Explore Stateful Switchover (SSO) and related technologies in this comprehensive video lecture from the CCNP ENCOR 350-401 course. Dive into switch stacking concepts, including Non-Stop Forwarding (NSF), Graceful Restart (GR), and Non-Stop Routing (NSR). Learn about chassis routers, RP failover scenarios, and various high availability techniques such as HSA, RPR, and RPR+. Understand the differences between SSO, NSF, GR, and NSR through detailed explanations and practical examples. Test your knowledge with end-of-video quizzes and gain insights into HSRP implementation with SSO. Benefit from a summary chart that consolidates key concepts and prepare for the CCNP ENCOR exam with recommended study resources.