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DUA1640-5AAA02

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ANAGEMENT

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What’s new

There are some new and updated windows and dialog boxes in Quick
Config Manager since the previous version (3.00). This is mainly to
include the new PS Hub 50 functionality:

■

Zoom View (updated)

■

Access Information (updated)

■

Switch Configuration (new)

■

Software Upgrade (updated)

■

Launch Load Balancing Tool (new)

Installing Quick
Config Manager
and the
Load Balancing Tool

This section has information on what you need to install Quick Config
Manager and how to install it. The Load Balancing Tool is installed by
the Quick Config Manager installation program.

Installation

Requirements

Quick Config Manager and the Load Balancing Tool require an IBM
compatible PC with at least a 486/33 processor. Your system must also
include:

■

Microsoft Windows 3.1 or later
or Windows ‘95
or Windows NT.

The Load Balancing Tool only installs and runs on a Windows ‘95 or
Windows NT system.

■

MS-DOS 5.0 or later (not needed for Windows ‘95).

■

Minimum of 13MB available hard disk space.

■

Minimum of:

■

8MB RAM for Windows 3.1 or later.

■

16MB RAM for Windows ‘95 or Windows NT.

All RAM above the first megabyte must be configured as
extended memory.

■

CD-ROM drive.

■

VGA color monitor or higher.

■

Mouse.

■

Console port capable of 9600 baud, no parity, 8 data bits (character
size), 1 stop bit.

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Содержание PS Hub 40

Страница 1: ...http www 3com com SuperStack II PS Hub User Guide 3C16405 PS Hub 40 12 port 3C16406 PS Hub 40 24 port 3C16450 PS Hub 50 24 port Part No DUA1640 5AAA02 Published July 1997...

Страница 2: ...set forth in subparagraph a through d of the Commercial Computer Software Restricted Rights Clause at 48 C F R 52 227 19 and the limitations set forth in 3Com Corporation s standard commercial agreeme...

Страница 3: ...E PS HUB Introduction 1 1 Features 1 2 How You Can Use the PS Hub 1 4 Building Up a Network 1 4 Expanding an Existing Network 1 5 Migrating to Higher Performance 1 6 Workgroups 1 7 What Are Workgroups...

Страница 4: ...ade Cables 3 13 Using Cascade Cables 3 14 Using Hot Swap Cascade Units 3 15 Connecting Different Hubs and Stacks to Your Hub 3 16 Powering On the Units 3 17 Spot Checks 3 17 4 LOAD BALANCING Overview...

Страница 5: ...n 6 2 Logging Off 6 3 Using the CLI Menus 6 4 CLI Menu Structure 6 4 Navigating the Menus and Entering Commands 6 5 Quick Guide to the Commands 6 6 Commands 6 7 Changing the Password 6 7 Setting the I...

Страница 6: ...ss Management 7 16 Management Settings Pages 7 17 Documentation 7 17 Getting Started 7 18 Password Setting 7 19 System Name 7 19 Configuration Pages 7 20 Initialize 7 20 Load Balancing 7 20 Reset 7 20...

Страница 7: ...onfig Manager B 4 Configuring Multiple Stacks B 4 Selecting Your Management Access Method Windows 95 and Windows NT only B 5 Quick Config Manager Window Map B 5 Accessing the Stack B 8 Giving the Stac...

Страница 8: ...tility D 1 Solving Problems With the Agent Upgrade Utility D 3 E TECHNICAL SUPPORT Online Technical Services E 1 World Wide Web Site E 1 3Com Bulletin Board Service E 1 3ComFacts Automated Fax Service...

Страница 9: ...proved for the country where it will be used The appliance coupler that is the connector to the device itself and not the wall plug must have a configuration for mating with an EN60320 IEC320 applianc...

Страница 10: ...isolation transformer ratio 1 1 with the secondary connection point labelled Neutral connected directly to Earth Ground U K only The PS Hub is covered by Oftel General Approval NS G 12345 J 100003 for...

Страница 11: ...s curit europ ennes La cordon d alimentation surmoul doit tre approuv pour le pays auquel il sera utilis Le socle de connecteur c est dire le connecteur l appareil lui m me et non pas la prise murale...

Страница 12: ...tre aliment e par 230V 2P T via un rapport de transformation d isolation de 1 1 avec un point de connexion secondaire tiquet Neutre branch directement la Terre la Masse Les ports RJ45 de paire tordue...

