DES-6000 Modular Ethernet Switch User's Guide Second Edition (April 2001) 6DES6000..02 Printed In Taiwan RECYCLABLE TABLE OF CONTENTS ABOUT THIS GUIDE ................................................................................................................................................................V CONVENTIONS ............................................................................................................................................................................ V OVERVIEW OF THIS USER'S GUIDE.............................................................................................................................................. V INTRODUCTION........................................................................................................................................................................1 FAST ETHERNET TECHNOLOGY....................................................................................................................................................1 GIGABIT ETHERNET TECHNOLOGY ..............................................................................................................................................1 SWITCHING TECHNOLOGY ...........................................................................................................................................................2 FEATURES ....................................................................................................................................................................................2 Chassis.....................................................................................................................................................................................2 Modules....................................................................................................................................................................................3 CPU Module .............................................................................................................................................................................................3 10BASE-T/100BASE-TX Module............................................................................................................................................................3 100BASE-FX (MT-RJ) Module................................................................................................................................................................4 1000BASE-T (RJ-45) Module ..................................................................................................................................................................4 1000BASE-SX (SC) Module ....................................................................................................................................................................4 1000BASE-LX (SC) Module ....................................................................................................................................................................4 Power Supply Modules .............................................................................................................................................................................4 UNPACKING AND SETUP........................................................................................................................................................6 UNPACKING .................................................................................................................................................................................6 SETUP ..........................................................................................................................................................................................6 DESKTOP OR SHELF INSTALLATION .............................................................................................................................................7 RACK INSTALLATION ...................................................................................................................................................................7 INSTALLING MODULES.................................................................................................................................................................8 CONNECTING A TERMINAL...........................................................................................................................................................9 POWER ON....................................................................................................................................................................................9 Power Failure ........................................................................................................................................................................10 IDENTIFYING EXTERNAL COMPONENTS ......................................................................................................................11 FRONT PANEL ............................................................................................................................................................................11 SIDE PANELS..............................................................................................................................................................................11 OPTIONAL PLUG-IN MODULES ...................................................................................................................................................12 10BASE-T/100BASE-TX Module ...........................................................................................................................................12 100BASE-FX (MT-RJ) Module ..............................................................................................................................................12 1000BASE-T (RJ-45) Module ................................................................................................................................................13 1000BASE-SX (MT-RJ) Gigabit Module ...............................................................................................................................13 1000BASE-SX (SC) Gigabit Module......................................................................................................................................14 1000BASE-LX (SC) Gigabit Module .....................................................................................................................................14 Power Supply Modules ..........................................................................................................................................................15 LED INDICATORS ......................................................................................................................................................................15 CONNECTING THE SWITCH ...............................................................................................................................................16 SWITCH TO END NODE ...............................................................................................................................................................16 SWITCH TO HUB OR SWITCH ......................................................................................................................................................16 10BASE-T Device ..................................................................................................................................................................17 100BASE-TX Device ..............................................................................................................................................................17 1000BASE-T Device ..............................................................................................................................................................17 CABLE LENGTHS........................................................................................................................................................................18 SWITCH MANAGEMENT CONCEPTS................................................................................................................................19 LOCAL CONSOLE MANAGEMENT ...............................................................................................................................................19 Diagnostic (Console) Port (RS-232 DCE).............................................................................................................................19 IP ADDRESSES AND SNMP COMMUNITY NAMES ......................................................................................................................20 TRAPS ........................................................................................................................................................................................20 MIBS .........................................................................................................................................................................................21 PACKET FORWARDING ...............................................................................................................................................................22 Aging Time.............................................................................................................................................................................22 Filtering Database.................................................................................................................................................................22 SPANNING TREE ALGORITHM ....................................................................................................................................................22 STA Operation Levels ............................................................................................................................................................23 On the Bridge Level................................................................................................................................................................................23 On the Port Level ....................................................................................................................................................................................23 User-Changeable STA Parameters........................................................................................................................................24 Illustration of STA..................................................................................................................................................................24 PORT TRUNKING ........................................................................................................................................................................26 VLANS & BROADCAST DOMAINS.............................................................................................................................................26 MAC-based Broadcast Domains ...........................................................................................................................................27 802.1Q VLANs .......................................................................................................................................................................27 802.1Q VLAN Segmentation ..................................................................................................................................................................27 Sharing Resources Across 802.1Q VLANs.............................................................................................................................................28 802.1Q VLANs Spanning Multiple Switches .........................................................................................................................................28 Port-based VLANs .................................................................................................................................................................30 BROADCAST STORMS.................................................................................................................................................................31 Segmenting Broadcast Domains............................................................................................................................................31 Eliminating Broadcast Storms ...............................................................................................................................................31 USING THE CONSOLE INTERFACE........................................... ...