Rackmount switch switching ports 28 10 gigabit ethernet ports 4x sfp gigabit ethernet ports 24 x rj 45 switch type stackable management managed layer 2 network standards access control list acl dhcp snooping mld snooping quality of services qos igmp snooping link aggregation control protocol lacp spanning tree protocol stp loop detection flow control lldp support address resolution protocol arp port mirroring backplane bandwidth 128 gbs packet for