Rackmount switch switching ports 48 gigabit ethernet ports 48 x rj 45 4 x sfp fast ethernet ports 48 x rj 45 ethernet ports 48 x rj 45 switch type standalone management managed layer 3 network standards port mirroring quality of services qos flow control full duplex energy efficient ethernet access control list acl igmp snooping jumbo frames vlan address resolution protocol arp link aggregation control protocol lacp link layer discovery protocol lldp