Support from Your Network Supplier, Support from 3Com | 3Com TR

3ComForum on CompuServe Online Service

3ComForum contains patches, software, drivers, and technical articles about all 3Com products, as well as a messaging section for peer support. To use 3ComForum, you need a CompuServe account.

To use 3ComForum:

1Log on to your CompuServe account.

2Type go threecom

3Press [Return] to see the 3ComForum main menu.

Support from Your Network Supplier

If additional assistance is required, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualiﬁed to provide a variety of services, including network planning, instal- lation, hardware maintenance, application training, and support services.

When you contact your network supplier for assis- tance, have the following information ready:

■A list of system hardware and software, including revision levels

■Diagnostic error messages

■Details about recent conﬁguration changes, if applicable

If you are unable to contact your network supplier, see the following section on how to contact 3Com.

Support from Your Network Supplier

F-3

Support from 3Com

If you are unable to receive support from your network supplier, technical support contracts are available from 3Com.

Contact your local 3Com sales ofﬁce to ﬁnd your authorized service provider using one of these numbers:

Regional Sales Ofﬁce	Telephone Number

3Com Corporation	800 NET 3Com or 1 408 764 5000
P.O. Box 58145	800 NET 3Com or 1 408 764 5000
5400 Bayfront Plaza	408 764 5001 (fax)
Santa Clara, California
95052-8145
U.S.A.
3Com Asia Limited	61 2 9937 5000	(Sydney)
Australia	61 2 9937 5000	(Sydney)
	61 3 9866 8022	(Melbourne)
Hong Kong	852 2501 1111
India	91 11 644 3974
Indonesia	62 21 572 2088
Japan	81 6 536 3303 (Osaka)
	81 3 3345 7251	(Tokyo)
Korea	82 2 319 4711
Malaysia	60 3 732 7910
New Zealand	64 9 366 9138
Philippines	632 892 4476
P.R. of China	8610 68492568	(Beijing)
	86 21 63501581 (Shanghai)
Singapore	65 538 9368
Taiwan, R.O.C.	886 2 377 5850
Thailand	662 231 8151 5
3Com Benelux B.V.
Belgium	32 2 725 0202
Netherlands	31 30 6029700

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3Com TR manual Support from Your Network Supplier, Support from 3Com, 3ComForum on CompuServe Online Service