Страница 13: ...Ger t selbst im Gegensatz zum Wandstecker mu in den EN60320 IEC320 Zuf hrungsstecker am Ger t passen Es ist wichtig da der Netzstecker sich in unmittelbarer N he zum Ger t befindet und leicht erreich...

Страница 14: ...Power System an diese Steckdose anschlie en F r weitere Angaben die genauen Einbauanweisungen im Handbuch zum Redundant Power System befolgen Die Einheit ist unter keinen Umst nden an einen Wechselstr...

Страница 15: ...escribed in this guide If you are familiar with the PS Hub and know how the PS Hub s port switching and segments work you may only want to know how the PS Hub 40 and PS Hub 50 are different refer to C...

Страница 16: ...formation on using the Command Line Interface to set up the hub for management Chapter 6 Information on using the web interface to manage the hub or stack of hubs Chapter 7 Information on solving any...

Страница 17: ...e value Commands are not case sensitive Screen displays This typeface represents information as it appears on the screen The words enter and type When you see the word enter in this guide you must typ...

Страница 18: ...4 ABOUT THIS GUIDE...

Страница 19: ...shown in Figure 1 1 is a flexible managed Ethernet repeater which is very easy to set up and manage It can be used to build a small network or to expand a larger more established network Figure 1 1 Th...

Страница 20: ...ansceiver module slots that can be fitted with 3Com 10Mbps transceiver modules The PS Hub 50 has one transceiver module slot that can be fitted with a 3Com 10Mbps or 100Mbps transceiver module SuperSt...

Страница 21: ...pplied on the CD ROM including 3Com s Transcend Quick Configuration Manager for Windows An implementation of SNMP for management over the network using the IP protocol Support for traps messages which...

Страница 22: ...refer to Segments and Port Switching on page 1 8 Building Up a Network The PS Hub is ideal for building up a new network It has its own built in management and comes ready to use The PS Hub range is...

Страница 23: ...Hubs in the stack This provides fault tolerance because there is no single point of failure all hubs have management capability should they become isolated Figure 1 4 shows how PS Hubs can be added to...

Страница 24: ...witch called a segment switch which can interconnect the segments in the stack so that the workgroups on the segments can communicate The PS Hub 50 has a transceiver module slot which can be fitted wi...

Страница 25: ...ups as shown in Figure 1 6 Figure 1 6 Workgroups You can keep these workgroups separate from each other so that the communication is contained within each workgroup or you can use the switching functi...

Страница 26: ...and port switching you can easily create your workgroups How the PS Hub Segments Work In a stack of PS Hubs four segments are carried between the hubs by the cascade cables These segments are four se...

Страница 27: ...gure the segments You can Connect and isolate the segments from their associated cascaded segments Switch the ports between the segments port switching The ability to configure the segments allows you...

Страница 28: ...segments Each segment is more efficient Local network traffic is contained within each cascaded segment so they avoid congestion from the other segments You can increase the efficiency by using load...

Страница 29: ...be isolated from the cascaded segments so that only workstations on the same hub segment can communicate with each other Port switching enables you to extend any existing workgroups you may have acros...

Страница 30: ...network with the desired workgroups Table 1 1 shows how the users are grouped Figure 1 10 shows how the required workgroups are created using a stack of PS Hubs Figure 1 10 Workgroup Example see Tabl...

Страница 31: ...hysical connections so it can be made quickly and easily through either local or remote management Table 1 2 Changes to the Workgroups Change to workgroups Hub affected Action to implement change A B...

Страница 32: ...tion between the four cascaded segments in the stack so that your workstations can communicate across the segments For information on the PS Hub 50 refer to PS Hub 50 on page 2 2 For information on th...

Страница 33: ...they are both part of the PS Hub family and have many similar features For information on these common features refer to Features on page 1 2 Table 2 1 shows a summary of the differences between the...

Страница 34: ...0 The main feature of the PS Hub 50 over the PS Hub 40 is that it has an internal segment switch Segment Switch The segment switch is an additional part of the PS Hub 50 which links the stack s four c...

Страница 35: ...r with the associated cascaded segment Using this database the segment switch can then selectively pass future packets to the relevant cascaded segment When the switch database is full no new addresse...

Страница 36: ...r fails You could have two PS Hub 50 units in a stack of PS Hubs one at the top and one at the bottom PS Hub 50 units automatically detect each other in the stack and configure themselves so that one...

Страница 37: ...ws a stack of two PS Hub 50 units both with 100Mbps transceiver modules Both transceiver modules have a connection and appear to be equal so the bottom unit s segment is the active segment switch and...

