I was trying to establish VPN connection between Microsoft windows and a MT router. my computer is behind a MT router as well. the scenario as follow:
VPN Client pc ->MT1->INTERNET<-MT2(VPN PPTP Server)
the connection drop while trying to verify username and password and it gives ERROR 619
the Debug on the MT PPTP server as follow:
echo: pptp,info TCP connection established from 213.210.XX.XX
echo: pptp,ppp,debug <213.210.XX.XX>: PPP started
echo: pptp,ppp,info <pptp-0>: waiting for call...
echo: pptp,debug,packet host-name=
echo: pptp,debug,packet vendor-name=Microsoft Windows NT
echo: pptp,debug,packet sent Start-Control-Connection-Reply to 213.210.XX.XX
echo: pptp,debug,packet protocol-version=0x0100
echo: pptp,debug,packet result-code=1
echo: pptp,debug,packet error-code=0
echo: pptp,debug,packet framing-capabilities=2
echo: pptp,debug,packet bearer-capabilities=0
echo: pptp,debug,packet maximum-channels=0
echo: pptp,debug,packet firmware-revision=1
echo: pptp,debug,packet host-name=Airport
echo: pptp,debug,packet vendor-name=MikroTik
echo: pptp,ppp,debug <213.210.XX.XX>: LCP lowerup
echo: pptp,ppp,debug <213.210.XX.XX>: LCP open
echo: pptp,debug,packet sent Outgoing-Call-Reply to 213.210.XX.XX
echo: pptp,debug,packet call-id=121
echo: pptp,debug,packet peers-call-id=256
echo: pptp,debug,packet result-code=1
echo: pptp,debug,packet error-code=0
echo: pptp,debug,packet cause-code=0
echo: pptp,debug,packet connect-speed=100000
echo: pptp,debug,packet packet-recv-window-size=100
echo: pptp,debug,packet packet-processing-delay=0
echo: pptp,debug,packet physical-channel-id=0
echo: pptp,ppp,debug <213.210.XX.XX>: LCP timer
echo: pptp,ppp,debug,packet <213.210.XX.XX>: sent LCP ConfReq id=0x1
echo: pptp,ppp,debug,packet <mru 1460>
echo: pptp,ppp,debug,packet <magic 0x27514ade>
echo: pptp,ppp,debug,packet <auth mschap2>
[admin@Airport] >
echo: pptp,ppp,debug <213.210.XX.XX>: LCP timer
echo: pptp,ppp,debug,packet <213.210.XX.XX>: sent LCP ConfReq id=0x2
echo: pptp,ppp,debug,packet <mru 1460>
echo: pptp,ppp,debug,packet <magic 0x27514ade>
echo: pptp,ppp,debug,packet <auth mschap2>
echo: pptp,debug,packet peers-call-id=121
echo: pptp,debug,packet send-accm=0xffffffff
echo: pptp,debug,packet receive-accm=0xffffffff
echo: pptp,debug,packet sent Set-Link-Info to 213.210.XX.XX
echo: pptp,debug,packet peers-call-id=256
echo: pptp,debug,packet send-accm=0xffffffff
echo: pptp,debug,packet receive-accm=0xffffffff
echo: pptp,ppp,debug <213.210.XX.XX>: LCP timer
echo: pptp,ppp,debug,packet <213.210.XX.XX>: sent LCP ConfReq id=0x3
echo: pptp,ppp,debug,packet <mru 1460>
echo: pptp,ppp,debug,packet <magic 0x27514ade>
echo: pptp,ppp,debug,packet <auth mschap2>
echo: pptp,ppp,debug <213.210.XX.XX>: LCP timer
echo: pptp,ppp,debug <213.210.XX.XX>: LCP timeout sending ConfReq
echo: pptp,ppp,debug <213.210.XX.XX>: LCP lowerdown
echo: pptp,ppp,info <pptp-0>: terminating...
echo: pptp,ppp,debug <213.210.XX.XX>: PPP disconnected <>
echo: pptp,ppp,debug <213.210.XX.XX>: PPP destroy
echo: pptp,ppp,debug <213.210.XX.XX>: PPP stopped
echo: pptp,ppp,info <pptp-0>: disconnected
echo: pptp,ppp,debug <213.210.XX.XX>: CCP lowerdown
echo: pptp,ppp,debug <213.210.XX.XX>: CCP down event in initial state
echo: pptp,ppp,debug <213.210.XX.XX>: IPCP lowerdown
echo: pptp,ppp,debug <213.210.XX.XX>: IPCP down event in initial state
then i tried to crate a VPN tunnel between the MT1 and MT2 also connection could not be established!
known that there is no Filter policy. and i am using masquerade. and i have enabled PPTP and GRE inside /ip firewall service-ports
also it is important to know that the connection is working if i use a computer not behind a MT router. so i dont know why MT is not passing GRE
any ideas?