Contents

Version Superstack II Switch 2000 TR User Guide For civilian agencies For units of the Department of Defense Contents Setting UP for Management Configuring with the VT100 Interface Switch 2000 TR 3COM Corporation Limited Warranty Page Conventions How to Use This GuideAbout this Guide Introduction Convention Description Related PublicationsIcon Type Description System Beneﬁts About the SuperStack II Switch 2000 TROverview System Features Link Status Summary of Features Bootp Typical Applications of Token Ring Switching Ring Segmentation 2Using Switch 2000 TR to Segment Network Status and Activity LEDs LCD Status Display Front Panel LCD Display Buttons RJ-45 PortsFront Panel LEDs Rear Panel Optional Slide-In Modules Fddi Module Summary of ATM Features Beneﬁts of TR-in-FE Summary of Fddi Module FeaturesToken Ring-in-Fast Ethernet TR-in-FE Module Beneﬁts of Fddi Summary of TR-in-FE Module Features ATM Migrating to High-speed Technologies Source Route Bridging SRT Token Ring Switching ConceptsHigh-speed Cascade Connectors Why Token Ring Switching? Bridge Table Transparent Bridging TP IBM Spanning Tree Source Route Transparent BridgingSpanning Tree 802.1d Spanning Tree Forwarding Modes Congestion Control Advantages of Vlan VLANs Getting Started Important Safety Information Considerations for Placement Positioning the Switch 2000 TR Replacing the Fuse Installing the Slide-in ModulesPower Supply and Fuse Conﬁguration Guidelines 2Inserting a Slide-in Module into a Switch 2000 TR Stack Mounting Installing the Switch 2000 TRRack Mounting Wall Mounting Connecting a VT100 Terminal Connecting Redundant Power SystemConnecting to the Serial Port Device Defaults Bpdu Address C0-00-00-00-01-00 Stack DefaultsBridge Defaults Number of Ports Bridge Type 8CHAPTER 2 Getting Started Switch 2000 TR Management Options Setting UP for Management Via an IP Network Connection Access mechanism Allows you to UsingVT100 Management Interface Via the Serial Port Cascade Connections Conﬁguring Switch 2000 TR in StackHead Unit Obtaining Network Addresses Managing over the NetworkIP Addresses Operating IP in a Closed Network Asia Paciﬁc Management PrerequisitesEurope Choice Field Switch 2000 TR Management ConsolesSource Routing Prerequisites VT100 Console List Boxes Key Board ShortcutsEntry Field Button Correcting Text Entries Default UsersDefault Name Password Access Level VT100 Console Menu Map 4Switch 2000 TR VT100 Console Interface Menu Map Main Banner Setting Up the VT100 Console MAC Address Switch 2000 TR Management Setup FieldsLocally Admin Address Device SubNet Mask Default RouterWork Group ID Device IP Address LCD Console Buttons LCD Console Enter 802.1d LCD Console Menu MapEnter accepts Enter selection and moves to next menu Right Arrow moves to next digit IP Address Setup Setting Up the LCD Console Bootp Requests Setting Up BootpBootp State Setting Up Bootp Auto Logout 13Switch 2000 TR Auto Logout Screen Upgrading Software Ware Upgrade Upgrading Module Software LCD Console Reset Resetting the Switch 2000 TRVT100 Console Reset Power Cycle Reset Vlan Configuring with the VT100 Interface 2Main Menu with Quick Setup Highlighted Quick Setup Bridge Conﬁguration Setting Source Routing Transparent VT100 Setting Transparent Bridging Setting Source Route Bridging Spanning Tree Parameters Spanning Tree Fields Port Conﬁguration Setting Up PortsSetting the Port Admin. State Setting Vlan ID Setting Congestion Control Setting Port PersonalitySetting Port Priorities Dynamic Cut-Thru Threshold% Setting Port SpeedSetting Forwarding Mode Setting the Locally Admin. Address Rising Action Setting Broadcast Storm ControlRising Threshold% Falling Threshold% Port Bridge Conﬁguration 8Switch 2000 TR Port Bridge Setup Screen Stack Conﬁguration Setting Up the StackModule Conﬁguration Vlan Conﬁguration Bootp Client Specifying a Backbone Port Assigning a Port to a Vlan Unit Conﬁguration Setting Up the Unit Roving Analysis Administrative ConﬁgurationPower On Self Test 13TR Local Security Screen Setting Local Security Deleting Users Creating New Users Community String-Enter a new community string Editing Users and Changing Passwords Database Entry Methods About the Switch Database SDBDatabase Entries 17TR Management Screen Switch Database Conﬁguration Finding Entries in the Database Snmp Trap ConﬁgurationAdding Entries to the Database Deleting Entries from the Database Serial Port Conﬁguration 19TR Trap Setup Screen Flow Control Connection TypeDCD Control DSR Control 21Switch 2000 TR Initialization Screen Initializing the Switch 2000 TR Configuring with the LCD Console 2CHAPTER 5 Configuring with the LCD Console Viewing Link State Setting Port ID Setting Speed Setting Port State Press Enter to conﬁrm the personality on the port Module Type Module Locating Statistics Monitoring the Switch 2000 TR 2Unit Statistics Screen Unit Statistics 3TR Port Statistics Screen Port Statistics 4Sample TR Port Statistics Trafﬁc Screen Port Statistics Trafﬁc Port Statistics 5TR Stack Status Screen Stack Status 6Status Screen Status 7TR Fault Log Screen Fault Log 8TR Remote Poll Screen Remote Polling Ping Status Switch 2000 TRSwitch 2000 TR Status LCD Status What are VLANs? Virtual Lans How VLANs Provide Extra Security Beneﬁts of VLANsHow VLANs Ease Change and Movement How VLANs Control Broadcast Trafﬁc Connecting VLANs to a Router VLANs and the Switch 2000 TRDefault Vlan and Moving Ports From the Default Vlan Extending VLANs into an ATM Network Connecting Common VLANs Between Switch UnitsUsing Non-routable Protocols Using Unique MAC Addresses Vlan 6CHAPTER 7 Virtual Lans Software Upgrade Command Utility Software Upgrade UtilitySoftware Upgrade Utility Command Set For Example Starting the Software Upgrade Utility After the Download Using the CommandsResetting to Factory Defaults Downloading a New Software Image Status Messages Screen Accessible to Screen Access RightsAccess Rights Table Status Monitor Manager Security Fault Log Setup DB9 Female Serial Port Cable PIN-OUTSNull Modem Cable Cabling for Module Options 2APPENDIX C Serial Port Cable PIN-OUTS Troubleshooting Procedures Troubleshooting If server fails to attach to ports 1 through You forget your password and cannot logIf Power LED is Yellow If port fails to join ring Physical Dimensions Speciﬁcations for Module Options Technical Support Online Technical Services3Com Bulletin Board Service Access by Analog Modem Country Telephone Number 3ComFacts Automated Fax ServiceAccess by Digital Modem 408 654 2706 or 408 654 Support from 3Com 3ComForum on CompuServe Online ServiceSupport from Your Network Supplier Returning Products for Repair Index Ping Page Virtual LAN Trunks. See VLTs Vlan Setup screen Hardware 3Com Corporation Limited Warranty