Premium Layer 2/3/4 Fast Ethernet switches with four Gigabit SFP mini-GBIC ports for fiber flexibility. Enterprise-class manageability with Command Line Interface, Web interface, and full SNMP support. Non-PoE and PoE models. Advanced Layer 3 routing-including OSPF, PIM-SM, PIM-DM, RIPv1/v2, and static routing. Advanced eight-high stacking with distributed link aggregation, distributed routing, and single IP management.