Once logged in, click on the Wireless tab on the top menu bar. Then, click on Wireless Settings from the drop-down menu.
Fire up the Mi Home app and select your AX1800 from the device list. create guest network on xiaomi mi router ax1800 work
Tap on the (gear icon) in the bottom right corner of the app. Once logged in, click on the Wireless tab
Ensure the option to "Allow guests to see each other" or "Access local network" is disabled for maximum security. Once logged in