3Com 3C172203 manuale d’uso

http://www.3com.com/ Part No. DUA1720-3AAA02 Published August 2001 SuperStack ® 3 Switch 4400 Getting Started Guide 3C17203 3C17204 17204ua.book Page 1 Monday , August 13, 2001 11:28 AM[...]

3Com Corporati on 5400 Bayfront Plaza Santa Clara, Califor nia 95052-8145 Copyright © 2001, 3Com T echnologies. All rights res erved. No part of this documentation may be repr oduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permi ssion from 3Co m T echnolog[...]

C ONTENTS A BOUT T HIS G UIDE Conventions 8 Related Documentation 9 Accessing Online Documentation 9 Product Registration 10 Documentation Comments 10 1 I NTRO DUCING THE S UPER S TACK 3S WITCH 4400 About the Switch 4 400 12 Summary of Hardwar e Featur es 12 Summary of Sof twar e Featur es 13 Switch 4400 — Fr ont View Detail 14 10BASE-T/ 100BASE-[...]

Checking for Correct Operation of LEDs 23 Connecting a Redundant Power System 24 Choosing the Corr ect Cables 24 3 S ETTING U PF O R M ANAGEMENT Setting Up Overview 28 IP Configuration 28 Preparing for Management 30 Initial Switch Setup 30 Manual Setup 31 Connecting to a Fr ont Panel Port 31 Connecting to th e Console Port 33 Automatic Setu p 36 Us[...]

A S AFETY I NFORMATION Important Sa fety Informatio n 5 2 L ’ information de S é curit é Im portante 53 W ichtige Sicherheits informationen 55 B P IN - OUTS Null Modem Cable 57 PC-A T Serial Cable 57 Modem Cable 58 RJ-45 Pin Assignments 58 C T ECHNICAL S PECIFICATIONS Switch 4400 (24-port) 6 1 Switch 4400 (48-port) 6 3 D T ECHNICAL S UPPORT Onl[...]

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A BOUT T HIS G UIDE This guide provides all the information you need to install and use a SuperStack ® 3 Switch 4400 in its default state. This guide is intended for use w ith both Switch 4400 models: ■ 3C17203 — 24 10BASE-T/100BASE-TX ports ■ 3C17204 — 48 10BASE-T/100BASE-TX ports All procedures described i n this guide apply to both mod [...]

8 A BOUT T HIS G UIDE Conventions T able 1 and T able 2 l ist conventions that are used throughout this guide. Ta b l e 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application, system[...]

Related Documentation 9 Related Documentation In addition to this guide, each Switch documen tation set includes the following: ■ S u p e r S t a c k3S w i t c hI m p l e m e n t a t i o nG u i d e This guide contains info rmation on the features supported by your Switch and how they can be used to optimize your n etwork. ■ SuperStack 3 Switch [...]

10 A BOUT T HIS G UIDE If the online documentation is to be accessed fr om a local drive or server , you will need to access the CD-ROM contents via the root dir ectory and copy the files from the CD-ROM to a suitable directory . ■ The HTML Reference Guide is sto red in the Docs/r eference directory on the CD-ROM. The documentation is accessed us[...]

1 I NTR ODUCING THE S UPER S TACK 3S WITCH 4400 This chapter contains introductory information about the Switch 4400 and how it can be used in your network. It covers summaries of hardware and software featur es and also the following topics: ■ About the Switch 4400 ■ Switch 4400 — Front View Detail ■ Switch 4400 — Rear View Detail ■ De[...]

12 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3S WITCH 4400 About the Switch 4400 The Switch 4400 is a stackable 10/100 Mbps device and provides high-performance work groups with a backbone to server connect ion. T h eS w i t c h4 4 0 0a l l o w sC a s c a d e ,G i g a b i tE t h e r n e to rF a s tE t h e r n e tF i b e r connections when expansio[...]

