: One of the most useful aspects is that the guest network is completely isolated from the primary network. This prevents guests from accessing shared folders, smart home devices, or sensitive files. Dual-Band Support

Supports modern encryption standards like WPA3 , which is beneficial for guest security.

If you prefer using a computer or don't have the app installed, you can set up the guest network through your web browser.

Use a friend's phone or a laptop. Connect to your new _Guest SSID. Can it load websites (Google, YouTube)? If yes, the internet part works.

Attempt to access your router’s login page ( 192.168.31.1 ) or ping a device on your main network while connected to the guest Wi-Fi. The connection should be timed out or blocked, proving that the isolation feature is working. Troubleshooting Common Issues

In the -> Guest Wi-Fi -> "Valid for" setting.

Scroll down until you see a section labeled or "Guest Network." Tap on it. If you don't see this option: Your router is in "Access Point (AP) mode" or "WISP mode." The guest network feature is disabled in these modes. Switch the router to "Wireless Router Mode."

This long-form guide will walk you through exactly how to on your AX1800, ensuring your main network stays secure while guests stay connected.

Main network gets 500 Mbps, guest network gets 5 Mbps. Fix: Check two things:

By isolating temporary users on a separate subnet, you prevent unauthorized access to your private files, network storage, and smart home appliances. This deep-dive guide explains exactly how the feature works, details how to set it up step-by-step using both a phone and a web browser, and provides solutions to common troubleshooting bugs. Why the Xiaomi AX1800 Guest Network Matters

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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)