hikvision nvr (ds-7604ni-k1)

Greetings all, I am having problems setting up remote viewing for my Hikvision DS-7604NI-K1 NVR probably because I still don’t understand port forwarding (everything I tried didn’t work). Here are some infos: I am using the Xiaomi Ax3000 router which allows DDNS (here I entered my No-IP...