Switch Type: Rackmount Standards: 802.1AB LLDP/LLDP-MED 802.1D-2004 MAC Bridging 802.1p Mapping to Priority Queue 802.1s Multiple Spanning Tree 802.1w Rapid Spanning Tree 802.1x Port-based Network Access Control 802.3 10 Base-T 802.3ab 1000 Base-T 802.3ad Link Aggregation (Dynamic and Static) 802.3ae 10 Gigabit Ethernet 802.3u 100 Base-TX 802.3x Flow Control 802.3z 1000Base-SX/LX 802.3 MAU MIB (RFC 2239) Network Management Type: Managed Jumbo Frames: 9000 bytes Ports: 48 x RJ45 + 4 x SFP MAC Address Table: 32K Security: Embedded security: 802.1x accounting MAC Authentication Bi-level Access Mode (Standard and EXEC Level) EAP pass-through support IEEE 802.1X username export in sFlow Protection against Denial of Service (DOS) attacks Stackable: Yes