MikroTik and Fortigate PPTP incompatibility [solved]

My problem is clearly visible in log below:


21:52:16 pptp,ppp,debug,packet pptp-out1: rcvd IPCP ConfReq id=0x1
21:52:16 pptp,ppp,debug,packet <addr 192.168.196.10>
21:52:16 pptp,ppp,debug,packet <comp VJ f 1>
21:52:16 pptp,ppp,debug,packet <ms-dns 0.0.0.0>
21:52:16 pptp,ppp,debug,packet <ms-dns 0.0.0.0>
21:52:16 pptp,ppp,debug pptp-out1: IPCP received packet in initial state
21:52:16 pptp,ppp,debug,packet pptp-out1: rcvd CCP ConfReq id=0x1
21:52:16 pptp,ppp,debug,packet <deflate 17 method 7>
21:52:16 pptp,ppp,debug,packet <deflate (old) 17 method 7>
21:52:16 pptp,ppp,debug,packet <mppe 10000e1>
21:52:16 pptp,ppp,debug,packet <0x15 03 2f>
21:52:16 pptp,ppp,debug pptp-out1: CCP received packet in initial state
21:52:18 pptp,ppp,debug,packet pptp-out1: rcvd LCP EchoReq id=0x1
21:52:18 pptp,ppp,debug,packet <magic 0xb7a92743>
21:52:18 pptp,ppp,debug,packet pptp-out1: sent LCP EchoRep id=0x1
21:52:18 pptp,ppp,debug,packet <magic 0x46f34954>
21:52:19 pptp,ppp,debug,packet pptp-out1: sent CHAP Response id=0x1
21:52:19 pptp,ppp,debug,packet
21:52:19 pptp,ppp,debug,packet
21:52:19 pptp,ppp,debug,packet pptp-out1: rcvd CHAP Success id=0x1
21:52:19 pptp,ppp,debug,packet Welcome to fg-complex.
21:52:19 pptp,ppp,error wrong MS-CHAPv2 response from peer

21:52:19 pptp,ppp,debug,packet pptp-out1: rcvd IPCP ConfReq id=0x1
21:52:19 pptp,ppp,debug,packet <addr 192.168.196.10>
21:52:19 pptp,ppp,debug,packet <comp VJ f 1>
21:52:19 pptp,ppp,debug,packet <ms-dns 0.0.0.0>
21:52:19 pptp,ppp,debug,packet <ms-dns 0.0.0.0>
21:52:19 pptp,ppp,debug pptp-out1: IPCP received packet in initial state
21:52:19 pptp,ppp,debug,packet pptp-out1: rcvd CCP ConfReq id=0x1
21:52:19 pptp,ppp,debug,packet <deflate 17 method 7>
21:52:19 pptp,ppp,debug,packet <deflate (old) 17 method 7>
21:52:19 pptp,ppp,debug,packet <mppe 10000e1>
21:52:19 pptp,ppp,debug,packet <0x15 03 2f>
21:52:19 pptp,ppp,debug pptp-out1: CCP received packet in initial state
21:52:22 pptp,ppp,debug,packet pptp-out1: sent CHAP Response id=0x1
21:52:22 pptp,ppp,debug,packet
21:52:22 pptp,ppp,debug,packet
21:52:22 pptp,ppp,debug,packet pptp-out1: rcvd CHAP Success id=0x1
21:52:22 pptp,ppp,debug,packet Welcome to fg-complex.
21:52:22 pptp,ppp,error wrong MS-CHAPv2 response from peer

In this fragment Fortigate sends a “welcome message” and MikroTik says it’s wrong - authentication cannot be completed and this is repeating endless. Fortigate is PPTP server and MT is a client. Is Fortigate sending wrong message or MikroTik is too sensitive?

RouterOS v6.9 solves the problem. Thanks MT for new PPP package. :slight_smile: