1. An apparatus, comprising: at least one first network port; at least one second network port; a trunk circuit connected to the first network port, the trunk circuit being configured to aggregate data packets received at the first network port into a trunk group and to output trunked data packets to an output and being configured to isolate each of the network ports from each other; and a switching unit connected to the output of the trunk circuit and to the second network port, the switching unit being configured to switch the trunked data packets to the second network port.