Previously, to secure Cisco Catalyst SD-WAN, formerly known as Viptela SD-WAN, you should create remote networks and IPSec tunnels manually. Now, you can onboard a remote network using IPSec tunnels between Cisco Catalyst SD-WAN and Prisma Access automatically. Contact your Palo Alto Networks Account representative to enable this functionality. After you enable this functionality, configure the settings to establish the connection between Prisma Access and Cisco Catalyst SD-WAN. View the discovered sites that are eligible for the integration, and enable them accordingly. This creates remote networks and establishes IPSec tunnels. Ensure to follow all the requirements and prerequisites before you enable this functionality. See Integrate Prisma Access with Cisco Catalyst SD-WAN for more information.