Cisco Systems Inc. has finalized an agreement to purchase privately held BCN Systems Inc., a provider of networking software design. Under the terms of the agreement, Cisco will pay approximately US$34 million in cash for BCN. The price could increase by as much as $122 million if BCN meets certain development and product milestones. BCN"s architecture will be incorporated across Cisco"s broad routing portfolio and will support Cisco"s delivery of next-generation data, voice, and video services over a converged network.