Все конфиги и проблема выше 😂🤣😂
Попробуй этот, для моих скромных задач и тестов работает....
/ip pool add name="L2TP/PPTP-pool[172.16.99.0/24]" ranges=172.16.99.10-172.16.99.200
/ppp profile add change-tcp-mss=yes local-address=172.16.99.1 name=L2TP-profile only-one=no remote-address="L2TP/PPTP-pool[172.16.99.0/24]" use-compression=yes use-encryption=yes use-ipv6=no use-mpls=no use-upnp=no
/interface l2tp-server server set authentication=mschap2 default-profile=L2TP-profile ipsec-secret=ipsecSecret one-session-per-host=yes use-ipsec=yes
/ip firewall filter add action=accept chain=input comment="Allow L2TP" disabled=yes in-interface-list=WAN protocol=ipsec-esp
/ip firewall filter add action=accept chain=input comment="Allow L2TP" disabled=yes dst-port=500,1701,4500 in-interface-list=WAN protocol=udp