Arch Linux

axe

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Registered: 2014-07-24

Posts: 1

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pptp connection error : Could not launch call manager after 3 tries

the pptpd server is an archlinux server at linode.
I connect to it with networkmanager and got following log:

    pptp[9079]: nm-pptp-service-8955 log[main:pptp.c:333]: The synchronous pptp option is NOT activated
    NetworkManager[251]: Plugin /usr/lib/pppd/2.4.6/nm-pptp-pppd-plugin.so loaded.
    NetworkManager[251]: Using interface ppp0
    NetworkManager[251]: Connect: ppp0 <--> /dev/pts/3
    pptp[9086]: nm-pptp-service-8955 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 1 'Start-Control-Connection-Request'
    pptp[9090]: nm-pptp-service-8955 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 1 'Start-Control-Connection-Request'
    pptp[9094]: nm-pptp-service-8955 log[ctrlp_rep:pptp_ctrl.c:258]: Sent control packet type is 1 'Start-Control-Connection-Request'
    NetworkManager[251]: nm-pptp-service-8955 fatal[open_callmgr:pptp.c:509]: Could not launch call manager after 3 tries.
    pppd[9078]: Modem hangup
    pppd[9078]: Connection terminated.
    NetworkManager[251]: <warn> VPN plugin failed: 1
    NetworkManager[251]: Modem hangup
    NetworkManager[251]: Connection terminated.

then I checked the log on the server, it told me that reply was sent out 3 times, here is log:

    pptpd[3554]: CTRL: Received PPTP Control Message (type: 1)
    pptpd[3554]: CTRL: Made a START CTRL CONN RPLY packet
    pptpd[3554]: CTRL: I wrote 156 bytes to the client.
    pptpd[3554]: CTRL: Sent packet to client
    pptpd[3550]: CTRL: Sending ECHO REQ id 1
    pptpd[3550]: CTRL: Made a ECHO REQ packet
    pptpd[3550]: CTRL: I wrote 16 bytes to the client.
    pptpd[3550]: CTRL: Sent packet to client
    pptpd[3553]: CTRL: Sending ECHO REQ id 1
    pptpd[3553]: CTRL: Made a ECHO REQ packet
    pptpd[3553]: CTRL: I wrote 16 bytes to the client.
    pptpd[3553]: CTRL: Sent packet to client
    pptpd[3554]: CTRL: Sending ECHO REQ id 1
    pptpd[3554]: CTRL: Made a ECHO REQ packet
    pptpd[3554]: CTRL: I wrote 16 bytes to the client.
    pptpd[3554]: CTRL: Sent packet to client
    pptpd[2678]: MGR: Reaped child 3550
    pptpd[2678]: MGR: Reaped child 3553
    pptpd[2678]: MGR: Reaped child 3554

I can ssh login to the pptp server and the 1723 port is opened by pptpd.
I am able to connect to other pptp servers, so it may not be my ISP's problem.
I also set mppe128 and mschap-v2 in accord with the pptp server configuration.

I am confused what's wrong with the connection.
waiting for your help!
thanks.