Upgraded my internal network (home) with a new ‘dumb’ 16 port Gigabit (11″ rack version) switch for test.
Directly I saw issues with my network not being correctly wired (sigh) .. Causing the link to the internet to be down. After checking all wires finally found 2 wires causing some serious issues. Now all devices do have Gigabit, only my own PC is connected at 100MBit still so I will upgrade that probably later to check the performance.