If the standard toggles don’t fully isolate your guest network, the AX1800 runs a Linux-based OS. You can SSH into it (if developer mode is enabled) and add a manual iptables rule.
The mobile application often provides a more intuitive interface for managing these settings:
How to Create a Guest Network on Xiaomi Mi Router AX1800 (Fixed) create guest network on xiaomi mi router ax1800 fixed
Are you setting this up via the or the web browser ? Are you facing a specific error message ?
You must switch the router back to Router Mode . Go to Settings > Network Settings > Switch Mode on the web interface, and change it to Normal Router Mode . Connect your main internet line to the WAN port. Fix 2: Devices Stuck on "Obtaining IP Address" If the standard toggles don’t fully isolate your
Enter the default gateway IP address into the URL bar: 192.168.31.1 (or type miwifi.com ). Enter your administrator password to log in. Step 2: Locate Wi-Fi Settings Click on from the top menu bar. Select Wi-Fi Settings from the sub-menu. Step 3: Configure Guest Network
If you own the Chinese variant (RB01), flash the international firmware via the UART method (advanced users only) to unlock stable guest networking. Are you facing a specific error message
Setting up a guest network on your Xiaomi Mi Router AX1800 protects your primary network from security vulnerabilities. A dedicated guest network isolates visitors' devices from your private files, smart home appliances, and shared storage drives, ensuring your core network remains secure and running at optimal speeds.