4000 Series v33.2.1 User Guide by Extreme Networks, Inc., released in January 2025, delivers technical procedures for installing, configuring, and managing Extreme Networks 4000 Series switches using Switch Engine. Key topics include centralized switch management, VLAN configuration, GRE tunneling, and advanced features like stacking, dynamic routing protocols, and automated provisioning through ExtremeCloud IQ. It outlines software requirements, supported features, and operational modes, with comprehensive instructions for using both the CLI and Chalet web-based interface. ,Advanced capabilities such as virtual routing, LAG, and automated AP adoption are detailed, along with critical aspects of switch management, including firmware upgrades, security configurations, and cloud integration. Practical commands, troubleshooting workflows, and configuration steps are provided to optimize switch performance in enterprise environments.