, uid 0
> Jun 19 10:15:56 mail pppd[1840]: Using interface ppp0
> Jun 19 10:15:56 mail pppd[1840]: Connect: ppp0 <-->
> /dev/pts/2
> Jun 19 10:16:26 mail pppd[1840]: LCP: timeout sending
> Config-Requests
> Jun 19 10:16:26 mail pppd[1840]: Connection
> terminated.
> Jun 19 10:16:26 mail pppd[1840]: Exit.
> Jun 19 10:16:26 mail pptpd[1839]: GRE:
> read(fd=4,buffer=804d7e0,len=8196) from PTY failed:
> status = -1 error = Input/output error
> Jun 19 10:16:26 mail pptpd[1839]: CTRL: PTY read or
> GRE write failed (pty,gre)=(4,5)
> Jun 19 10:16:26 mail pptpd[1839]: CTRL: Client
> xx.xx.xx.xx control connection finished
> 
> Is there a problem routing between different networks
> with this setup or am I missing some crucial piece of
> information here?  I've posted to my setup this
> weekend so you can refer to that post at
> http://lists.schulte.org/pipermail/pptp-server/2000-June/002548.html
> .
> 
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