[afnog] VPN client failing to connect

Eddy Kayihura M. ekayihura at rwandatel.rw
Mon Dec 15 08:19:10 UTC 2008


Hi Shepherd,

Is the 196.44.xx.40 the first IP that this 172.17.102.145 is reaching on 
the Mikrotik?

If not then try to use the first IP of the mikrotik that they reach for 
the VPN connection.

Cheers

Eddy


Shepherd Magumo wrote:
> Good day,
>
> We are running a Mikrotik VPN server on our network which is behind a 
> NAT. From the internet through the public IP 196.xx.xx.40, some 
> networks can connect to the VPN server without a problem but this one 
> network with log captured below just cannot connect.
> Inorder to troubleshoot further I enabled debug and captured the log 
> below. I was hoping for I will easily figure out but no joy at all.
> Please help.
>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,info TCP connection established from 
> 196.44.xx.xx
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,info <pptp-0>: waiting for call...
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet rcvd 
> Start-Control-Connection-Request from 196.44.xx.xx
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     protocol-version=0x0100
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     framing-capabilities=1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     bearer-capabilities=1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     maximum-channels=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     firmware-revision=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     host-name=
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     vendor-name=Microsoft
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet sent 
> Start-Control-Connection-Reply to 196.44.xx.xx
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     protocol-version=0x0100
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     result-code=1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     error-code=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     framing-capabilities=2
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     bearer-capabilities=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     maximum-channels=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     firmware-revision=1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     host-name=Christo 
> Plaatjies
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     vendor-name=MikroTik
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet rcvd 
> Outgoing-Call-Request from 196.44.xx.xx
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     call-id=18572
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     call-serial-number=6
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     minimum-bps=300
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     maximum-bps=100000000
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     bearer-type=3
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     framing-type=3
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     
> packet-recv-window-size=64
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     packet-processing-delay=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     phone-number-length=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     phone-number=
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     subaddress=
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug <196.44.xx.xx>: LCP lowerup
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug <196.44.xx.xx>: LCP open
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet sent Outgoing-Call-Reply 
> to 196.44.xx.xx
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     call-id=30
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     peers-call-id=18572
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     result-code=1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     error-code=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     cause-code=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     connect-speed=100000
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     
> packet-recv-window-size=100
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     packet-processing-delay=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     physical-channel-id=0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet  <196.44.xx.xx>: rcvd 
> LCP ConfReq id=0x0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <mru 1400>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <magic 0x318e2e1b>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <pcomp>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <accomp>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <callback 0x06>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet  <196.44.xx.xx>: sent 
> LCP ConfReq id=0x1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <mru 1460>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <magic 0x195f3516>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <auth  mschap2>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet  <196.44.xx.xx>: sent 
> LCP ConfRej id=0x0
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <pcomp>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <accomp>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet rcvd Set-Link-Info from 
> 196.44.xx.xx
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     peers-call-id=30
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     send-accm=0xffffffff
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     receive-accm=0xffffffff
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet sent Set-Link-Info to 
> 196.44.xx.xx
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     peers-call-id=18572
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     send-accm=0xffffffff
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,debug,packet     receive-accm=0xffffffff
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet  <196.44.xx.xx>: rcvd 
> LCP ConfAck id=0x1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <mru 1460>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <magic 0x195f3516>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <auth  mschap2>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet  <196.44.xx.xx>: rcvd 
> LCP ConfReq id=0x1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <mru 1400>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <magic 0x318e2e1b>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <callback 0x06>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet  <196.44.xx.xx>: sent 
> LCP ConfAck id=0x1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <mru 1400>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <magic 0x318e2e1b>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet    <callback 0x06>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug <196.44.xx.xx>: LCP opened
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet  <196.44.xx.xx>: sent 
> CHAP Challenge id=0x1
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet     <challenge len=10>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug,packet     <name Christo 
> Plaatjies>
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug <196.44.xx.xx>: LCP lowerdown
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug <196.44.xx.xx>: LCP closed
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,info <pptp-0>: terminating... - 
> disconnected
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug <196.44.xx.xx>: LCP lowerdown
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,debug <196.44.xx.xx>: LCP down 
> event in starting state
> 2008-12-12 15:54:23    Local7.Debug    172.17.102.145 
> <http://172.17.102.145>    pptp,ppp,info <pptp-0>: disconnected
>
>
> regards,
>
> Shepherd
> ------------------------------------------------------------------------
>
> _______________________________________________
> afnog mailing list
> http://afnog.org/mailman/listinfo/afnog


-- 
Regards,

Eddy

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