About the Switch 4400 13 Summary of Software Features T able 4 summarizes the software features that ar e supported by the Switch 4400. Ta b l e 4 Software featur es For information about managing the software featur es of the Switch, refer to the “ Su perStack 3 Switch Management Interface Reference Guide ” on the CD-ROM tha t accompanies the [...]

14 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3S WITCH 4400 Switch 4400 — Fr ont View Detail Figure 1 Switch 4400 (24-port) — front view Figure 2 Switch 4400 (48-port) — front view WARNING: R J-45 Ports. These ar e shielded RJ-45 d ata sockets. They cannot be used as standar d traditional telep hone sockets, or to co nnect the unit to a tradi[...]

Switch 4400 — Fr ont View Detail 15 10BASE-T/ 100BASE-TX Ports The Switch has 24 or 48 auto-negotiating 10BASE-T/100BASE-TX ports configured as Auto MDIX (cr oss-over). These ports automatically pr ovide the appropriate connection. Alter natively , you can manu ally set these ports to 10BASE-T half d uplex, 10BASE-T full duplex, 100BASE- TX half [...]

16 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3S WITCH 4400 Yellow The Module is installed and supported. The Link status has not been determined or there is no Link for a single port Module. Yellow flashing A Module is instal led, however, it is not supported. Off The Module is not installed. Unit LEDs 1 – 8 Green When the Switch forms a stack w[...]

Switch 4400 — Rear View Detail 17 Switch 4400 — Rear Vie w De ta il Figure 3 Switch 4400 — rear view Power Socket The Switch automatically adjusts its power set ting to any supply voltage in the range 90-260 V AC. Redundant Power System Socket T o protect against internal power supply failure, you can use this socket to connect a Switch 4400 [...]

18 C HAPTER 1: I NTRODUCING THE S UPER S TACK 3S WITCH 4400 Default Setti ngs T able 6 shows the default settings for the Switch 4400: Ta b l e 6 Default Settings If you initialize a Switch unit by selecting System > Control > Initialize in the Web interface or by entering system control initialize in the Command Line Interface, the following[...]

2 I NSTALLING THE S WITCH This chapter contains the informat ion you need to install and set up the Switch 4400. It covers the follo wing topics: ■ Package Contents ■ Choosing a Suitable Site ■ Rack-mounting ■ Placing Units On T op of Each Other ■ The Power -up Sequence WARNING: Safety Information. Before installing or removi ng any compo[...]

20 C HAPTER 2: I NSTALLING THE S WITCH Package Contents ■ Switch 4400 ( 24-port) (3C17203) or Sw itch 4400 ( 48-port) (3C17204) ■ CD-ROM ■ Getting Started Guide (this gu ide) ■ Implementation Guide ■ Management Quick Reference Guide ■ Release No tes ■ Unit Information Labels ■ W arranty Information ■ Power Cord ■ 2 x Mounting br[...]

Rack-mount ing 21 If the Switch is installed in a 19-inch rack or closed assembly its local air temperature may be greater th an room ambient temperature. ■ The air is as free fr om dust as possible. ■ The unit is installed in a clean, air conditioned environment. ■ No more than eight Switch units ar e placed on top of one another , if the un[...]

22 C HAPTER 2: I NSTALLING THE S WITCH Y ou must use the screws supplied with th e mounting brackets. Damage caused to the unit by using incorrect screws invalidates your warranty . 4 Repeat steps 2 and 3 for the other side of the Switch. 5 Insert the Switch into the 19-in ch rack and secure with suitable screws (not provided). Ensur e that ventila[...]

The Power-up Sequence 23 Using the Expansion Module slot at the rear of the Switch, you can stack Switch units together in two ways: ■ The SuperStack 3 Switch Cascade Stacking Kit (3C1722 7) consists of two Cascade Modules and a Cascade Cable. This kit allows you to connect two Switch 4400 units together . ■ The SuperStack 3 Cascade Extender Ki[...]

