Type   Smart managedNumber of ports 16 to 30 portsLayer Layer 2Layer 2+Main type of ports   1000BASE-T Gigabit EthernetType of uplink ports   10GbE SFP+SFPSwitching capacity92 GbpsPoE options 802.3af802.3atNumber 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