IPv6 L2+/L4 24-Port 100/1000X SFP with 8 Shared TP + 2-Port 10G SFP+ Managed stackable Switch, W/ 48V Redundant Power, trunking stack up to 16 units. Hardware Stacking / IPv6 / 802.1Q VLAN / Q-in-Q / MSTP / IGMP Snooping / ACL / RADIUS / TACACS+ / SSH / SSL / SNMPv3 / POE