With the update of the base OS in Zorp 7, the network interface naming scheme has changed. The traditional interface names (for example, eth0) are not used anymore and the new network interface names depend on the properties of the network interface (for example, enp2s0). To determine the new network interface names, you will have to take different steps depending on whether you upgrade to Zorp 7 on the same machine or on a new one.

The following two procedures describe the best practice of determining and saving the MAC address of the machine in Zorp 6 and then using it after reinstalling your hosts to Zorp version 7.