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Hi,

I wanna make simply port forwarding as attachment:

PC is connected to WAN port in RUT300 and PLC is connected to LAN port in RUT300

I try many solutions:
https://community.teltonika-networks.com/49007/rut300-can-do-two-way-nat?show=49007#q49007

https://community.teltonika-networks.com/40852/how-make-nat-table-for-translate-ip-in-lan-to-ip-wan-whit-rut300?show=40852#q40852

I want do this for Modbus TCP (at PC is client, at PLC server).

1 Answer

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Hello,

Thank you for contacting Teltonika Crowd Support.

For port forwarding kindly check the following link, https://wiki.teltonika-networks.com/wikibase/index.php?title=RUT300_Firewall&mobileaction=toggle_view_desktop#Port_Forwards

For Data to server kindly check the following link https://wiki.teltonika-networks.com/view/RUT300_Data_to_Server

For more technical support, kindly revert.

Regards,

Shadrack.

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Yes, i read this manual and try exactly like there but no result.

by
For the port forwarding to work, the router's WAN interface must have a public IP address, which in your case belongs to a private pool, thus, unfortunately, port forwarding will not work.
by
Ok, so there is some else option to use RUT300 for my task? Maybe NAT, but also this configuration i tried with no result.

I read this post: https://community.teltonika-networks.com/40852/how-make-nat-table-for-translate-ip-in-lan-to-ip-wan-whit-rut300?show=40852#q40852

But it doesn't work.