Main Features:Comply with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.3ad, IEEE802.1w, IEEE 802.1x, IEEE 802.1Q, IEEE 802.1p standard24 10/100/1000M auto-negotiation RJ45 ports, 2 gigabit SFP(mini GBIC) ports (with port 1 and port 2 multiplexing)All ports support a half / full duplex mode auto-negotiationUsing storage-forward switch modeSupport MAC address self-learningSupport port bandwidth control and broadcast storm controlSupport for link aggregation, can be configured eight aggregation groups, each group up to 24 ports, providing LACP status displaySupport RSTP (rapid spanning tree protocol) and RSTP status displaySupport IGMP (V1, V2) Snooping (Multicast applications), and IGMP status displaySupport Port based VLAN, 802.1Q VLANSupport for 802.1x-RADIUS authentication and IP address filtering security strategySupport for port-based, 802.1p and DSCP prioritySupport port mirroring and port traffic statistics functionSupport for Ping configuration and cable diagnosticsSupport for import and export configuration filesSupport Console port managementSupport pure English WEB management interfaceDynamic LED indicator to show the state of equipment and provide a simple troubleshooting19 inch standard rack-mounted steel design