Which component coordinates a WAN Edge device's connection to a vSmart controller when joining the overlay?
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Correct answer: vBond.
Why this is the answer
The vBond orchestrator is the single point of authentication for all SD-WAN components. When a WAN Edge device attempts to join the overlay, it first authenticates with vBond. vBond then provides the WAN Edge with the IP addresses of the vSmart controllers and vManage, allowing it to establish secure connections and join the SD-WAN fabric. vManage is the centralized management platform, not the initial orchestrator. OMP (Overlay Management Protocol) is the routing protocol used within the SD-WAN overlay, not a component for initial connection coordination. APIC-EM is a controller for Cisco's enterprise SDN solutions, unrelated to SD-WAN orchestration.
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