---
title: C423 configuration via WebUI — Overview
description: The C423 can be configured through the WebUI. Access the WebUI by using one of the following methods:.
---

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# C423 configuration via WebUI — Overview

The C423 can be configured through the WebUI. Access the WebUI by using one of the following methods:

- In your browser's address bar, type:
  
  **https://*hostname***
  
  where *hostname* is the hostname (KB-XX-XX-XX) or IP address of the radio. See Connecting to the AltoPlex radio for more information.
- Link from the Wireless table of a connected device's WebUI by clicking the name of the device to configure in the **Peer Name** column of that table.
  
  ![](https://support.altowav.com/hs-fs/hubfs/kb-images/altoplex-radios/WebUI-D621-wireless-table-CN_94867258.png?width=650&height=80&name=WebUI-D621-wireless-table-CN_94867258.png)
- Use the device's management Wi-Fi.
- If using the AltoCommand, access the WebUI from the **Devices** page by clicking  at the end of a device's row and clicking **Connect to Device**.

Some common tasks at the WebUI:

- View information about the device, such as the  firmware version \>AltoCommand server status, and wireless connections, on the [Status tab](https://support.altowav.com/network-tab.html?hsLang=en-us). You can also click on a **Peer-Name** to access the WebUI for a connected device.
- On the Admin tab: 
    - Configure the location of your AltoCommand server. (Requires AltoCommand version 4.0).
    - Upgrade firmware.
    - Change the admin password.
    - Locate the radio.
    - Download a diagnostic file.
    - Reboot.
    - Restore Factory Defaults.
    - Set the **Location** or **Description** per your network design plan.
    - Configure diagnostic Wi-Fi settings.

- On the LAN tab, configure MAC filtering.
- On the Network tab, configuration various networking features, such as VLANs, Spanning Tree protocol, and the management interface.

The header of the WebUI shows the **Unit name** of the C423 (also called the hostname), **Description** and **Location**, as well as offering a **login** link.

![](https://support.altowav.com/hs-fs/hubfs/kb-images/altoplex-radios/header-gray_b40cfb77.png?width=500&height=99&name=header-gray_b40cfb77.png)

The header background changes from gray to yellow when a unit is unreachable.

![](https://support.altowav.com/hs-fs/hubfs/kb-images/altoplex-radios/header-yellow_9f89f54e.png?width=500&height=101&name=header-yellow_9f89f54e.png)

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