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How to change DNS server settings on MERCUSYS WiFi Router or 5G/4G Router

This Article Applies to:
MR50G MR70X MR30G MR60X MR80X MR90X AC12 AC12G AC10 MW305R MW325R MR27BE MR37BE MR25BE MB520-5G MB235-4G MB135-4G MB130-4G MB115-4G MB110-4G MB112-4G

Introduction

You can change DNS server settings on your MERCUSYS router to use a preferred DNS provider or resolve network issues in a specific environment. If your Internet connection seems slow or unstable, updating your DNS settings is a good first step. This guide covers how to change DNS settings on MERCUSYS WiFi Router or 5G/4G Router via the web management page.

If you have a MERCUSYS Halo system, see How to change DNS server settings on my Halo

 

Configuration

Scenario 1: For WiFi Routers

Step 1. Connect your computer to the MERCUSYS WiFi Router, then open a browser and visit mwlogin.net or 192.168.1.1 to log in to the router's web management page.

For details, please refer to How to log in to the web management page of MERCUSYS Wireless Router

Step 2. Navigate to Advanced > Network > Internet page. Click on Advanced Settings > DNS Address option, then select the option labeled Use the following DNS addresses. Once selected, the Primary DNS and Secondary DNS fields will be displayed. Enter the DNS addresses (e.g., 8.8.8.8 and 1.1.1.1). Click SAVE to apply the settings.

For reliable performance, we recommend using 8.8.8.8 for the Primary DNS and 1.1.1.1 for the Secondary DNS.

MERCUSYS  router web management page showing the Advanced Settings section under Advanced > Network > Internet, with Primary DNS set to 8.8.8.8 and Secondary DNS set to 1.1.1.1, and the SAVE button highlighted.

Step 3. Reboot the router for the new DNS settings to take effect.

Go to Advanced > System > Reboot, click REBOOT.

MERCUSYS router web management page showing the Reboot section under Advanced > System > Reboot, with the REBOOT button highlighted.

 

Scenario 2: For 5G/4G Routers

Step 1. Connect your computer to the MERCUSYS 5G/4G Router, then open a browser and visit mwlogin.net or 192.168.1.1 to log in to the router's web management page.

For details, please refer to How to log in to the web management page of MERCUSYS 5G/4G Router & Mobile Wi-Fi

Step 2. Go to Advanced > Network > LAN Settings. On this page, you will see the fields for Primary DNS and Secondary DNS. Enter the DNS addresses (e.g., 8.8.8.8 and 1.1.1.1). Click SAVE to apply the settings.

For reliable performance, we recommend using 8.8.8.8 for the Primary DNS and 1.1.1.1 for the Secondary DNS.

MERCUSYS 5G/4G Router web management page showing Primary DNS set to 8.8.8.8 and Secondary DNS set to 1.1.1.1 directly under Advanced > Network > LAN Settings, with the Save button highlighted.

Step 3. Go to Advanced > System Tools > Reboot, click Reboot.

MERCUSYS 5G/4G Router web management page showing the Reboot option under System Tools, with the Reboot button highlighted.

 

Get to know more details of each function and configuration please go to Support Center to download the manual of your product.