Rackmount switch poe switch switching ports 24 10 gigabit ethernet ports 2x sfp gigabit ethernet ports 24 x rj 45 switch type stackable management managed layer 3 network standards link aggregation control protocol lacp link aggregation lag energy efficient ethernet flow control full duplex address resolution protocol arp link layer discovery protocol lldp quality of services qos igmp snooping mld snooping spanning tree protocol stp trivial file tran