The 3Com CoreBuilder 9000 enterprise switch represents a new class of LAN switch that enables IT managers to deliver a higher level of service in increas-ingly demanding environments, while, at the same time, lowering the operational costs of that network asset. The CoreBuilder 9000 switch gives IT managers a common platform that they can deploy (in different chassis sizes) across the enterprise LAN to deliver low-cost, high-density work-group access, ensure high-speed, resilient server connectivity, and create powerful, efficient back-bone interswitch links. A common platform reduces staff training and administrative overhead, and lowers maintenance costs and inventory management (by enabling redeployment and sharing of chassis interface modules). ??While providing commonality across the enterprise, the CoreBuilder 9000 switch expands the IT manager's options for managing traffic. For example, the CoreBuilder 9000 switch provides the ability to localize, prioritize, and secure tra...