3Com TR Ring Segmentation

Ring Segmentation 1-5

Ring Segmentation

High-speed switches offer a more efﬁcient solution over 2-port PC bridges or routers. As illustrated below, segmentation

with a Token Ring switch brings immediate improvement over existing networks by re-distributing trafﬁc

Figure 1-2 Using Switch 2000 TR to Segment Network

SuperStack II Switch 2000 TRs

SuperStack II Hub TR

NETBuilder II

Direct attach Workstations/Servers

Connected with high-speed cascade

16 Mbps

4 Mbps

16 Mbps

Server

16 Mbps

Contents

Main 3Com Corporation 95052-8145 Santa Clara, California 5400 Bayfront Plaza C ONTENTS TARTED S ETTING U ANAGEMENT M FOR NTERFACE VT100 I WITH ONFIGURING 5 ONSOLE PECIFICATIONS S ECHNICAL F UPPORT ARRANTY S ECHNICAL Page A BOUT Conventions How to Use This Guide Introduction Related Publications O VERVIEW System Benets II Switch 2000 TR About the SuperStack System Features Summary of Features Typical Applications of Token Ring Switching Ring Segmentation 1-5 Ring Segmentation Figure 1-2 Using Switch 2000 TR to Segment Network 1-6 CHAPTER 1: OVERVIEW The Front Panel Figure 1-3 SuperStack II Switch 2000 TR Front Panel RJ-45 Ports RJ-45 Ports Front Panel LEDs 1-8 CHAPTER 1: OVERVIEW The Rear Panel * Refer to the appropriate module installation manual for more information. Figure 1-5 Switch 2000 TR Rear Panel Power Socket Serial Number Optional Slide-In Modules The ATM Module The FDDI Module The Token Ring-in-Fast Ethernet (TR-in-FE) Module Page Migrating to High-speed Technologies 1-13 Migrating to High-speed Technologies Figure 1-6 Using Switch 2000 TR for Migration to High-Speed Technologies Direct attach Workstations SuperStack II Switch 1000 TX High-speed Cascade Connectors Token Ring Switching Concepts Why Token Ring Switching? Source Route Bridging (SRT) Transparent Bridging (TP) Source Route Transparent Bridging Spanning Tree Congestion Control Forwarding Modes VLANs 2 Important Safety Information Positioning the Switch 2000 TR Considerations for Placement Conguration Guidelines Power Supply and Fuse Replacing the Fuse Installing the Slide-in Modules Page Installing the Switch 2000 TR Rack Mounting Wall Mounting Stack Mounting Connecting Redundant Power System Connecting to the Serial Port Connecting a VT100 Terminal Device Defaults Device Defaults 2-7 Page 3 Switch 2000 TR Management Options VT100 Management Interface Via the Serial Port Via an IP Network Connection Conguring Switch 2000 TR in Stack 3-3 Conguring Switch 2000 TR in Stack 6 5 4 3 2 1 Managing over the Network IP Addresses Operating IP in a Closed Network Obtaining Network Addresses Management Prerequisites Source Routing Prerequisites Switch 2000 TR Management Consoles The VT100 Console Key Board Shortcuts Correcting Text Entries Default Users VT100 Console Menu Map 3-9 VT100 Console Menu Map Figure 3-4 displays the menu structure for the Switch 2000 TR VT100 console interface. Figure 3-4 Switch 2000 TR VT100 Console Interface Menu Map Setting Up the VT100 Console Switch 2000 TR Management Setup Fields Page The LCD Console LCD Console Buttons Switch 2000 TR Unit Id: 1 Switch 2000 TR Unit Id. 1 3-14 CHAPTER 3: SETTING UP FOR MANAGEMENT LCD Console Menu Map > I/O Module > Status > Management > Bridge Switch 2000 TR Unit Id: 1 Switch 2000 TR Unit Id. 1 Setting Up BOOTP Page Auto Logout Upgrading Software Upgrading Module Software Resetting the Switch 2000 TR VT100 Console Reset LCD Console Reset Reset Button Power Cycle Reset 4 Quick Setup Bridge Conguration Setting Source Routing Transparent (VT100) Setting Source Route Bridging Setting Transparent Bridging Spanning Tree Fields Port Conguration Setting Up Ports Setting the Port Admin. State Setting VLAN ID Setting Port Personality Setting Port Priorities Setting Congestion Control Setting Port Speed Setting Forwarding Mode Dynamic Cut-Thru Threshold% Setting the Locally Admin. Address Setting Broadcast Storm Control Port Bridge Conguration I/O Module Conguration Stack Conguration Setting Up the Stack Setting VLAN Conguration Page Unit Conguration Setting Up the Unit Administrative Conguration Setting Local Security Creating New Users Deleting Users Editing Users and Changing Passwords About the Switch Database (SDB) Database Entries Database Entry Methods Switch Database Conguration Adding Entries to the Database Deleting Entries from the Database Finding Entries in the Database SNMP Trap Conguration Serial Port Conguration Page Initializing the Switch 2000 TR 5 Unit Conguration Bridge Conguration Port Conguration > Port Setting Port ID ENTER ENTER Switch 2000 TR Viewing Link State Setting Port State Setting Speed Setting Port Personality I/O Module Conguration > I/O Module Switch 2000 TR 6 Locating Statistics Unit Statistics Port Statistics Port Statistics (Trafc) Page Stack Status Status Fault Log Remote Polling (PING) LCD Status 7 What are VLANs? Benets of VLANs How VLANs Ease Change and Movement How VLANs Control Broadcast Trafc How VLANs Provide Extra Security VLANs and the Switch 2000 TR The Default VLAN and Moving Ports From the Default VLAN Connecting VLANs to a Router Connecting Common VLANs Between Switch Units Page Page A Software Upgrade Utility Command Set Starting the Software Upgrade Utility Using the Commands Resetting to Factory Defaults Downloading a New Software Image After the Download Status Messages B Access Rights Table B-2 APPENDIX B: SCREEN ACCESS RIGHTS C Null Modem Cable Cabling for Module Options Page D Troubleshooting Procedures Page E T Physical Dimensions Specications for Module Options F Online Technical Services World Wide Web Site 3Com Bulletin Board Service 3ComFacts Automated Fax Service 3ComForum on CompuServe Online Service Support from Your Network Supplier Support from 3Com F-4 APPENDIX F: TECHNICAL SUPPORT Returning Products for Repair INDEX Numbers A B C L M N O P S T U V W 3Com Corporation LIMITED WARRANTY H S STANDARD WARRANTY SERVICE WARRANTIES EXCLUSIVE