48 10/100/1000 Mbps auto-sensing ports automatically detect optimal network speeds Four small form-factor pluggable GBIC module slots (SFP) All RJ45 ports with Auto-MDIX and NWay auto-negotiation support Complies with the IEEE 802.3az (Energy Efficient Ethernet EEE) specification SNMP Management and Remote Monitoring (RMON) SNMP V1, V2C, V3 with RMON groups 1, 2, 3 & 9 IPv4/v6 dual protocol Supports VLAN (tag-based and port-based) Provides IEEE 802.1x port-based security Supports link aggregation (trunking) Supports bandwidth control per port Supports port mirroring Supports two types of QoS: port-based and DSCP Broadcast storm control with multicast packet rate settings Supports 8k MAC address entries Supports jumbo frames up to 9 kBytes Supports Rapid Spanning Tree/Spanning Tree protocol Store and forward switching architecture Full/half duplex operation Configuration via Web browser, Telnet or SSH IEEE 802.3x flow control for full duplex LEDs for power, link/activity, connection speed Fanless design ideal for silent operation Three-Year Warranty