One-to-One NAT (Network Address Translation) is a method where each private IP address on a local network is mapped to a unique public IP address. This allows devices in a private network to communicate with external networks (like the internet) using a public IP, while still preserving their internal, private addresses. It's often used in scenarios where a device requires a dedicated, unambiguous address for external communication, such as hosting servers or ensuring secure remote access.
To configure One-to-One NAT on your Router in Insight:
- Access the Insight Cloud Portal.
- If you are an Insight Pro user with access to more than one organization, select your organization.
- Select your location.
- Select Routers/VPN.
- Scroll down to the Routers pane and double-click the router to bring up the router’s device settings.
- Navigate to Security > Outbound NAT.
- Next, click the Add Outbound Rules button to create a new rule.
- The Add/Edit Outbound NAT Rule page will display.
- Add a name for the new rule.
- Select the service from the Service drop-down menu.
- Under the Source Address field select Single to allow a single IP address and add the local IP address in the field below that will utilize the service that was selected from the Service drop-down menu.
- Under the Destination Address field leave this as Any to allow any traffic to reach the local source address.
- Under Outbound Interface select either WAN1 or WAN2 that will accept the translation IP address.
- Under the Translation IP address field, add the WAN IP address.
- Click Add to save.
Last Updated:07/07/2025
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Article ID: 000066520