port forwarding

RouterOS General
1

I need your advice about forwarding range of port to local sub net like
192.168.1.1/24 ports like 300 to 600

I made this NAT but its can forward port to one IP like the below
1.2.3.4 public IP
10.4.0.245 local network
add action=dst-nat chain=dstnat disabled=no dst-address=1.2.3.4 dst-port=810 protocol=tcp to-addresses=10.4.0.245 to-ports=810

2

you can set a range or subnet like
to-addresses=192.168.88.10-192.168.88.20

3

dears

I tried to write the rule like the below
add action=dst-nat chain=dstnat disabled=no dst-address=1.2.3.4 dst-port=800-4000
protocol=tcp to-addresses=10.4.0.0/24 to-ports=800-4000

but its doesn’t work my question if there is a rule can forward range of ports to range of IPs

Regards