我现在一直在几个小时to follow some of these other forum examples but to no avail, my ISP has also a bunch of default settings on my router and I don't know if they're interfering.
My network structure is as follows:
Router -> Switch -> Switch -> Switch -> Server & My PC
The IPv4 of the server is 192.168.101.153 static and I can connect using this IP from my machine but all the checking websites tell me 25565 is closed on my public IP.
Now I cannot upload my config either, probably again because of my ISP... (not enough permissions (9))
But what I have is screenshot below.
https://imgur.com/a/Rf1cJjS