Страница 38: ...ss are dealt with differently by the segment switch refer to How Does the Segment Switch Work on page 2 3 The configuration of the transceiver module port is different For information on what transcei...

Страница 39: ...eiver Module Using a 100Mbps transceiver module to provide a 100Mbps network connection gives you several options You can have a fast downlink to a network server or the rest of your network You can c...

Страница 40: ...DUA1640 5AAA02 2 8 CHAPTER 2 HOW THE PS HUBS DIFFER...

Страница 41: ...Quick Reference Guide The LEDs Show you how the hub and its ports are operating Show you how the hub s segments are operating Alert you to a potential problem with your network The different types of...

Страница 42: ...DUA1640 5AAA02 3 2 CHAPTER 3 USING THE PS HUB Figure 3 1 The LEDs and Ports the PS Hub 40 is shown...

Страница 43: ...DUA1640 5AAA02 LEDs and Ports 3 3...

Страница 44: ...eeded You may need to get some cables and other equipment for connecting your workstations and other hubs to the PS Hub Your supplier should stock these cables and equipment For information on how the...

Страница 45: ...your supplier in a variety of lengths refer to Cascade Connections on page A 6 For information on connecting another PS Hub to your hub refer to Connecting PS Hubs Together Stacking on page 3 12 Conne...

Страница 46: ...y cannot pull the stack over No objects are placed on top of any hub or stack Using the Rubber Feet Four standard height and two reduced height self adhesive rubber feet are supplied with the hub Do n...

Страница 47: ...labels on the rear of the hub show The product number of the hub The power safety information The four labels left on the sheet are for you to use as necessary Depending on how you are going to posit...

Страница 48: ...d Rack Mounting The hub is 1U high and fits a standard 19in rack To rack mount the hub 1 Place the hub the right way up on a hard flat surface with the front facing towards you 2 Locate a mounting bra...

Страница 49: ...on one side of the hub as shown in Figure 3 3 Figure 3 3 Locating the Brackets for Wall Mounting One Hub 3 Insert the two screws and fully tighten with a suitable screwdriver 4 Repeat the two previou...

Страница 50: ...hat the wall you are going to use is smooth flat dry and sturdy If necessary attach a piece of plywood securely to your wall Ensure that the plywood is large enough to mount the hub s on 2 Position th...

Страница 51: ...ensure that the hub performs a full reset Connecting workstations to your hub is easy Connect them using 10BASE T cables to any of the hub s 10BASE T RJ45 ports To connect a 10BASE T cable simply slot...

Страница 52: ...er module you use refer to PS Hub 50 Transceiver Module Slot on page 2 6 Connecting PS Hubs Together Stacking You can increase the number of ports in your network by connecting additional PS Hub 40 an...

Страница 53: ...f without affecting the operation of the other units in the stack The units within a stack automatically reconfigure when a unit is added or removed from the stack However if a cascade cable is discon...

Страница 54: ...the bottom unit using a cascade cable Connect the cable s connector marked UP to the UP port on the unit Connect the cable s connector marked DOWN to the DOWN port on the unit directly above it Secure...

Страница 55: ...de Units Connect the cables connectors marked DOWN to the DOWN ports on the Hot Swap Cascade Units Secure the cables by tightening the cables captive screws as tight as possible by hand 3 Starting at...

Страница 56: ...ssed MDIX The type of cable and ports used must be correct for the connection to work You can use Straight through 10BASE T cable to connect a crossover MDIX port to an uncrossed MDI port You can use...

Страница 57: ...t connections at any time After powering on the hub its Power Self Test LED flashes for a few seconds while the hub performs its self test Afterwards the LED lights green If it does not refer to Solvi...

Страница 58: ...DUA1640 5AAA02 3 18 CHAPTER 3 USING THE PS HUB...

Страница 59: ...bs The aim of load balancing is to increase total throughput across the segments in a stack providing more efficient segments As load balancing configures segments in a stack you cannot perform workgr...

Страница 60: ...PS Hubs work out which internal segments and cascaded segments are connected by a switch either through the PS Hub 50 unit s segment switch or an external switch It does this because the load balanci...

Страница 61: ...new configuration the load balancing feature completes the operation by moving the ports between the segments as required Using an External Switch The best way to interconnect the cascaded segments i...

Страница 62: ...DUA1640 5AAA02 4 4 CHAPTER 4 LOAD BALANCING...

