How to set up NAT 1:1 on Ewon Flexy

02 Oct 2024

This article explains how to set up NAT 1:1 on the Ewon Flexy. While this can be done by changing the internal parameters as it is done for the Ewon Cosy, the Flexy has these configuration options in the user interface to make it easier to set up.

 

APPLICABLE PRODUCTS

Ewon Flexy

 

HOW TO CONFIGURE

  1. Navigate to Configuration > System Setup > Communication > Networking > Routing and select the Enabled checkbox next to NAT 1:1.

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  2. On the Mapping drop-down menu, Select NAT 1:1 on WAN then configure your translations in the table that appears below it. Put the LAN IP of the device under Device IP (LAN) and the WAN IP that you want it to be mapped to under Mapped IP (WAN).

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    In our example, the Ethernet device on the Ewon LAN side with IP address 192.168.0.115 will become reachable on the Ewon WAN side using IP address 10.0.101.11.

    Note: Please check with your IT department to discuss which IP addresses can be used and reserved for the NAT 1:1 feature of the Ewon. These IP addresses are not assigned by DHCP and may present an IP conflict if not confirmed with IT.

    After you are inputting all of the translations you need, click Update to apply the settings.

  3. Next, we need to adapt the network security settings to allow the traffic through the Ewon. By default, access to the Ewon's WAN side is blocked. To change this behavior, we must first navigate to Configuration > System Setup > Communication > Networking > Security.

    Under WAN Protection select Allow All. Additionally, you must select the checkbox next to WAN IP Forwarding to allow traffic forwarding to the WAN (this allows devices on the LAN to communicate back to the WAN side).

    Warning: The change to WAN Protection will allow inbound traffic from the WAN side so make sure this is a secure network.

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  4. Select Update from the bottom of the page to apply the settings. Finally, you must reboot the Ewon for the changes to take effect. You can find the reboot option under Configuration > System Setup > General > General > Reboot.