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How to reach a LAN device from WAN network using a PC located on remote site.

16 Nov 2022

The Ewon gateway possesses two communication interfaces: a LAN and a WAN.

The Ewon gateway acts as a router and as such, embeds several features to allow interaction between the WAN, VPN, and LAN interfaces.

The NAT 1:1 is an extrapolation of NAT which maps an internal address (LAN) to an external address (WAN or VPN). For every entry inside the NAT 1:1, the Ewon gateway will create a new virtual IP address on its WAN or VPN interface. The LAN device associated with that entry then becomes accessible at this new virtual IP address.

 

APPLICABLE PRODUCTS

  • Ewon Cosy
  • Ewon Flexy

 

PRE-REQUISITES

- An existing remote access to your machine LAN (Ewon LAN) and Talk2M

- Ewon gateway can be either the Ethernet WAN, the cellular modem, or the Wi-Fi modem.

 

IN THIS ARTICLE

  • NAT on WAN: it allows the Ewon gateway to act as an Internet router.

Please follow this link that will guide you in the steps to follow: Connect to a device plugged in the Ewon Cosy

 

ADDITIONAL INFO

In case the configuration is in place but the ping command is not working, you may need to check the Windows Firewall settings, and make the necessary configuration to allow pings: 

Windows Firewall

  1. Search forWindows Firewall, and click to open it.
  2. ClickAdvanced Settings on the left.
  3. From the left pane of the resulting window, click Inbound Rules.
  4. In the right pane, find the rules titledFile and Printer Sharing (Echo Request - ICMPv4-In).
  5. Right-click each rule and chooseEnable Rule.