Cisco's SD-WAN Routers are the routing components of the overlay architecture that deliver the essential WAN, security and multi-cloud capability of the solution.

Cisco SD-WAN routers are delivered as hardware, software, cloud or virtualized components that sit at the perimeter of a site, such as remote office, branch office, campus, or a data center. They participate in establishing a secure virtual overlay network over a mix of any WAN transports.