Labelling machine for labelling containers, having at least one docking station for a labelling apparatus and a machine control system, wherein the docking station comprises at least one network access for establishing a network connection between the machine control system and a docked labelling apparatus, wherein the network connection is designed to transmit security-relevant data and/or time-critical data, and wherein the network access is connected to a manageable Ethernet network switch of the machine control system with a DHCP server, wherein the DHCP server is adapted to assign a preset IP address determined by the DHCP server to a labelling apparatus connected to the network access.