http://192.168.2.1/

https://apple.stackexchange.com/questions/362739/what-causes-some-network-drives-using-smb-no-longer-connect-to-macos-catalina

https://telekomhilft.telekom.de/t5/Geraete-Zubehoer/Speedport-Pro-Netzwerkspeicher-nicht-zu-erreichen-unter-Mac-OS/td-p/4434995