Summit X450a is based on the revolutionary ExtremeXOS operating system from Extreme Networks. ExtremeXOS is a highly resilient, modular operating system that provides continuous uptime, manageability and operational efficiency.The highly flexible and scalable Summit X450a is an ideal aggregation switch for traditional small core enterprise networks and a perfect first level aggregation device for DSLAMs at a local central office.The extremely versatile Summit X450a switch provides high-density gigabit plus optional 10 Gigabit Ethernet ports in a compact 1RU format, supporting a full range of Layer 2 to Layer 4 functionalities on every port to allow high productivity.