D-Link DGS-3420-52T/E 52-Port Gigabit L2+ Stackable Managed Switch

Features Reliability Redundant Power Supply (RPS) support 802.1D/802.1w/802.1s Spanning TreeSecurity L2/L3/L4 Multi-Layer Access Control External RADIUS/TACACS+ Authentication SSH/SSL support 802.1X Guest VLAN Web-based Access Control (WAC) MAC-based Access Control (MAC) D-Link Safeguard Engine Supports Microsoft NAPTraffic Monitoring/Bandwidth Control Traffic Segmentation Granular Bandwidth Control Down to64 Kbps per port 802.3ad Link Aggregation RMON support Port mirroringOAM 802.3ah Ethernet Link OAM 802.1ag, ITU-T Y.1731 Service OAMConfiguration/Management Web-based GUI Command Line Interface (CLI) SNMP v1, v2c, v3 D-Link Single IP Management (SIM) Telnet Multiple Images/Configurations DHCP Server sFlow LLDP, LLDP-MED