24 C HAPTER 2: I NSTALLING THE S WITCH Ta b l e 7 Powe r/Self T est LED colors If there is evidence o f a problem, see “ Solving Pr oblems Indicated by LEDs ” on page 46. Connecting a Redundant Power System Y ou can con nect a SuperStack 3 Advanced Redundant Power System (3C16071B) to the Switch. This unit, which is also known as an RPS, is des[...]

The Power-up Sequence 25 want to make a connection to an MDI port, you need to use a standard straight-through cable. See T able 8. 3Com recommends that you use Category 5 twisted pair cable — the maximum segment length for this type of cable is 100 m (328 ft). Ta b l e 8 Cables requir ed to connect the Switch 4400 to other devices if auto-negoti[...]

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3 S ETTING U PF O R M ANAGEMENT Y our Switch can operate in its default state, that is, you can install it and it will work straight away (plu g-and-play). However , to make full use of the features of fered by the Switch, and to change and monitor the way it works, you have to access the management sof twar e that resides on the Switch. Thi s is k[...]

28 C HAPTER 3: S ETTING U PF O R M ANAGEMENT Setting Up Overview This section gives an overview of what you need to do to get your Switch set up and ready for management when it is in its default state. Detailed procedural steps ar e contained in the sections that follow . In brief, yo u need to: ■ Configure IP information for your Switch by comp[...]

Setting Up Overview 29 Automatic IP Configuration By default the Switch tries to configure itself with IP information without requesting user intervention. It tries to obtain an IP address fr om a DHCP or BootP server on the network. If neither server is found, the Switch w ill configure itself with an IP address in the range 169.254.1.0 to 169.254[...]

30 C HAPTER 3: S ETTING U PF O R M ANAGEMENT Pr eparing for Management Once your Switch ’ s initial set up is complete you can set up your chosen management method as described in “ Methods of Managing a Switch ” on page 39. For detailed information about the specific web interf ace operations and command line interface commands and problem s[...]

Manual Setup 31 Manual Setup Y ou can set up a Switch manually in the following ways: ■ Connecting to a front panel port — Connect a workstation using an Ether net cable to a front panel port of the Switch. Y ou can then manually enter IP information using the web interface. ■ Connecting to the console port — Connect a workstation using a c[...]

32 C HAPTER 3: S ETTING U PF O R M ANAGEMENT T o connect the c able: a Attach an RJ-45 connector at one end of the Eth ernet cable to the Network Interface Card (NIC) in the workstation. b Connect the RJ-45 connector at the other end of the c able to one of the front panel ports on the Switch. Configuring the W orkstation with IP Information Y ou n[...]

Manual Setup 33 Connecting to the Console Port T o set up your Switch manually you can alter natively make a con nection to the console port (this example describes a local connection to the console port, rather than a remote one via a modem). Y o u can do this whilst the Switch is of fline, that is, befor e you connect the Switch to a network, or [...]

34 C HAPTER 3: S ETTING U PF O R M ANAGEMENT b T ighten the retaining scr ews on the cable to pr event it from being loosened. c Connect the other end of the cable to one of the serial por ts (also known as a COM port) on your works tation. 2 Open your terminal emulation software and configure the COM port settings to which you have connected th e [...]

Manual Setup 35 Figure 7 Example top-level command line interface menu 3 At the Select menu option prompt enter the protocol ip basicConfig command. At the Enter configuration method prompt enter manual . The scre en prompts you to enter IP information. 4 Enter the IP address, subnet mask, and gateway IP addr ess for the Switch. The screen displays[...]

36 C HAPTER 3: S ETTING U PF O R M ANAGEMENT Automatic Setup Y ou can set up the Switch automatically whilst it is connected to a network in either of the following ways: ■ Using 3Com Network Supervisor — This application will auto-discover the Switch and display the automatically allocated IP information assigned to the Switch. ■ Connecting [...]

