Mikrotik PREROUTING

How make in MKROTIK PREROUTING.

It’s working in Linux Debian
/sbin/iptables -t nat -I PREROUTING -s XXX.XXX.XXX.XXX -p TCP --dport 80 -j DNAT --to YYY.YYY.YYY.YYY:3001

XXX.XXX.XXX.XXX - address in local network
YYY.YYY.YYY.YYY - address in local network

PLEASE reread the string you put as an example…
You do not do the PREROUTING - it is just a place where you put something. The thing you add there is DNAT, which is called dst-nat in Mikrotik RouterOS