Which Cisco SD-WAN component handles control-plane signaling and distribution of policies across the fabric?

• A. vSmart
• B. vBond
• C. vManage
• D. FMC

Answer: (A)

vSmart serves as the central control plane for Cisco SD-WAN. It runs the Overlay Management Protocol (OMP) to exchange routes, VPNs, and policies with every edge device, and it distributes the policy decisions you configure in vManage out to the entire fabric. In short, it collects policy definitions from vManage and enforces them across the network by pushing them to the vEdges, coordinating control-plane signaling across all sites. The other components have different roles: vBond handles initial authentication and device admission, vManage is the management console where policies are created, and FMC isn’t part of the SD-WAN fabric.