D-Link DGS-3120-24TC/SI Gigabit Smart Managed Switch

24-port 10/100/1000 Layer 2 Stackable Managed Gigabit Switch including 4-port Combo 1000BaseT/SFP with Standard Image
– Managed Gigabit Ethernet Switch
– 24 x 10/100/1000Mbps Auto-Negotiating Ports
* Including 4 Combo 1000BaseT/Mini-GBIC SFP ports
– 2 dedicated stacking ports for full-duplex 40Gbps stacking (up to 6 units/stack)
– IEEE 802.1D/1w/1s Spanning Tree Protocol 802.3ad Link Aggregation
– LBD Port Mirroring
– IGMP/MLD Snooping
– 802.1Q Voice VLAN Asymmetric VLAN GVRP Port/MAC-based VLAN
– 802.1p Bandwidth Control
– ACL Time-based ACL
– SSH/SSL Traffic Segmentation ARP Spoofing Prevention DHCP Server Screening BPDU Attack Protection
– Port/Host Based 802.1X Identity-driven security policy assignment Port/Host Based WAC/MAC Microsoft NAP Support
– SNMP RMON v1/v2 DHCP Auto-configuration Flash file system LLDP DHCP Relay Multiple images/configuration
– 1U height 19″ Rackmount Installation