Which source can cause an SD‑WAN Edge router to originate a vRoute?
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Correct answer: from TLOCs connected to the WAN transports.
Why this is the answer
A vRoute is a route that an SD-WAN Edge router originates and advertises to other devices in the SD-WAN fabric. TLOCs (Transport Locators) are the points where the SD-WAN Edge router connects to the underlying WAN transport networks. When an Edge router has TLOCs connected to WAN transports, it originates vRoutes to advertise its reachability and the services it provides to the SD-WAN overlay. Routes learned from OSPF intra-area or BGP are typically internal network routes that the Edge router might redistribute into the SD-WAN fabric as vRoutes, but they are not the source of the vRoute origination itself. The vBond controller is responsible for orchestration and authentication, not for originating vRoutes.
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