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2 million packets per second Layer 3 (MSFC): 15 million packets per second 603 1041_05F9_c2 © 1999, Cisco Systems, Inc. Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. scr 98 49 Agenda • • • • • • • • 603 1041_05F9_c2 Introduction and Definition of Terms Queuing Models Switching Implementations Switching Fabrics Example—Catalyst 4000 Series Example—Catalyst 8500 Series Example—Catalyst 6000 Family Example—Catalyst 5000 Family © 1999, Cisco Systems, Inc. 99 The Catalyst 5000 Family • Powerful switching solutions: Multilayer, multiprotocol switching Complete Cisco IOS network services support Integration of gigabit/ATM/Layer 3 on a common platform High-density LAN aggregation 603 1041_05F9_c2 © 1999, Cisco Systems, Inc.

Printed in USA. scr 84 42 Catalyst 6000 Series Architecture Multilayer Forwarding Table Per-Port Buffering and ASICs EARL Switching System 32 Gbps Switching Fabric Multilayer Switch Feature Card Fabric Arbitration Network Mgmt. NMP/MCP Control Bus Results Bus 512 KB PINNACLE Buffer ASIC 64 KB Buffer COIL ASIC Port 1–12 Supervisor Engine 603 1041_05F9_c2 10/100 Ethernet Module 512 KB PINNACLE Buffer ASIC Port 1–4 Gigabit Ethernet Module © 1999, Cisco Systems, Inc. 1Q • In-line rewrite capability for Layer 3 and QoS reclassification • Fast and Gigabit EtherChannel • Four groups of RMON per port • Two queues per port • Four drop thresholds per port 603 1041_05F9_c2 © 1999, Cisco Systems, Inc.

Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. , access list) updates for NFFC • Not used in Layer 3 switching itself 603 1041_05F9_c2 107 © 1999, Cisco Systems, Inc. 6 Gbps Switching Fabric Bus Arbiter RMON Statistics Network Mgmt. NMP/MCP Supervisor Engine III 603 1041_05F9_c2 LCP 256 KB Buffer Port 8 SAINT ASIC 256 KB Buffer Port 25 © 1999, Cisco Systems, Inc. Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. 6 Gbps Switching Fabric Bus Arbiter RMON Statistics Network Mgmt.

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