[pptp-server] Lost with pppoe and pptpd

[George Vieira]

It's not really a conflict but it's the Unix version of Windows "Use remote
Default Gateway"....

In the /etc/ppp/options.pptp use

nodefaultroute

this should help with your problem...

-----Original Message-----
From: Georg Altmann [mailto:george at george-net.de]
Sent: Thursday, August 16, 2001 3:56 AM
To: pptp-server at lists.schulte.org
Subject: [pptp-server] Lost with pppoe and pptpd


Hi everybody,

It took me some time to find out that pptpd is conflicting with pppoe.

Here is what I did so far:
Recompile+install Kernel 2.4.7 with IP GRE and PPP support with
linux-2.4.4-openssl-0.9.6a-mppe.patch.gz,
compile+install ppp-2.4.1 with ppp-2.4.1-MSCHAPv2-fix.patch.gz and
ppp-2.4.1-openssl-0.9.6-mppe-patch.gz,
compile+install pptpd-1.0.1
modify syslog.conf

I'm trying to connect a W2k roadwarrior (myself ;) to my linux box which is
also the router with pppoe running.
When I shut down pppoe and then fire up pptpd everything works fine.

With pppoe running the log looks like this:
Aug 15 19:44:05 router pptpd[1239]: MGR: Manager process started
Aug 15 19:44:10 router pptpd[1240]: MGR: Launching /usr/sbin/pptpctrl to
handle client
Aug 15 19:44:10 router pptpd[1240]: CTRL: local address = 192.168.0.10
Aug 15 19:44:10 router pptpd[1240]: CTRL: remote address = 192.168.0.30
Aug 15 19:44:10 router pptpd[1240]: CTRL: pppd speed = 115200
Aug 15 19:44:10 router pptpd[1240]: CTRL: pppd options file =
/etc/ppp/pptp-options
Aug 15 19:44:10 router pptpd[1240]: CTRL: Client 192.168.0.51 control
connection started
Aug 15 19:44:10 router pptpd[1240]: CTRL: Received PPTP Control Message
(type: 1)
Aug 15 19:44:10 router pptpd[1240]: CTRL: Made a START CTRL CONN RPLY packet
Aug 15 19:44:10 router pptpd[1240]: CTRL: I wrote 156 bytes to the client.
Aug 15 19:44:10 router pptpd[1240]: CTRL: Sent packet to client
Aug 15 19:44:12 router pptpd[1240]: CTRL: Received PPTP Control Message
(type: 7)
Aug 15 19:44:12 router pptpd[1240]: CTRL: Set parameters to 1525 maxbps, 64
window size
Aug 15 19:44:12 router pptpd[1240]: CTRL: Made a OUT CALL RPLY packet
Aug 15 19:44:12 router pptpd[1240]: CTRL: Starting call (launching pppd,
opening GRE)
Aug 15 19:44:12 router pptpd[1240]: CTRL: pty_fd = 5
Aug 15 19:44:12 router pptpd[1240]: CTRL: tty_fd = 6
Aug 15 19:44:12 router pptpd[1240]: CTRL: I wrote 32 bytes to the client.
Aug 15 19:44:12 router pptpd[1241]: CTRL (PPPD Launcher): Connection speed =
115200
Aug 15 19:44:12 router pptpd[1240]: CTRL: Sent packet to client
Aug 15 19:44:12 router pptpd[1241]: CTRL (PPPD Launcher): local address =
192.168.0.10
Aug 15 19:44:12 router pptpd[1241]: CTRL (PPPD Launcher): remote address =
192.168.0.30
Aug 15 19:44:12 router pptpd[1240]: CTRL: Received PPTP Control Message
(type: 15)
Aug 15 19:44:12 router pptpd[1240]: CTRL: Got a SET LINK INFO packet with
standard ACCMs
Aug 15 19:44:12 router pppd[1241]: pppd 2.4.1 started by root, uid 0
Aug 15 19:44:12 router pppd[1241]: Using interface ppp1
Aug 15 19:44:12 router pppd[1241]: not replacing existing default route to
ppp0 [217.5.98.8]
Aug 15 19:44:12 router pppd[1241]: found interface eth0 for proxy arp
Aug 15 19:44:12 router pppd[1241]: local  IP address 192.168.0.10
Aug 15 19:44:12 router pppd[1241]: remote IP address 192.168.0.30
Aug 15 19:44:49 router pptpd[1240]: CTRL: Received PPTP Control Message
(type: 12)
Aug 15 19:44:49 router pptpd[1240]: CTRL: Made a CALL DISCONNECT RPLY packet
Aug 15 19:44:49 router pptpd[1240]: CTRL: Received CALL CLR request (closing
call)
Aug 15 19:44:49 router pptpd[1240]: CTRL: I wrote 148 bytes to the client.
Aug 15 19:44:49 router pptpd[1240]: CTRL: Sent packet to client
Aug 15 19:44:49 router pptpd[1240]: CTRL: Error with select(), quitting
Aug 15 19:44:49 router pptpd[1240]: CTRL: Client 192.168.0.51 control
connection finished
Aug 15 19:44:49 router pptpd[1240]: CTRL: Exiting now
Aug 15 19:44:49 router pptpd[1239]: MGR: Reaped child 1240

Is there anybody who got pppd running with pppoe?
Could someone explain where the conflict between pppoe and pptpd is located?
Is it that there may only be one instance of pppd running?

The problem for me is, that I need this fixed until friday because I will
travel to USA, and that's actually why I'm trying setting this up... ;)
Thanks for any hint!

Regards,
Georg

<CONFIG>

my options file (actually /etc/ppp/pptp-options):
debug
lock
mtu 1490
mru 1490
name router
auth
+chap
+chapms
+chapms-v2
mppe-40
mppe-128
mppe-stateless
ipcp-accept-local
ipcp-accept-remote
lcp-echo-failure 3
lcp-echo-interval 5
deflate 0
#require-chap
proxyarp

my pptpd.conf:
speed 115200
option /etc/ppp/pptp-options
debug
localip 192.168.0.10 #eth0 local net
remoteip 192.168.0.30-40
#listen 192.168.0.10
pidfile /var/run/pptpd.pid

chap-secrets:
georg   router  georg   *


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