<P>The 3Com CoreBuilder 6000 4-slot and 12-slot chassis and CoreBuilder 2500 switch use advanced ASIC-plus-RISC switching technology to scale bandwidth and maximize network performance. Switching options range from 10 Mbps Ethernet or 16 Mbps Token Ring to dedicated 100 Mbps Fast Ethernet, 100 Mbps FDDI, or 155 Mbps ATM connections. The 3Com CoreBuilder<SUP></SUP> 2500 and 6000 High-Function Switches are the leading Layer 3 switching platforms available in the industry, combining competitive price/performance and functionality of Layer 2 switching with the advantage of multiprotocol IP, IPX, AppleTalk, and OSPF routing in a single scalable platform. </P>