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The Cisco DNA center is a network management platform that allows for the centralized control and automation of business network operations. DNA center is hosted on the DNA center appliances and these DNA center appliances are UCS based Gen 1 or Gen 2 chassis.
Gen 1 (Generation 1) UCS based chassis is already retired and now Cisco offers Gen 2 ( Generation 2) UCS chassis to host DNA center.
It is intended to make management of contemporary networks with a diverse set of devices, applications, and services easier. Cisco DNA center is based on software-defined networking (SDN) architecture and provides a unified management interface for the complete network infrastructure.