PPTPServer
From MikroTik Wiki
A minimalistic HowTo for using a MT Router OS as PPTP-Server, based on 2.9.x. Use it on your own risk.
I use bridge-groups as they are always up and one can add physical interfaces later. The arp=proxy-arp is important.
/ interface ethernet
set ether1 name="ether1"
/ interface bridge
add name="lan" arp=proxy-arp
/ interface bridge port
add interface=ether1 bridge=lan
/ interface pptp-server server
set enabled=yes max-mtu=1460 max-mru=1460 authentication=chap,mschap1,mschap2 keepalive-timeout=60 \
default-profile=ppp-dial-in
/ ip address
add address=192.168.0.1/24 interface=lan
/ ip dns
allow-remote-requests=yes
/ ip firewall service-port
set gre disabled=no
set pptp disabled=no
/ ip pool
add name="pptp" ranges=192.168.0.200-192.168.255.229
/ ppp profile add name="ppp-dial-in" local-address=192.168.0.1 remote-address=pptp use-encryption=required only-one=yes change-tcp-mss=yes dns-server=192.168.0.1
/ ppp secret
add name="user-1" service=pptp caller-id="" password="******" profile=ppp-dial-in
add name="user-2" service=pptp caller-id="" password="******" profile=ppp-dial-in
# ...