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3Com DUA1770-0AAA04 manual How do you obtain a registered IP Address?

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58CHAPTER 4: PROBLEM SOLVING

How do you obtain a registered IP Address?

The IP registration system ensures that every IP address used is unique; if you do not have a registered IP address, you may be using an identical address to someone else and your network will not operate correctly.

InterNIC Registration Services is the organization responsible for supplying registered IP addresses. The following contact information is correct at time of publication:

World Wide Web site: http://www.internic.net

If your IP network is internal to your organization only, that is, you do not access the Internet, you may use any arbitrary IP address as long as it is not being used by another device on your network. 3Com suggests you use addresses in the series 192.160.100.X (where X is a number between 1 and 254) with a subnet mask of 255.255.255.0. These suggested IP addresses are part of a group of IP addresses that have been set aside specially for use ‘in house’ only.

These suggested IP addresses are part of a group of IP addresses that have been set aside specially for use ‘in house’ only.

Solving Software You can upgrade the management software of the Switch by using the

Upgrade Problems System > Control > Software Upgrade operation in the Web Interface, or the system control softwareUpgrade command in the command line interface. For details on these options, refer to the Management Interface Reference Guide supplied in HTML format on the CD-ROM that accompanies your Switch.

If you have problems with your software upgrade, refer to the Problem

Solving section in the Management Interface Reference Guide.

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3Com DUA1770-0AAA04 manual How do you obtain a registered IP Address?

