Is your Xiaomi router running in or Access Point (AP) Mode ?

The Mi Home app can generate a QR code for your guest network, making it easy for guests to connect without typing a long password.

Once you've found the Guest Wi-Fi settings:

Your main network devices are shielded from guests' potentially compromised devices.

Before diving into the "how," let’s quickly cover the "why." A guest network on your Xiaomi AX1800 acts as a virtual wall. When enabled:

Follow this definitive configuration guide to successfully deploy, secure, and troubleshoot an isolated guest network on your Wi-Fi 6 device. Step-by-Step Configuration Guide Method 1: Using the Mi Home App (Recommended)

[Open App] ➔ [Select AX1800] ➔ [Toolbox / More] ➔ [Guest Wi-Fi] ➔ [Enable & Save] Step-by-Step Execution:

: You can configure guest SSIDs for both 2.4 GHz and 5 GHz bands simultaneously. Bandwidth Control

The router also supports WPA3 encryption, which provides robust security for your guest network.

Leo looked at his new Xiaomi AX1800, its sleek white body humming with the quiet energy of a thousand invisible signals. His apartment was always full of friends—freelance designers, gamers, and the occasional neighbor asking for "just a minute" of bandwidth.

You can limit the bandwidth available to guests, ensuring your main network remains fast for your own devices. Pre-requisites Before Setting Up

If your router allows you to turn AP isolation on or off, make sure it's enabled. This prevents guests from seeing or interacting with each other's devices, adding an extra layer of security on top of the network isolation.

: Find and tap on the "Guest Wi-Fi" option. Configure Settings : Toggle the switch to Turn On the guest network. Set a unique Network Name (SSID) and a Password . Choose an Encryption Type (e.g., WPA2).

On your phone or a friend’s device, scan for Wi-Fi networks. You should see your new guest network name. Connect using the password you created. Once connected, try to ping a device on your main network (e.g., a printer or another PC). You should fail —which is exactly what you want for security.

The Mi Wi-Fi app (or Xiaomi Home app for newer models) provides the easiest and most convenient way to manage your router. Both apps have similar interfaces, though some menu names may differ slightly.

Guests cannot access your shared files, network printers, or local storage.

Once you find the guest network settings, you’ll see options like:

Once you are inside the Guest Network sub-menu, you need to customize the network parameters to make sure it functions properly and securely. Flip the primary switch to ON or Enabled .

Ensure that the router is configured to assign IP addresses to guests (this is usually default).