The router has UPnP. What is it and what is it for?
What is UPnP?
this is what happen when you turn off UPNP in your router
Why You Should Disable UPnP
Good afternoon. Problem with Xiaomi mi wifi router 4. Doesn't want to connect to the internet. PPPOE connection type. Writes "Sorry, the xiaomi router has network connection problems and it cannot open the web page" and "Modem dialing exception." Translated via google translator