Rackmount switch poe switch switching ports 48 gigabit ethernet ports 48 x rj 45 switch type stackable management managed layer 3 network standards power over ethernet poe address resolution protocol arp dhcp snooping quality of services qos vlan sflow backplane bandwidth 320 gbs packet forwarding rate 1905 mac address 64 k flash memory 1 024 mb ram 6 144 mb poe port 48 mode store and forward routing ipv6 ospf rip static routing remo