Automatic Setup 37 ■ As u i t a b l ec a b l e : ■ A standard null modem cable — if yo u are connecting directly to the console port, or ■ A standard modem cable — if you are connecting to the co nsole port using a modem. Y ou can find pin-out diag rams for both cables in Appendix B on pag e 57 . ■ A Category 5 twisted pair Et her net c[...]

38 C HAPTER 3: S ETTING U PF O R M ANAGEMENT Viewing IP Information via the Console Port Y ou a r e now ready to view the automatically allocated IP information using the command line interface. 1 Connect your Switch to the network using an Ether net cable. As soon as a network connection is made the Switch begins th e automatic IP configuration pr[...]

Methods of Managing a Switc h 39 The initial set up of your Switch is now complet e and the Switch is ready for you to set up your chosen management method. See “ Methods of Managing a Switch ” on page 39. If you do not intend to use the co mmand line interface via the console port to manage the Swit ch, you can disconnect the serial cable an d[...]

40 C HAPTER 3: S ETTING U PF O R M ANAGEMENT Web I nt e rf a ce Management Each Switch has an internal set of web pages that allow you to manage the Switch using a We b br owser re motely over an IP network (see Figure 12). Figure 12 Web interface management over the network Refer to “ Setting Up Web Interface Management ” on page 42. SNMP Mana[...]

Setting Up Command Line Interface Management 41 Setting Up Command Line Interface Management This section describes how you can set up command line interface management using a local console port connect ion or over the network. CLI Management via the Console Port T o manage a Switch using the command line interface via the local console port conne[...]

42 C HAPTER 3: S ETTING U PF O R M ANAGEMENT If the login prompt does not display immediately , press Return a few times until it starts. 6 If you have logged on correctly , the top-level menu of the command line interface for the Switch you wish to manage is displayed as shown in F i g u r e7o np a g e3 5 . Setting Up Web Interface Management This[...]

Setting Up SNMP Management 43 If you get an error message, check that your IP information ha s been entered corr ectly and the Switch is powered up. 3 Open your web br owser and enter the IP address of the Switch that you wish to manage in the URL locator , for example, in the following format: http:// xxx.xxx.xxx.xxx 4 At the login and password pr[...]

44 C HAPTER 3: S ETTING U PF O R M ANAGEMENT Default Users and Passwords I fy o ui n t e n dt om a n a g et h eS w i t c hu s i n gt h ew e bi n t e r f a c eo rt h e command line interface, or to change the default p asswor ds, you need to log in with a valid user name and passwor d. The Switch has thr ee default user names, and each user name has[...]

4 P RO B L E M S OLVING This chapter helps you to diagnose and solve problems you may have with the operation of your Switch. There is also an explanation of IP addressing. The topics covered are: ■ Solving Problems Indicated by LEDs ■ Solving Hardwar e Problems ■ Solving Communication Problems If you experience a pro blem that is not listed [...]

46 C HAPTER 4: P ROBLEM S OLVING Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem, r efer to the list of suggested solutions b elow . The Power LED does not light Check that the power cable is firmly connected to the Switch and to the supply outlet. If the connection is secure and there is still no power , you may hav[...]

Solving Hardware Problems 47 The Unit LED is flashing green The Switch unit phys ically forms a stack with other S witch 4400 units, but cannot be managed as part of that stack because one or more units have not been upgraded to software version 2.0 or later . Y ou must upgrade each unit in the stack to this softwar e version, which is available on[...]

48 C HAPTER 4: P ROBLEM S OLVING Solving Communication Problems If you experience communication problems with the Switch, ensure that: ■ The Switch IP ad dr ess has been c onfigur ed as desc ribed in Ch apter 3. ■ If the Switch is separated from your management application by a r outer , ensur e that the default gateway IP address within the Sw[...]

Solving Communication Problems 49 How do you obtain a r egister ed IP Addr ess? The IP registration system ensur es that every IP address used is unique; if y o ud on o th a v ear e g i s t e r e dI Pa d d r e s s ,y o um a yb eu s i n ga ni d e n t i c a l address to someone else and your network will not oper ate correctly . InterNIC Registration[...]

