A port descriptor of a selected port descriptor version is obtained. The selected port descriptor version is one port descriptor version of a plurality of port descriptor versions available for selection. The port descriptor of the selected port descriptor version includes information relating to a port of the computing environment and is configured to include technology information indicating whether the port is part of a multiple lane connector packaging. A determination is made using the port descriptor of one or more operational attributes of the port. Action is taken based on the one or more operational attributes of the port.