What is the primary role of the vSmart controller in Cisco SD-WAN?

The vSmart controller is the centralized brain of the Cisco SD-WAN solution, responsible for managing the control plane. It establishes secure DTLS tunnels with all vEdge routers and vBond orchestrators, distributing routing information, policies, and security parameters across the SD-WAN fabric. This enables intelligent path selection and ensures consistent policy enforcement. Incorrect options: It performs authentication and authorization: This is primarily the role of the vManage controller, which integrates with AAA servers. It is the centralized network management system: This is the role of the vManage controller, providing a GUI for configuration, monitoring, and troubleshooting. It manages the data plane: The data plane is handled by the vEdge routers, which forward traffic based on the policies and routing information received from the vSmart controller.