Thanks for your response. Unfortunately, in a Linux only network that will not help me :)

To answer my own question (at least partly), you can reserve an IP address for a device: Advanced Tab > Network > DHCP Server > Address Reservations. Add a MAC address from the below DHCP Client...

Model : Archer C9 Hardware Version : Firmware Version : 1.3.0 Build 20161018 rel.71163(4555) ISP : On my new Archer C9 V3 I plugged in my Raspberry PI with the open source media center OSMC. With my...