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A S AFETY I NFORMATION Y ou must read the following safety informatio n before carrying out any installation or removal of components, or any maintenance procedur es on the Switch 4400. WA RN I N G : Warnings contain directions that you must follow for your personal safety . Follow all directions carefully . Y ou must read the following safety info[...]

52 A PPENDIX A: S AFETY I NFORMATION Important Safety Information WAR N I N G : Installation and removal of th e unit must be carried out by qualified personnel only . WAR N I N G : If installing the Switch 4400 in a stack with SuperStack II or SuperStack 3 units that ar e narrower than the 4400, the Switch 44 00 unit must be installed below the na[...]

L ’ information de S é curit é Importante 53 WA RN I N G : T h es o c k e to u t l e tm u s tb en e a rt ot h eu n i ta n de a s i l y accessible. Y ou can only remove power from the unit by disconnecting the power cord from th e outlet. WA RN I N G : This unit operates under SEL V (Safety Extra Low V oltage) conditions according to IEC 950. Th[...]

54 A PPENDIX A: S AFETY I NFORMATION A V ERTISSEMENT : V ous devez mettre l ’ appareil à la terre ( à la masse) ce groupe. A V ERTISSEMENT : Brancher l ’ unit éà une source de c ourant mise à la terre pour assurer la conformit é aux normes de s é curit é . A V ERTISSEMENT : Cordon é lectrique: Il doit ê tre agr éé ans le pays d&apos[...]

Wichtige S icherheitsi nformationen 55 A V ERTISSEMENT :F r a n c ee tP é rou u niquement: Ce groupe ne peut pas ê tre aliment é par un d ispositif à imp é dance à la terre. Si vos alimentations so nt du type imp é dance à la terre, ce groupe doit ê tre aliment é par une tension de 230 V (2 P+T) par le biais d'un transformateur d&apo[...]

56 A PPENDIX A: S AFETY I NFORMATION VORSICHT : Die Netzsteckdose mu ß in der N ä he des Ger ä ts und leicht zug ä nglich sein. Die Stromversorg ung des Ger ä ts kann n ur durch Herausziehen des Ger ä tenet zkabels aus der Netzsteckdose unterbrochen werden. VORSICHT : Europe ■ Das Netzkabel mu ß vom T yp HO3VVF3GO.75 (Mindestanforder ung) [...]

B P IN - OUTS Null Modem Cable 9-pin to RS-232 25-pin PC-A T Serial Cable 9-pin to 9-p in 17204ua.book Page 57 Monday, Aug ust 13, 2001 11:28 AM[...]

58 A PPENDIX B: P IN - OUTS Modem Cable 9-pin to RS-232 25-pin RJ-45 Pin Assignments Pin assignments are identical for 10BASE-TX and 100B ASE-T RJ-45 connectors. Ta b l e 1 1 Pin assignments Pin Number Signal Func tion Ports configured as MDI 1 Transmit Data + Bidirectional Data A+ 2 Transmit Data + Bidirectional Data A- 3 Receive Data + Bidirectio[...]

RJ-45 Pin Assi gnments 59 Ta b l e 1 2 Pin assignments Pin Number Signal Function Ports configured as MDIX 1 Receive Data + Bidirectional Data B+ 2 Receive Data - Bidirectional Data B- 3 Transmit Data + Bidirectional Data A+ 4 Not assigned Bidi rectional Data A- 5 Not assigned Bidi rectional Data D+ 6 Transmit Data Bidirectional Data D- 7 Not assig[...]

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C T ECHNICAL S PECIFICATIONS Switch 4400 (24-port) Ta b l e 1 3 Switch 4400 (24-port) T echnical Specifications Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 2.8 kg (6.2 lbs) Environmental Requir ements Operating Temperature 0 ° to 40 ° C( 3 2 ° to 104 ° F) Storage Temperature – 40 ?[...]