Страница 63: ...refer to a stack of one or more PS Hubs and management station to refer to the piece of equipment you are using to manage the stack for example a computer If the stack is connected and configured as r...

Страница 64: ...specifying what equipment is allowed to communicate through the ports on the hub Set up resilience specify a backup connection that takes over should a main connection fail View statistics Configure t...

Страница 65: ...on Manager referred to as Quick Config Manager in this guide that is supplied on the CD ROM It runs under Microsoft Windows and provides an easy to use graphical management system Command Line Interfa...

Страница 66: ...as good as its management system 3Com produces a range of powerful graphical SNMP network management applications for example Transcend Enterprise Manager for Windows that give you total control over...

Страница 67: ...Using a terminal Using Quick Config Manager Over the network known as in band management Using an SNMP network management application Using a web browser Using a terminal emulator over Telnet Using Q...

Страница 68: ...hole stack If the stack is physically split in two the IP information remains with the hub and is used by its half the other half has no IP information so it becomes unmanageable over the network You...

Страница 69: ...organization only you may use any arbitrary IP address We suggest you use addresses in the series 191 1 1 X where X is a number between 1 and 254 Use the default SLIP address of 192 168 101 1 If your...

Страница 70: ...ult the hub has auto configuration enabled which will change the hub s console port settings to match those of the connected equipment and automatically detect the baud rate line speed The hub can aut...

Страница 71: ...ons and operating systems refer to the documentation that accompanies your terminal emulator for information on how to use it HyperTerminal HyperTerminal can usually be found from the Windows Start me...

Страница 72: ...ialog box appears select the serial port that you are using to connect to the hub and click OK 3 From the Settings menu in the main Terminal window select Terminal Emulation The Terminal Emulation dia...

Страница 73: ...the IP address configured Using a Telnet Terminal Emulator You can use the Telnet terminal emulator that comes with Microsoft Windows 95 called Telnet to access the hub s CLI To open the Telnet sessi...

Страница 74: ...to use a null modem cable for connecting your management station directly to the console port This should be available from your supplier There are a variety of null modem cables that you can use For...

Страница 75: ...manage the PS Hub using Quick Config Manager You can manage the hub Through the console port Over the network Windows 95 and Windows NT version 4 or later only You can perform similar management func...

Страница 76: ...ed in order to access the window When you have made your connection and installed Quick Config Manager you are ready to manage the stack Quick Config Manager uses COM 1 as the default serial port on y...

Страница 77: ...you have many hubs that you want to set up quickly with IP address information for eventual management using an SNMP network management application Simple help is provided with each command in the Co...

Страница 78: ...s soon as a Telnet session is started Initial Access The login prompt Login is displayed As the initial user enter the default user name admin and press Return at the Password prompt The first time yo...

Страница 79: ...ic Logout As a security measure a management session will be terminated if there is a period of inactivity lasting longer than 30 minutes After the session has terminated the first key that you press...

Страница 80: ...u Use the CLI by selecting options from this menu and from the others below it Each menu option is accompanied by a brief description of what that option does CLI Menu Structure Figure 6 2 shows the m...

Страница 81: ...the prompt For example to display system configuration the CLI would read Select menu option sy di As you navigate through the menus the prompt changes to display your current position in the hierarc...

Страница 82: ...found on define Sets IP and SLIP parameters page 6 8 ip display Displays IP and SLIP parameters page 6 9 capture Enables disables RMON Filter capture page 6 12 system display Displays administration i...

Страница 83: ...olving Problems With the Command Line Interface on page 8 3 To set a new password or change an existing password 1 At the top level menu enter system password 2 You are prompted for your old password...

Страница 84: ...of these values you may need to re access the hub using the new values To enter new IP settings 1 At the top level menu enter ip interface define 2 You are prompted for the hub s IP address Enter IP a...

Страница 85: ...10 minutes Operational Version 1 00 Boot Version 1 00 Hardware Version 1 00 Serial Number 2103332 This information is in the hub s MIB Management Information Base and is read only You can change the U...

Страница 86: ...and so on Description The type of unit Name The name that you have assigned to the unit State The current operating status of the unit Unit Operational Indicates that the unit is operating normally U...

Страница 87: ...r the network To initialize the stack 1 At the top level menu enter system initialize 2 The CLI asks you to confirm the initialize Enter y if you wish to proceed or n if you want to stop the initializ...

Страница 88: ...disable RMON Filter capture By default this is enabled You may wish to disable this if you have no requirement to perform RMON packet monitoring and wish to increase the security of your network To co...

