RB750G Forward Port

/ip firewall nat
add action=dst-nat chain=dstnat comment="" disabled=no dst-port=54434 \
    protocol=tcp to-addresses=192.168.0.109 to-ports=54434
add action=dst-nat chain=dstnat comment="" disabled=no dst-port=54434 \
    protocol=udp to-addresses=192.168.0.109 to-ports=54434