Supports 24 802.3at/af-compliant POE+ ports with a total power supply of 320W IP-MAC-Port-VID Binding, ACL, Port Security, DoS Defend, Storm control, DHCP Snooping, 802.1X Authentication and Radius provide you robust security strategies L2/L3/L4 QoS and IGMP snooping optimize voice and video application WEB/CLI managed modes, SNMP, RMON bring abundant management features