The LAN-3101B is a 6-port, full/half duplex, Ethernet/Fast Ethernet SmartMetrics module for the SMB-600 or SMB-6000B chassis. Two of these modules (12 ports) may be used in an SMB-600 chassis. Twelve LAN-3101B modules may be used in an SMB-6000B chassis, providing a total of 72 SmartMetrics ports. Up to 64K flows on each stream via IP source or destination addresses. Capture: Full line-rate capture and analysis; Frame Length: 18-2,006 bytes; Frame selection: entire frame only; 6500 frame capture buffer for frames.