Rackmount switch poe switch switching ports 24 gigabit ethernet ports 24 x rj 45 2 x sfp switch type standalone management managed layer 2 network standards power over ethernet poe quality of services qos flow control full duplex auto negotiation vlan weighted round robin wrr link aggregation lag link aggregation control protocol lacp port mirroring broadcast storm control spanning tree protocol stp address resolution protocol arp bootstrap protoc