Usually, you would set your repeater's address one higher than your main router address, for example, if your main router has the address 192.168.0.1 then you would set address 192.168.0.2 for your repeater. Make sure your main router is connected to your repeater router by cable to the WAN port.
If you are looking for the XIAOMI Mi Wi-Fi Range Extender Pro manual you can use the following link: Sorry no manual in our database. Search for the manual on manufacturer's site. Here you can read the most important instructions for XIAOMI Mi Wi-Fi Range Extender Pro router. The above user guide contains the full support for using XIAOMI router.
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