IPv6, 24-Port Gigabit with 4-Port SFP Layer 2+/4 SNMP Managed Switch w/-48V Redundant PWR. 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