JetStream™ 24-port Pure-Gigabit Smart SwitchTrue physical stacking supports up to 6 units and 40Gbps bi directional bandwidth for high scalability and efficient redundancy 10G SFP+ ports for stacking and or uplink, providing support for high bandwidth applications for congestion relief and smooth data delivery L2+ feature, Static Routing help route internal traffic for more efficient use of network resources Advanced security features include IP MAC Port Binding, ACL, Port Security, DoS Defend,