Hello!

I will be very glad if somebody helps me. I need to make network, where is PC with OPC server (Softnet-IE) is located in the internal network behind Scalance V602. I attached the picture of network topology.

The client will make request to the OPC from office network. So the request can be made even in internet explorer browser like http://IP:PORT, and in my case it must be like I understand http://192.168.155.31:9876 (192.168.155.31 - external IP of SCALANCE and 9876 - port of OPC). We cannot use internal network IP in request!
The question is simple how to do it? I guess I need to configure NAT table in SCALANCE, so if I navigate to external IP of SCALANCE (192.168.155.31) it must automatically reroute it to internal IP of PC: 172.222.2.100. Is it possible at all or I need to put OPC only before Scalance? If it possible, can anybody provide parameters that I need to adjust in Scalance or simple example project for Security Configuration Tool?

Thank you in advance!