In Firewall > NAT > Outbound, make sure the NAt more is Hybrid Outbound NAT rule generation

Next, create a NAT rule for the IP you want to have a Type 2 NAT. It is important here that Static Port be checked.

In Firewall > NAT > Outbound, make sure the NAt more is Hybrid Outbound NAT rule generation
Next, create a NAT rule for the IP you want to have a Type 2 NAT. It is important here that Static Port be checked.