24 x 10/100/1000BASE-T ports / 4 x 10G SFP+ embedded uplink ports / Static routing / Surveillance Mode / Auto Voice VLAN / Dual software images / Dual configuration files / Access Control Lists (ACLs) / D-Link Safeguard Engine helps the CPU resist / broadcast/multicast/unicast flooding / Port Security supports up to 64 MAC addresses per port / ARP Spoofing Prevention / IMPB Support / D-Link Network Assistant (DNA) utility / Multilingual Web UI / Built-in SNMP MIB for remote NMS (D-View 7.0) / Full command line support via console port / Limited lifetime warranty