Type Smart managedNumber of ports16 to 30 portsLayerLayer 2Layer 2+Main type of ports 1000BASE-T Gigabit EthernetType of uplink ports 10GbE SFP+SFPSwitching capacity92 GbpsPoE options802.3af802.3atNumber of PoE ports 24PoE power budget See datasheetD-Link Green 802.3az Energy-Efficient Ethernet support Form Factor DesktopRackmountableHousing MetalPhysical stacking Up to 6 devicesVirtual stacking (up to 32 devices) Jumbo frame Cable diagnostics MAC address 16KSpanning Tree Protocol 802.1D STP802.1s MSTP802.1w RSTPLink aggregation 802.3adVLAN group (max static) 4KVLAN type GVRPPort-basedAdvanced VLAN Asymmetric VLANAuto Surveillance VLANAuto Voice VLANIPv6 Ready Static route for IPv4/IPv6 IPv4 - 64IPv6 - 32Number of QoS queues per port 8CoS based on contents Bandwidth control 64 Kbps minimum granularityACL based on packet contents Time-based ACL Encryption protocol supported SSHSSL (v1/v2/v3)IP-MAC-port binding (IMPB) / Smart Binding ARP spoofing 802.1X access control SNMP (v1/v2c/v3) RMON v1 LLDP LLDP-MED