product description dell networking n1548 switch 48 ports managed rack mountable device type switch 48 ports l2 managed stackable enclosure type rack mountable 1u subtype gigabit ethernet ports 48 x 10 100 1000 4 x 10 gigabit sfp performance switching fabric bandwidth176 gbps brvbar forwarding performance164 mpps capacity virtual interfaces vlans512 brvbar arp entries1024 brvbar ndp entries400 brvbar priority queues per port8 brvbar ip