---
title: "Which Ethernet port is recommended for use as a WAN interface?"
slug: "which-ethernet-port-is-recommended-for-use-as-a-wan-interface"
updated: 2026-07-23T07:49:01Z
published: 2026-07-23T07:49:01Z
canonical: "docs.insys-icom.com/which-ethernet-port-is-recommended-for-use-as-a-wan-interface"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.insys-icom.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Which Ethernet port is recommended for use as a WAN interface?

When a WAN connection or a connection to another network via an Ethernet interface is established on a router of the MRX.neo or MOROS.neo series, the maximum interface performance is achieved on Port **ETH 4**.