Страница 89: ...ticular management method and that any necessary connections have been made refer to Web Interface on page 5 12 If you want to access the web interface through a serial link from a Windows 95 manageme...

Страница 90: ...located the stack a password panel is displayed as shown in Figure 7 1 Enter your user name and password as requested Figure 7 1 Password Panel If no passwords have been configured for the stack the d...

Страница 91: ...For information on how to use the Getting Started pages refer to Getting Started on page 7 18 Figure 7 2 The Web Interface s Front Page You are now ready to manage the stack If you are unable the acc...

Страница 92: ...anges to show the different information about the stack Figure 7 3 Components of the Web Interface General Components If you click on the Management categories on the side bar The page area changes to...

Страница 93: ...y 3Com Contacts 3Com Support Table 7 1 Management Categories Management Settings Displays information about the stack s management settings Configuration Displays information about the configuration o...

Страница 94: ...er new values if required Checkboxes Show whether options are enabled checked or disabled unchecked Click on the checkboxes to change them Action buttons Affect the information in the fields and check...

Страница 95: ...Figure 7 5 You can make changes to the information on the current page and click Apply when finished Figure 7 5 Management Category Page 2 To display another page in that management category click on...

Страница 96: ...page is redisplayed A 10BASE T or transceiver module port The Port Setup page is displayed for that port The console port The Console Port Configuration page is displayed Segment Configuration The Seg...

Страница 97: ...y the files onto your management station s local drive or place the CD ROM in a your management station s CD ROM drive Copy the files onto a network drive or place the CD ROM in a network CD ROM serve...

Страница 98: ...ed are color coded and show these conditions Black The port is enabled Green The port is enabled and has a connection Gray The port has been disabled by management Red The port has partitioned disable...

Страница 99: ...fig Manager or an SNMP network management application Unit Description The unit s product name Hardware Rev The version of hardware inside the unit MAC Address The unit s MAC Ethernet address Software...

Страница 100: ...values Figure 7 8 Management Address Page The fields are IP Address Provides a box for you to type the IP address of the stack Network Mask Provides a box for you to type the subnet mask for the IP ad...

Страница 101: ...s part of a resilient link you cannot enable or disable the port You must first delete the resilient link For more information on resilient links refer to What are Resilient Links on page 7 22 Partiti...

Страница 102: ...cannot access the unit over the network If you want to change the settings but are unsure of the correct settings to use refer to the user documentation that accompanies your terminal or modem The fie...

Страница 103: ...ociated cascaded segments Name the segments Figure 7 10 Segment Configuration To view which ports belong to a segment click on the segment button on the Unit View The graphic changes and ports that ar...

Страница 104: ...is used to add or edit permanent addresses in the active segment switch s database as shown in Figure 7 11 Figure 7 11 Permanent Address Management Page The fields are MAC Address The MAC address of...

Страница 105: ...For more information on how to set up the online help system and online documentation refer to Online Help System and Documentation on page 7 9 Figure 7 12 Documentation Page The fields are Help Speci...

Страница 106: ...ath or web address URL for the online help system and documentation files To enter a new password you can leave it blank if you don t want to change it If you have no previous knowledge of IP refer to...

Страница 107: ...not appear on the screen Figure 7 13 Password Setting Page The fields are New Password Type the new password you want to use Confirm Password Retype the password for confirmation System Name This pag...

Страница 108: ...passwords Load Balancing This page is used to initiate the load balancing feature in the stack For information on load balancing refer to Chapter 4 You can configure the stack s load balancing feature...

Страница 109: ...a resilient link However you can have Fast Ethernet Resilience in your stack with multiple PS Hub 50 units For more information refer to Fast Ethernet Resilience on page 2 5 Figure 7 14 Resilient Link...

Страница 110: ...s can be on different hubs in the stack and any network devices can be at the other ends of the links When the network is in use the stack that has been used to set up the resilient link pair monitors...

Страница 111: ...ou have more than two stacks there are a number of ways you can use resilience when linking them Remember to connect the stacks correctly for both links refer to Connecting Different Hubs and Stacks t...

Страница 112: ...ub is upgraded any configurations that have been made to it are maintained Upgrading a stack of hubs may take up to 5 minutes for each hub Figure 7 15 Software Upgrade Page The fields are Filename Typ...

Страница 113: ...cond graph shows information for the last 48 hours as shown in Figure 7 16 This page is only available if there is a PS Hub 50 in the stack Figure 7 16 Segment Graphs Page The fields are Unit Specifie...

