SXT + PPPoE - DMZ or internal IP

Hi,

I have SXT which gets all settings through PPPoE.
To this SXT public IP address is assigned. When I put this address into HTTP I see RouterOS login.
SXT is connected to router. I would like to redirect public ip from SXT to Router. How i can do it?
IP addresses below:

https://www.dropbox.com/s/x0cqhsmlb4yfi8x/sxt.PNG

Thanks in advance for help!

You need to make one netmask on firewall / NAT from to

Hi rextended,

Could you tell me step by step how to do it?
Thanks!

This will help you http://wiki.mikrotik.com/wiki/Manual:IP/Firewall/NAT please read 1:1 mapping,

cetalfio