Rackmount switch switching ports 24 gigabit ethernet ports 20 x rj 45 fast ethernet ports 20 x rj 45 ethernet ports 20 x rj 45 switch type stackable layer 3 network standards quality of services qos vlan jumbo frames backplane bandwidth 128 gbs packet forwarding rate 3571 mac address 32 k uplink port 24 x auto mdimdi x mode store and forward