---
title: MAC Filtering Configuration
slug: singleconnect-reference-guide-3-2-0/mac-filtering-configuration
description: Learn how to use MAC addresses assigned to you for RADIUS authentication in this informative document. Find out how MAC filtering can be activated by enabling the MAC Filtering box in the Administration/RADIUS 802.1x Config screen and entering your userna
docTags: 
createdAt: 2022-08-01T12:33:45.000Z
---

If MAC addresses are defined for a user, that user can only use those MAC addresses. The same MAC address can be assigned to different users. Users cannot use undefined MAC addresses for RADIUS authentication. 

To activate MAC filtering while using 802.1x Authentication:

- Check the **MAC Filtering **box in the **Administration / RADIUS 802.1x Config** screen.

::Image[]{src="https://api.archbee.com/api/optimize/g9cApVza9NIhSh0pjZYtA/YR7myTStTploaaQ4vIrI9_image.png" size="74" width="855" height="430" caption="802.1x Mac Filtering" position="center" showCaption="true"}

1. Navigate to **Administration** > **MAC Filtering**.
2. Enter the username and user MAC Address to be allowed and click** Save.**



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