What task does the vSmart controller perform in a Cisco SD-WAN deployment?
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Correct answer: Distribute policies that control data forwarding in the SD-WAN fabric.
Why this is the answer
The vSmart controller is a crucial component in Cisco SD-WAN, primarily responsible for distributing policies that govern data forwarding within the SD-WAN fabric. It acts as the centralized brain for control plane functions, establishing secure DTLS/TLS connections with WAN Edge routers and disseminating routing information and policies. While vManage manages configuration and onboarding, and vBond handles initial authentication, vSmart ensures consistent policy enforcement across all WAN Edge devices, dictating how traffic is handled, secured, and optimized. This includes routing policies, access control lists, and quality of service (QoS) settings.
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