Страница 114: ...DUA1640 5AAA02 7 26 CHAPTER 7 MANAGEMENT USING THE WEB INTERFACE...

Страница 115: ...lf Test LED flashes If you have a problem using Quick Config Manager refer to Solving Problems With Quick Config Manager on page B 29 If you have a problem with the serial web utility refer to Solving...

Страница 116: ...0BASE T port It is likely that there is a loop in your network which has caused this port to partition Examine your connections and remove the loop Each piece of equipment needs only one connection to...

Страница 117: ...e of equipment needs only one connection to your stack It could be that SQE test is enabled for the transceiver module Ensure that it is disabled on the transceiver module Solving Problems With the Co...

Страница 118: ...ort through which you are trying to access the stack has not been disabled If it is enabled check the connections and network cabling at the port Try accessing the stack through a different port If yo...

Страница 119: ...configured For information refer to Requirements for Managing Over the Network on page 5 6 Traps are not received by the SNMP network management application Check that the address of the management st...

Страница 120: ...DUA1640 5AAA02 8 6 CHAPTER 8 PROBLEM SOLVING...

Страница 121: ...achieved using the console port and an approved modem Table A 1 Dimensions Power and Operating Environment For All PS Hubs Height 43 6mm 1 7in Width 440mm 17 4in Depth 168 5mm 6 7in Operating temperat...

Страница 122: ...B Class 2 requirements of this standard The use of unscreened cables Category 3 or 5 complies with the Class A Class 1 requirements Table A 3 Standards Functional ISO 8802 3 IEEE 802 3 Safety EN 60950...

Страница 123: ...ts for the various cables that are used with the PS Hub These cables are available from your supplier 10BASE T Cable Figure A 1 Pin Numbering for 10BASE T Straight through Figure A 2 Straight through...

Страница 124: ...2 A 4 APPENDIX A DIMENSIONS STANDARDS AND CABLING Console Cable Figure A 4 Pin Numbering for Console Examples of Null Modem Cables You Can Use Figure A 5 Example of Null Modem Cabling for 9 pin Manage...

Страница 125: ...DUA1640 5AAA02 Cabling A 5 Figure A 6 Example of Null Modem Cabling for 25 pin Management Station Modem Cable Figure A 7 Example of Modem Cabling for 25 pin Management Station...

Страница 126: ...ese items Management Settings Table A 5 shows the settings you need to set your management station s serial port to if you are managing the PS Hub directly through its console port Table A 4 Cascade C...

Страница 127: ...mented in this appendix refer to the Quick Config Manager help files To invoke the help files simply select Help from the Quick Config Manager menu bar Quick Config Manager uses a familiar Windows int...

Страница 128: ...ing Tool is installed by the Quick Config Manager installation program Installation Requirements Quick Config Manager and the Load Balancing Tool require an IBM compatible PC with at least a 486 33 pr...

Страница 129: ...d installation To install Quick Config Manager 1 Start Microsoft Windows If you already have an existing Transcend management application running ensure that it is closed down 2 Insert the CD ROM into...

Страница 130: ...NI file SerialAttrib COM1 9600 n 8 1 Editing it to SerialAttrib COM2 9600 n 8 1 changes the default serial port to COM2 Before Managing with Quick Config Manager you must ensure that your management e...

Страница 131: ...method you want Quick Config Manager to use 1 From the File menu select Device Access Quick Config Manager displays the Device Access dialog box as shown in Figure B 1 Figure B 1 Device Access Dialog...

Страница 132: ...DUA1640 5AAA02 B 6 APPENDIX B MANAGEMENT USING QUICK CONFIG MANAGER Figure B 2 Quick Config Manager Window Map...

Страница 133: ...DUA1640 5AAA02 Quick Config Manager Window Map B 7...

Страница 134: ...hange the community string as soon as possible for security reasons use the Edit Access Levels dialog box but ensure you remember the community string as you cannot manage the hub without it To enter...

Страница 135: ...tion remains with the hub and is used by its half the other half has no IP information You can configure more than one hub in a stack with IP information Doing this provides the stack with backup mana...

Страница 136: ...ed If you have previously configured address information for the hub but want to go through the Easy Set Up option again you can start it by clicking on the Easy Set Up button If no previous IP inform...

Страница 137: ...T only and you change the IP address of the hub you need to change the Device Network IP Address entry in the Device Access dialog box refer to Accessing the Stack on page B 8 to continue managing the...

