--- title: "How to Determine Your Device MAC Address" slug: "howtodetermineyourdevicemacaddressdoc" description: "NavVis MLX and VLX MAC addresses: exit the Mapping UI, open Terminal in Ubuntu, and run ifconfig. First address is Ethernet, second is the Wi-Fi module. MLX needs a USB-C dongle for a keyboard." updated: 2025-10-24T11:09:26Z published: 2025-10-24T11:09:26Z canonical: "knowledge.navvis.com/howtodetermineyourdevicemacaddressdoc" --- > ## Documentation Index > Fetch the complete documentation index at: https://knowledge.navvis.com/llms.txt > Use this file to discover all available pages before exploring further. # How to Determine Your Device MAC Address ## Introduction ### Purpose A guide to determining a NavVis Device Mac Address ### Scope NavVis VLX and MLX ### **Prerequisites** - A wired USB-A keyboard can be used to simplify input. - Click [here](https://knowledge.navvis.com/docs/locating-the-parts-of-your-navvis-vlx) to see the USB-A port where the keyboard can be connected. - For the MLX, a USB-C dongle is required to connect an external keyboard. - If the screen is too small, you can mirror the display through a [VNC connection](https://knowledge.navvis.com/docs/howtoconnecttoyournavvisdevicewirelesslyusingvnc?highlight=vnc). ## Procedure 1. Exit the Mapping UI - Click the Settings icon. ![User interface displaying datasets and settings options on a map layout.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/Mac1.png) - Scroll down to the bottom and click Exit to close the Mapping UI. ![Settings menu displaying options for display mode and exit application button.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/Mac2.png) #### 2. Open the Terminal - On the Ubuntu UI, click the Terminal icon on the left toolbar. ![User interface of NavVis software displaying a 3D model and navigation options.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/Mac3.png)![A terminal window displays commands over a blue architectural sketch background.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/Mac4.png) #### 3. Check the MAC Address - In the open terminal, type the following command and press Enter: **ifconfig** ![A terminal window displays a command input for network configuration settings.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/Mac5.png) - The MAC addresses will be shown in the output: ![Terminal output showing network configuration details including Ethernet addresses and packet statistics.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/Mac6.png) - - The first corresponds to the Ethernet. - The second corresponds to the Wi-Fi module. #### 4. Reopen the Mapping UI - Close the terminal by clicking the X button. - Click the Mapping UI icon to reopen the interface. ![3D visualization of a room layout with navigation tools and options displayed.](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/Mac7.png)