62 A PPENDIX C: T ECHNICAL S PECIFICATIONS Standards Supported SNMP SNMP protocol (RFC 1157) MIB-II (RFC 1213 ) Bridge MIB (RFC 149 3) RMON MIB II (RFC 2021) Remote Monitoring MIB (RFC 1757) MAU MIB (RFC 2239) T erminal Emulation Telnet (RFC 854) Protocol s Used for Administration UDP (RFC 768) IP (RFC 791) ICMP (RFC 792) TCP (RFC 793) ARP (RFC 826[...]

Switch 4400 (48-port) 63 Switch 4400 (48-port) Ta b l e 1 4 Switch 4400 (48-port) T echnical Specifications Physical Dimensions Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.) Weight: 3.2 kg (7.1 lbs) Environmental Requir ements Operating Temperature 0 ° to 40 ° C( 3 2 ° to 104 ° F) Storage Temperature – 40 ° to[...]

64 A PPENDIX C: T ECHNICAL S PECIFICATIONS 17204ua.book Page 64 Monday, Aug ust 13, 2001 11:28 AM[...]

D T ECHNICAL S UPPORT 3Com provides easy access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the most r ecent information, 3Com r ecommends that you access the 3Com Corporatio n W orld Wide Web site. Online T echn[...]

66 A PPENDIX D: T ECHNICAL S UPPORT 3Com F TP Site Download drivers, patch es, softwar e, and MIBs acr oss the Internet from the 3Com public F TP site. This service is available 24 hours a day , 7 days a week. T o connect to the 3Com F TP site, enter the following informat ion into your F TP clien t: ■ Hostname: ftp.3com.com ■ Username: anonymo[...]

Support from 3Com 67 ■ A list of system har dwar e and software, including r evisi on levels ■ Diagnostic error messages ■ Details about r ecent configuration changes, if applicable Here is a list of worldwide technical telephone support numbers. These numbers are corr ect at the time of publication. Refer to the 3Com Web site for updated inf[...]

68 A PPENDIX D: T ECHNICAL S UPPORT Returning Products for Repair Before you send a pr oduct dir ectly to 3Com for repair , you must first obtain an authorization number . Products sent to 3Com without authorization numbers will be return ed to the sender unopened, at the sender ’ se x p e n s e . T o obtain a n authoriza tion number , call or fa[...]

Returning Products for Repair 69 U.S.A. and Canada 1 800 NET 3Com (1 800 638 3266) Enterprise Customers: 1 800 876 3266 1 408 326 7120 (not toll-free) Country Telephone Number Fax Number 17204ua.book Page 69 Monday, Aug ust 13, 2001 11:28 AM[...]

70 A PPENDIX D: T ECHNICAL S UPPORT 17204ua.book Page 70 Monday, Aug ust 13, 2001 11:28 AM[...]

I NDEX 71 I NDEX Numbers 3C number 2 2 3Com Knowledgebase Web Services 65 3Com URL 65 A access levels of default users 44 automatic setup 36 3Com Network Supervisor 36 console port 36 B browsers choosing 42 C cable choosing the correct 24 pin-outs 57 cascade cable 23 Cascade Extender Kit 23 Cascade Stacking Kit 23 CD-ROM 9 command line interface ma[...]

72 I NDEX pin-outs 57 ports console 17 power socket 17 powering-up a Switch 4400 23 pr oblem sol ving 45 communication problems 48 hardware pr oblems 47 IP addressing 47 LEDs 46 pr oduct name 22 R rack mounting a Swi tch 4400 21 Redundant Power System. See RPS returning products for repair 68 RPS 17 connecting 24 socket 17 S safety information Engl[...]

R EGULATORY N OTICES FCC S TATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to pro vide reasonable protection ag ainst harmful interference when the equipment is operated in a commercial environment. This equipment generates, use[...]

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