Enterprise Switch

The Graybar Storefront of 3Comr deployment in the campus backbone, enterprise LAN data center, MANs, and wiring closets, the CoreBuilder 9000 system offers industry-leading switching capacity. The scalable architecture of the switch supports up to 112 OC-12c (622 Mbps) ATM ports or 126 Gigabit Ethernet (1000 Mbps) ports. Layer 2 forwarding throughput on the switch exceeds 187 million packets per second (pps), and Layer 3 switching throughput scales to greater than 83 million pps. The backplane of the switch provides for a potential aggregate switching capacity of 560 Gbps, which indicates that the platform is ready for future growth.

These performance metrics make the switch suitable for the entire range of enterprise applications: high-performance server connections, wiring closet downlink aggregation, high-density wiring closets, and high-speed processing of LAN/MAN ATM traffic flows.

Available in both 16-slot and 7-slot chassis, the switch supports both core and edge port density requirements. The architectural foundation of both solutions rests on four elements: the backplane, the switching fabric, the interface modules, and the management subsystem. The backplane and management subsystem, which provide the system's raw bandwidth and central intelligence, respectively, are fixed elements that remain the same no matter how other system elements are configured.

Users can choose the technology of the switching fabric they need—either ATM or Gigabit Ethernet. Two families of interface modules, offering a complete selection of packet- and ATM-based interfaces, work with each of the switching fabrics. This modular architecture provides an unprecedented degree of configuration flexibility in such a device.

The switch's interface modules fall into two families. The module families are associated with the corresponding choice of switch fabric technology, ATM or Gigabit Ethernet.

Both interface module families will support a number of Layer 3 modules for advanced policy-based networking services. These policy-based features include wire-speed multiprotocol routing, packet-based CoS/QoS features for use over both ATM and Ethernet, MPOA server capability, and other advanced functionalities.

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