IPv4/IPv6, 48-Port 10/100/1000Base-T + 4-Port 100/1000MBPS SFP L2/L4 /SNMP Manageable Gigabit Ethernet Switch. IPv6 / 802.1Q VLAN / Q-in-Q / MSTP / IGMP Snooping / ACL / RADIUS / TACACS+ / SSH / SSL / SNMPv3