Rackmount switch poe switch switching ports 28 gigabit ethernet ports 4 x sfp 24 x rj 45 switch type standalone layer 2 network standards quality of services qos vlan port mirroring jumbo frames power over ethernet poe flow control spanning tree protocol stp backplane bandwidth 56 gbs packet forwarding rate 4166 interface 1x console rj 45 max power consumption 331 w jumbo frame size 9 216 bytes mac address 16 k buffer 1 536 kbit flash memor