Contents

Switch 4950 3C17706 Switch 4900 Series Getting Started GuideSwitch 4900 3C17700 Switch 4900 SX 3C17702 Switch 4924 3C17701 SuperStackEnd of Life Statement UNITED STATES GOVERNMENT LEGENDENVIRONMENTAL STATEMENT Regulated Materials Statement2 INSTALLING THE SWITCH CONTENTS1 INTRODUCING THE SUPERSTACK 3 SWITCH 4900 SERIES ABOUT THIS GUIDEChoosing the Correct Fiber Cables 3 SETTING UP FOR MANAGEMENTSNMP Management C TECHNICAL SPECIFICATIONS D TECHNICAL SUPPORT PROBLEM SOLVINGSAFETY INFORMATION PIN-OUTSPage ABOUT THIS GUIDE Notice Icons ConventionsCommands Table 2 Text ConventionsDocumentation RelatedDocumentation documentation Documentation ProductRegistration Comments1000BASE-SX Ports GBIC Ports LEDs Switch - Rear View Detail About the Switches Summary of Hardware FeaturesSwitch - Front View Detail 100/1000BASE-T and 10/100/1000BASE-T Ports Unit Information Label Power Socket Redundant Power System Socket12 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4900 SERIES Hardware Features Switches Table 3 Hardware featuresFigure 2 Switch 4900 SX - front view Switch - Front View DetailFigure 1 Switch 4900 - front view 14 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4900 SERIESFigure 3 Switch 4924 - front view Figure 4 Switch 4950 - front view Switch - Front View DetailPorts cross-over Color Power/Self Test LEDTable 4 LED behavior IndicatesFigure 5 Switch 4900 - rear view Switch - RearView Detail Figure 6 Switch 4900 SX - rear viewPower Socket supported by your Switch Default Settingsthe Switch units, it is returned to these defaults The Power-up Sequence Switch 4950 - GBIC Operation INSTALLING THE SWITCHPackage Contents Choosing a Suitable Site Rack-mounting Placing Units On Top of Each Other Creating an XRN Distributed FabricChoosing a Suitable Package ContentsSite Rack-mounting 4 Repeat steps 2 and 3 for the other side of the Switch The maximum number of Switch units that can be interconnected is two Switch The Power-upPowering-up the SequenceIf there is evidence of a problem, see “Solving Problems Indicated by Fiber Cables Approved GBIC Switch 4950 - GBICOperation TransceiversFiber SC connector Type 4 GBIC with internal EEPROM fitted 3 The transceiver connects to the network using a duplex SC connector. Attach a male duplex SC connector on the network cable into the duplex SC connector on the transceiver 32 CHAPTER 2 INSTALLING THE SWITCH Viewing Automatically Configured IP Information SETTING UP FOR MANAGEMENTSetting Up Overview Manually Configuring IP Information Methods of Managing a Switchwhole setup process is summarised in Figure 12. Detailed procedural Setting UpOverview Figure 12 Initial Switch Setup and Management Flow diagramManual IP Configuration Automatic IP Configurationon page You should use the automatic IP configuration method ifManually Configuring IP Information Pre-requisitesSetting Up the Switch with IP Information Connecting the Workstation to the SwitchConfiguring the Workstation with IP Information IP addressUsing Command Line Interface via Telnet Figure 14 Example top-level command line interface menu Pre-requisitesConnecting the Workstation to the Switch You can find pin-out diagrams for both cables in Appendix B on pageFigure 15 Connecting a workstation to the Switch via the console port Figure 16 Example top-level command line interface menu Setting Up the Switch with IP Information42 CHAPTER 3 SETTING UP FOR MANAGEMENT Automatically Configured IPViewing Information44 CHAPTER 3 SETTING UP FOR MANAGEMENT Connecting the Workstation to the SwitchPre-requisites Viewing IP Information via the Console Port Figure 18 Example top-level command line interface menu 46 CHAPTER 3 SETTING UP FOR MANAGEMENTRefer to “Setting Up Command Line Interface Management” on page Refer to “Setting Up Web Interface Management” on pageusing Telnet Command LineRefer to “Setting Up SNMP Management” on page Interfacetelnet Setting Up Webdescribed in “Setting Up Overview” on page Choosing a Browser50 CHAPTER 3 SETTING UP FOR MANAGEMENT Over the Networkhttp//xxx.xxx.xxx.xxx c\ pingPasswords Setting Up SNMPDefault Users and system management snmp community command - refer to theThe gettingStarted command on the CLI, or The security device user modify command on the CLI, orYou can change the default passwords using either Default UsersSolving Problems Indicated by LEDs Solving Hardware Problems PROBLEM SOLVINGSolving Communication Problems Solving Software Upgrade Problems The Power LED does not light Solving Problemssolutions below On powering-up, the Power/Self Test LED lights yellowSolving Hardware ProblemsA fan failure warning message is received Error message indicating that the GBIC transceiver is faulty Error message indicating that the GBIC transceiver is invalidUnit fails, no SNMP fan failure message is received Solving Communication Problems IP AddressingHow do you obtain a registered IP Address? SAFETY INFORMATION Important Safety Information Important Safety Information 62 APPENDIX A SAFETY INFORMATION L’information de Sécurité Importante AVERTISSEMENT France et Pérou uniquement 3CGBIC91 GBIC SX 3CGBIC92 GBIC LX 3CGBIC97 GBIC LH70 Wichtige Sicherheitsinformationen VORSICHT EuropeWichtige Sicherheitsinformationen 68 APPENDIX A SAFETY INFORMATION B PIN-OUTS PC-AT Serial CableAssignments Modem CableRJ-45 Pin Pin assignments are identical for 10/100BASE-T and 1000BASE-T RJ-4510/100BASE-T Table 11 Pin assignmentsPin Number 1000BASE-T72 APPENDIX B PIN-OUTS 413 mm 16.27 in. not including bulge. Weight 6.4 Kg 14.10 lbs TECHNICAL SPECIFICATIONSSwitch 4900 SX Height 65.8 mm 2.59 in. x Width 440 mm 17.3 in 413 mm 16.27 in. not including bulge. Weight 6.91 Kg 15.23 lbsHeat Dissipation Power SupplyProtocols Used for Administration Standards SupportedOnline Technical ServicesServices World Wide Web SiteUsername anonymous Latin America Asia, Pacific RimEurope, Middle East and Africa aprtechnicalsupport@3com.comCountry CountryTelephone Number Telephone NumberReturning Products for Repair Country CountryTelephone Number Telephone NumberINDEX NumbersPage FCC STATEMENT How to Identify and Resolve Radio-TV Interference ProblemsREGULATORY NOTICES INFORMATION TO THE USER