Edge-Core"s ECS4510-28F is a high-end Ethernet switch featuring strong Layer 2 networking functions and providing 24 ports of 100/1000Base-X SFP ports, 2 built-in 10G SFP+ slots and an optional expansion module for two additional 10G SFP+ slots. Its stacking ability allows 36 switches to be managed from a single IP address. The ECS4510-28F has 24 100/1000Base-X SFP ports, two 10G SFP+ slots built-in and the option for an additional expansion module supporting two more 10G SFP+ ports for a total of 4 10G optical ports on the switch. The Layer 2 capabilities of ECS4510-28F include support for comprehensive QoS features: 802.1p prioritization, 8 egress queues per port, WRR and strict priority policies, Three Color Marking, CIR and PIR traffic policing and asymmetric BiDirectional rate-limiting per port or per class. Its backplane switching capacity is 128Gbps. ECS4510-28F includes also Layer 2 essential features and enhanced ones like Rapid Spanning Tree, Multiple Spanning Tree, IGMP snooping, comprehensive QoS services with bandwidth limiting and security authentication and ACL services.