NAT agar client mikrotik bisa create DOTA

/ip firewall nat
add chain=dstnat action=dst-nat to-addresses=[ip-client] to-ports=6113 dst-address=[ip-public] dst-port=6113 protocol=tcp

add chain=dstnat action=dst-nat to-addresses=[ip-client] to-ports=6113 dst-address=[ip-public] dst-port=6113 protocol=udp

Cukup 2 rule ajah 1 lan dijamin bisa join :D