Ring Segmentation | 3Com TR manual

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

.

4Mbps

16	Mbps

SuperStack

			II	Hub	TR
			II	Hub
			SuperStack
II	Hub		TR				II	Hub	TR
			TR					Hub

							SuperStack
							SuperStack
16		Mbps
16
				II		Hub	TR
						Hub

			SuperStack

16	Mbps

16

Mbps

Workstations/Servers
attach
Direct
16	Mbps
16

Server

II

NETBuilder

		2000	TRs	cascade
	IISwitch	2000
		-speed
		-speed
SuperStack	with	high
Connected

Server

Figure 1-2Using Switch 2000 TR to Segment Network

Image 15

3Com manual Ring Segmentation, 2Using Switch 2000 TR to Segment Network

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 Related Publications Icon Type DescriptionConvention Description About the SuperStack II Switch 2000 TR OverviewSystem Beneﬁts 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 RJ-45 Ports Front Panel LEDsLCD Display Buttons 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 Conﬁguring Switch 2000 TR in Stack Head UnitCascade Connections Obtaining Network Addresses Managing over the NetworkIP Addresses Operating IP in a Closed Network Management Prerequisites EuropeAsia Paciﬁc Choice Field Switch 2000 TR Management ConsolesSource Routing Prerequisites VT100 Console List Boxes Key Board ShortcutsEntry Field Button Default Users Default Name Password Access LevelCorrecting Text Entries VT100 Console Menu Map 4Switch 2000 TR VT100 Console Interface Menu Map Main Banner Setting Up the VT100 Console Switch 2000 TR Management Setup Fields Locally Admin AddressMAC 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 Setting Up Bootp Bootp StateBootp Requests Setting Up Bootp Auto Logout 13Switch 2000 TR Auto Logout Screen Upgrading Software Ware Upgrade Upgrading Module Software Resetting the Switch 2000 TR VT100 Console ResetLCD 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 Port Personality Setting Port PrioritiesSetting Congestion Control 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 Setting Up the Stack Module ConﬁgurationStack Conﬁguration Vlan Conﬁguration Bootp Client Specifying a Backbone Port Assigning a Port to a Vlan Unit Conﬁguration Setting Up the Unit Administrative Conﬁguration Power On Self TestRoving Analysis 13TR Local Security Screen Setting Local Security Deleting Users Creating New Users Community String-Enter a new community string Editing Users and Changing Passwords About the Switch Database SDB Database EntriesDatabase Entry Methods 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 VLANs and the Switch 2000 TR Default Vlan and Moving Ports From the Default VlanConnecting VLANs to a Router 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 Utility Software Upgrade Utility Command SetSoftware Upgrade Command Utility For Example Starting the Software Upgrade Utility After the Download Using the CommandsResetting to Factory Defaults Downloading a New Software Image Status Messages Screen Access Rights Access Rights TableScreen Accessible to 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 3ComForum on CompuServe Online Service Support from Your Network SupplierSupport from 3Com Returning Products for Repair Index Ping Page Virtual LAN Trunks. See VLTs Vlan Setup screen Hardware 3Com Corporation Limited Warranty