It is very stable with very good firmware.
Cisco Catalyst SD-WAN offers excellent scalability, suitable for businesses of all sizes, and ensures efficient network management with its centralized control. Praised for its reliability, it seamlessly integrates with cloud infrastructures. Although it is expensive and the security options require enhancement, it remains highly recommended due to its scalability and operational efficiency. However, the licensing model and complexity of initial setup pose challenges, and improvements in documentation and resource access are needed.