Страница 138: ...espective cascade segments For information on segments and how they work refer to Segments and Port Switching on page 1 8 To display the stack From the View menu select Zoom In Quick Config Manager di...

Страница 139: ...al representation It shows these conditions Green RPS active and no faults Red RPS active but has one or more faults Identifying the Ports that are Connected to a Segment You can find out what ports i...

Страница 140: ...ouble click on anything other than a port or button the General Info dialog box is displayed This is used to display and configure information about the stack Configuring Segments You can use Quick Co...

Страница 141: ...Do one of the following Double click on the graphical representation of the stack but not on a port From the Configure menu select General Info 2 In the General Info dialog box select the Segment Conf...

Страница 142: ...hub in the stack you want to configure segments for Segment Specify the segment in the hub that you want to configure Port Segment Select the ports you want to add to the segment The list shows what...

Страница 143: ...switch refer to Segment Switch on page 2 2 This functionality in Quick Config Manager is not available if there is not a PS Hub 50 in the stack To configure the segment switch 1 Do one of the followi...

Страница 144: ...uick Config Manager installation program if it is running Windows 95 or Windows NT The Load Balancing Tool only works when used over the network in band from a Windows 95 or Windows NT management stat...

Страница 145: ...ents These menu options are described in the rest of this section Changing the Community Name When you launch the Load Balancing Tool Quick Config Manager passes it the community string that it is usi...

Страница 146: ...width is being used There is one utilization bar for Each cascaded and isolated segment For example if you have a stack with two isolated segments as shown in Figure B 10 the Current Utilization page...

Страница 147: ...cascaded and isolated segments The graph displays the values as percentages When the PS Hub is powered on it starts recording the values for each segment When you view the Utilization History page inf...

Страница 148: ...that frequently communicate with each other on the same cascaded segment Figure B 12 Utilization Before and After Load Balancing Polling You can change the rate at which the Load Balancing Tool updat...

Страница 149: ...that contain users that communicate frequently You may also want to fix ports that have network equipment other than workstations connected directly to them It is a good idea to fix ports that are Us...

Страница 150: ...r the segment as shown in Figure B 13 The dialog box shows a list of all the ports in the stack that are part of that segment and whether they are currently fixed or unfixed Figure B 13 Port Configura...

Страница 151: ...ng during quiet periods of network activity possibly at night To really benefit from load balancing it is a good idea not to perform load balancing too often A suggested rate is every 24 hours CAUTION...

Страница 152: ...sabled and the Frequency and Balance At fields are disabled 3 Use the Frequency field to enter how many hours you want between each automatic load balance 4 Use the Balance At field to enter a the uti...

Страница 153: ...umentation that accompanies your terminal or modem If you change the settings by accident click Cancel to exit from the panel without changing anything If you are managing a stack of hubs this panel s...

Страница 154: ...s for each hub To upgrade the stack 1 From the Configure menu select Upgrade Quick Config Manager displays the Software Upgrade dialog box as shown in Figure B 14 This dialog box shows the units in th...

Страница 155: ...successful local management connection you need to use a standard null modem cable and have the hub s console port set to 9600 baud or auto configuration enabled These are the default settings For in...

Страница 156: ...rk it may be that Quick Config Manager s line speed has become unsynchronized with that of the hub To resolve this problem make Quick Config Manager use a different speed by changing the SerialAttrib...

Страница 157: ...using the serial web utility refer to Solving Problems With the Serial Web Utility on page C 4 Installing the Serial Web Utility The serial web utility can be installed on to a management station that...

Страница 158: ...all of the settings the serial web utility will use when it is run These default settings are already correct for connection to the hub so you should not need to change them The fields are Connection...

Страница 159: ...box which allows you to view and change some of the settings the serial web utility uses when it is run License agreement Using the Serial Web Utility Every time you want to access the web interface t...

Страница 160: ...bles You Can Use on page A 4 The following settings are different on your hub and management station Flow control Speed baud rate The hub has automatically configured its communication speed but you h...

Страница 161: ...any problems using the agent upgrade utility refer to Solving Problems With the Agent Upgrade Utility on page D 3 Using the Upgrade Utility The upgrade utility works from an MS DOS prompt It upgrades...

Страница 162: ...w the contents of the CD ROM to see the filename for this version of agent software You can also use the following parameter with the upgrade command to specify the serial COM port to use for the PC T...

Страница 163: ...not connected to the hub s COM port The null modem cable is not connected to the PC s serial port or the serial port being used is not the same as the serial port specified in the upgrade command The...

