Computer hardware and computer software; computer hardware and software for interconnecting, managing, securing and operating local and wide area networks and telephone systems; computer servers, switches, computer chassis, network extenders, network adapters, and software used in the management and operation thereof, sold as a unit; network servers; network and data storage devices, comprised of computer hardware and/or software; telecommunication switches, namely, ethernet switches, data center switches and unified fabric switches; network access server hardware and operating software