The Summit X450a series is based on Extreme Networks revolutionary ExtremeXOS OS. It offers high-performance and non-blocking hardware technology. The highly flexible and scalable Summit X450a switch is an ideal aggregation switch for traditional small core enterprise networks. It is a perfect first level aggregation device for DSLAMs at a local central office. The extremely versatile Summit X450a switch provides high-density gigabit plus Gigabit Ethernet ports.