Страница 164: ...d from the hub or the PC during the file transfer Reconnect the cable and start again Power to the hub has been disrupted during the file transfer Check the power connection to the hub and start again...

Страница 165: ...n Board Service 3ComBBS 3ComFactsSM automated fax service 3ComForum on CompuServe online service World Wide Web Site Access the latest networking information on 3Com Corporation s World Wide Web site...

Страница 166: ...hours a day 7 days a week Call 3ComFacts using your Touch Tone telephone using one of these international access numbers Country Data Rate Telephone Number Australia up to 14400 bps 61 2 9955 2073 Br...

Страница 167: ...s including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready A li...

Страница 168: ...ands 32 2 725 0202 31 30 6029700 3Com Canada Calgary Montreal Ottawa Toronto Vancouver 403 265 3266 514 683 3266 613 566 7055 416 498 3266 604 434 3266 3Com European HQ 49 89 627320 3Com France 33 1 6...

Страница 169: ...mber Products sent to 3Com without RMA numbers will be returned to the sender unopened at the sender s expense To obtain an RMA number call or fax 04 22 97 Country Telephone Number Fax Number U S A an...

Страница 170: ......

Страница 171: ...protocol can assign the subnet mask and default gateway to a device bridge mode One of the segment switch s operating modes which conforms to the IEEE 802 1d specification Refers to the process of fo...

Страница 172: ...ls security restrictions imposed on incoming traffic IP address Internet protocol address A unique identifier for a device attached to a network using TCP IP The address is written as four octets sepa...

Страница 173: ...ch database by the ageing process protocol A set of rules for communication between devices on a network The rules dictate format timing sequencing and error control resilience Tolerance For example t...

Страница 174: ...l load on the network management station and reduce management oriented traffic on the network SNMP Simple Network Management Protocol A protocol originally designed to be used in managing TCP IP inte...

Страница 175: ...iform Resource Locator A URL is a unique address of a Web page Using just the URL your Web browser can find Web pages on the World Wide Web VT100 A type of terminal which uses ASCII characters VT100 s...

Страница 176: ...6 GLOSSARY...

Страница 177: ...1 8 Attn LED 7 11 auto configuration 5 8 automatic load balancing B 26 avoiding congestion 1 10 B BABT approvals A 1 balancing the segments 4 1 baud rate 5 8 7 14 before you start 3 4 benefits of swit...

Страница 178: ...box 3 4 controlling the CLI 6 5 conventions notice icons About This Guide 2 text About This Guide 3 correcting faults 8 1 creating flexible workgroups 1 9 crossover 10BASE T cable 3 5 A 3 current util...

Страница 179: ...module ports work 2 6 PS Hubs differ 2 1 how the segment switch works 2 3 how to use hub 1 4 LEDs and ports 3 2 hub accessing B 8 connecting another PS Hub 3 12 connecting equipment 3 11 connections 3...

Страница 180: ...s 5 5 distributed 1 5 features 1 3 methods 5 5 settings A 6 software 1 8 software upgrading 7 24 tasks 5 2 Management Address page 7 12 Management Settings pages 7 17 management station 5 1 COM port B...

Страница 181: ...pment 3 17 problem solving 8 1 problems using Command Line Interface 8 3 using IP IPX based network management application 8 5 using Quick Config Manager B 29 using serial web utility C 4 using SNMP n...

Страница 182: ...er B 29 setting up IP information 6 8 online help system and documentation 7 9 settings console port 5 8 displaying 6 9 management station A 6 shared Ethernet workgroups 1 10 sheet of labels 3 7 sitin...

Страница 183: ...URL 7 2 E 1 user name 7 2 default 6 3 users grouping 1 8 increasing the number of connections 1 5 using 10BASE T cable 3 11 agent upgrade utility D 1 cascade cables 3 14 CLI 6 4 Command Line Interface...

Страница 184: ...8 INDEX workgroups 1 4 1 7 building up 1 8 example 1 11 workstation connections 3 4 World Wide Web WWW E 1 Z Zoom View B 8 B 12 B 16...

Страница 185: ...ninety 90 days from the date of purchase from 3Com or its Authorized Reseller 3Com warrants the media containing software against failure during the warranty period No updates are provided 3Com s sol...

Страница 186: ...LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND...

Страница 187: ...toutes les exigences du R glement sur le mat riel brouilleur du Canada VCCI STATEMENT INFORMATION TO THE USER If this equipment does cause interference to radio or television reception which can be de...

Страница 188: ......

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