48-Port 10/100/1000TP + 4-Port 100/1000X SFP Layer2+/L4 Advanced SNMP Manageable Gigabit Switch. Layer 2+/4 10/100/1000Mbps & 10G Intelligent Manageable Switch. IPv4/IPv6 L3 Static Routing / 802.1Q VLAN / Q-in-Q / MSTP / IGMP Snooping / MLD Snooping / ACL / RADIUS / TACACS+ / SSH / SSL / SNMPv3 / EEE / Cable Diagnostic / SFP DDM