What is the Cisco SD-WAN? Cisco SD-WAN is a Wide Area Network (WAN) overlay architecture that applies the principles of Software-Defined Networking (SDN) into the traditional WAN. It is designed to meet the needs of modern enterprise applications and the rapidly growing security requirements.

What is Cisco Catalyst 3750? The Cisco Catalyst 3750 Series switches are a premier line of enterprise-class, stackable, multilayer switches that provide high availability, security, and quality of service (QoS) to enhance the operation of the network.