48 10/100/1000 Mbps auto-sensing ports automatically detect optimal network speedsFour small form-factor pluggable GBIC module slots (SFP)All RJ45 ports with Auto-MDIX and NWay auto-negotiation supportComplies with the IEEE 802.3az (Energy Efficient Ethernet EEE) specificationSNMP Management and Remote Monitoring (RMON)SNMP V1 V2C V3 with RMON groups 1 2 3 & 9IPv4/v6 dual protocolSupports VLAN (tag-based and port-based)Provides IEEE 802.1x port-based securitySupports link aggregation (trunking)Supports bandwidth control per portSupports port mirroringSupports two types of QoS: port-based and DSCPBroadcast storm control with multicast packet rate settingsSupports 8k MAC address entriesSupports jumbo frames up to 9 kBytesSupports Rapid Spanning Tree/Spanning Tree protocolStore and forward switching architectureFull/half duplex operationConfiguration via Web browser Telnet or SSHIEEE 802.3x flow control for full duplexLEDs for power link/activity connection speedFanless design ideal for silent operationThree-Year Warranty