pptpd - port 1723 - gre

[Starter]

Hallo alle zusammen,
ich bin gerade dabei einen VPN Server mit „pptpd“ aufzusetzen. Bis jetzt habe ich die „pptpd.conf“ konfiguriert und die ppp Options gesetzt. Ferner in der SuSEfirewall2 den Port 1723 freigegeben, sowie FW_SERVICES_EXT_IP="47" gesetzt..
Der VPN Server läuft und ich kann von außen konnektieren. Ich sehe also daß eine Verbindung da ist. Ich kann nur keine Daten übertragen, sprich kein Ping kein Garnichts. Nachfolgend noch eine Auszug vom Verbindungsstart und Verbindungsende.

Verbindungsstart:
Sep 14 11:58:34 mail pptpd[7077]: MGR: Launching /usr/sbin/pptpctrl to handle client
Sep 14 11:58:34 mail pptpd[7077]: CTRL: local address = 10.0.211.235
Sep 14 11:58:34 mail pptpd[7077]: CTRL: remote address = 10.0.0.1
Sep 14 11:58:34 mail pptpd[7077]: CTRL: pppd speed = 115200
Sep 14 11:58:34 mail pptpd[7077]: CTRL: pppd options file = /etc/ppp/options.ppp0
Sep 14 11:58:34 mail pptpd[7077]: CTRL: Client XXX.XXX.XXX,XXX control connection started
Sep 14 11:58:34 mail pptpd[7077]: CTRL: Received PPTP Control Message (type: 1)
Sep 14 11:58:34 mail pptpd[7077]: CTRL: Made a START CTRL CONN RPLY packet
Sep 14 11:58:34 mail pptpd[7077]: CTRL: I wrote 156 bytes to the client.
Sep 14 11:58:34 mail pptpd[7077]: CTRL: Sent packet to client
Sep 14 11:58:34 mail pptpd[7077]: CTRL: Received PPTP Control Message (type: 7)
Sep 14 11:58:34 mail pptpd[7077]: CTRL: 0 min_bps, 1525 max_bps, 32 window size
Sep 14 11:58:34 mail pptpd[7077]: CTRL: Made a OUT CALL RPLY packet
Sep 14 11:58:34 mail pptpd[7077]: CTRL: Starting call (launching pppd, opening GRE)
Sep 14 11:58:34 mail pptpd[7077]: CTRL: pty_fd = 5
Sep 14 11:58:34 mail pptpd[7077]: CTRL: tty_fd = 6
Sep 14 11:58:34 mail pptpd[7078]: CTRL (PPPD Launcher): Connection speed = 115200
Sep 14 11:58:34 mail pptpd[7078]: CTRL (PPPD Launcher): local address = 10.0.211.235
Sep 14 11:58:34 mail pptpd[7078]: CTRL (PPPD Launcher): remote address = 10.0.0.1
Sep 14 11:58:35 mail pptpd[7077]: CTRL: I wrote 32 bytes to the client.
Sep 14 11:58:35 mail pptpd[7077]: CTRL: Sent packet to client
Sep 14 11:58:35 mail pppd[7078]: pppd 2.4.1 started by root, uid 0
Sep 14 11:58:35 mail pppd[7078]: using channel 3
Sep 14 11:58:35 mail pppd[7078]: Using interface ppp0
Sep 14 11:58:35 mail pppd[7078]: Connect: ppp0 <--> /dev/pts/1
Sep 14 11:58:35 mail pppd[7078]: sent [LCP ConfReq id=0x1 <mru 1492> <asyncmap 0x0> <auth chap 81> <magic 0x40df2d5c> <pcomp> <accomp>]
Sep 14 11:58:35 mail pptpd[7077]: CTRL: Received PPTP Control Message (type: 15)
Sep 14 11:58:35 mail pptpd[7077]: CTRL: Got a SET LINK INFO packet with standard ACCMs
Sep 14 11:58:35 mail pppd[7078]: rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 0x2d497c83> <pcomp> <accomp> <callback CBCP> <mrru 1614> <endpoint [local:2b.42.8b.56.5c.bd.48.8b.a5.8c.3e.73.d1.f5.46 .b9.00.00.00.2c]>]
Sep 14 11:58:35 mail pppd[7078]: sent [LCP ConfRej id=0x0 <mrru 1614>]

Verbindungsende:
Sep 14 12:01:23 mail pppd[7078]: Modem hangup
Sep 14 12:01:23 mail pppd[7078]: Connection terminated.
Sep 14 12:01:23 mail pppd[7078]: Connect time 2.8 minutes.
Sep 14 12:01:23 mail pppd[7078]: Sent 141 bytes, received 7463 bytes.
Sep 14 12:01:23 mail pppd[7078]: Waiting for 1 child processes...
Sep 14 12:01:23 mail pppd[7078]: script /etc/ppp/ip-down, pid 7602
Sep 14 12:01:23 mail pptpd[7077]: GRE: read error: Bad file descriptor
Sep 14 12:01:23 mail pptpd[7077]: CTRL: PTY read or GRE write failed (pty,gre)=(-1,-1)
Sep 14 12:01:23 mail pptpd[7077]: CTRL: Client XXX.XXX.XXX.XXX control connection finished
Sep 14 12:01:23 mail pptpd[7077]: CTRL: Exiting now
Sep 14 12:01:23 mail pptpd[1282]: MGR: Reaped child 7077
Sep 14 12:01:25 mail pppd[7078]: Script /etc/ppp/ip-down finished (pid 7602), status = 0x0
Sep 14 12:01:25 mail pppd[7078]: Exit.

Hat jemand eine Idee, wo ich da was falsch mache?

bye