The Summit48i is the ideal advanced 10/100 Mbps aggregation solution switch. Featuring the powerful "i" series chipset, it extends the power of Extreme's Ethernet service provisioning platform to the edge of the network, delivering non-blocking wire-speed IP/IPX routing and switching. With its 2 RU form factor, the Summit48i is perfect for deployment at the edge of advanced enterprises, multi-tenant/multi-unit dwellings (MTUs/MDUs), Internet data centers, and co-location environments. In addition, by bringing Ethernet service provisioning to the edge of the network, the Summit48i offers flexibility in network design, allowing multiple subnets at the edge for superior performance and security.The Summit48i is available with 48 switched 10/100 Mbps auto-negotiating Ethernet ports and two full-duplexed GBIC-based 1000BASE-SX, LX or LX-70 Gigabit Ethernet ports. It has a 17.5 Gbps non-blocking switch fabric with a forwarding rate of 10.1 million packets per second, and is available with an optional integrated dual power supply unit for increased fault tolerance.Pre-installed on every Extreme Networks switch, the ExtremeWare software suite features industry standard protocols to ensure interoperability with legacy switches and routers, plus Policy-Based Quality of Service (QoS) for bandwidth management and traffic prioritization. ExtremeWare scales performance and increases availability by combining Policy-Based QoS with fully integrated server load balancing, web cache redirection, access control lists, VLAN switching and routing, IETF DiffServ and IEEE 802.1p.This product comes with full Layer 3 ExtremeWare Software License.