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Configuration Rules for Fast Ethernet

19

Configuration Rules
for Fast Ethernet

The topology rules for 100Mbps Fast Ethernet are slightly different to
those for 10Mbps Ethernet.

illustrates the key topology rules and

provides examples of how they allow for large-scale Fast Ethernet
networks.

Figure 6

Fast Ethernet configuration rules

16954ua.book Page 19 Friday, April 30, 1999 9:39 AM

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Summary of Contents for 3C16954

Page 1: ... http www 3com com SuperStack II Switch 610 User Guide 3C16954 Part No DUA1695 4AAA02 Published May 1999 16954ua book Page 1 Friday April 30 1999 9 39 AM ...

Page 2: ...cribed herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commerc...

Page 3: ...Connections 13 LEDs 14 Switch 610 Rear View Detail 15 Unit Information Label 15 Power Socket 15 Redundant Power System Socket 15 Console Port 15 Network Configuration Examples 16 Network Segmentation I 16 Network Segmentation II 17 Desktop Switching 18 Configuration Rules for Fast Ethernet 19 Configuration Rules with Full Duplex 20 2 INSTALLING THE SWITCH Choosing a Suitable Site 22 Rack mounting ...

Page 4: ...ation de Sécurité Importante 30 Wichtige Sicherheits informationen 32 B PIN OUTS Null Modem Cable 33 PC AT Serial Cable 33 Modem Cable 34 RJ 45 Pin Assignments 34 C TECHNICAL SPECIFICATIONS D TECHNICAL SUPPORT Online Technical Services 37 World Wide Web Site 37 3Com Knowledgebase Web Services 37 3Com FTP Site 38 3Com Bulletin Board Service 38 3Com Facts Automated Fax Service 39 Support from Your N...

Page 5: ...GLOSSARY INDEX 3COM CORPORATION LIMITED WARRANTY EMC STATEMENTS 16954ua book Page 5 Friday April 30 1999 9 39 AM ...

Page 6: ...16954ua book Page 6 Friday April 30 1999 9 39 AM ...

Page 7: ...administrators who are responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Networks If the information in the release notes that are shipped with your product differs from the information in this guide follow the instructions in the release notes Most user guides and release notes are available in Adobe Acrobat Reader Por...

Page 8: ... supply the appropriate values for the placeholders that appear in angle brackets Example To enable RIPIP use the following syntax SETDefault port RIPIP CONTrol Listen In this example you must supply a port number for port Commands The word command means that you must enter the command exactly as shown and then press Return or Enter Commands appear in bold Example To remove the IP address enter th...

Page 9: ...695 0AAA0x These notes provide information about the current software release including new features modifications and known problems SuperStack II Switch Help This help provides information about the web interface software of the Switch It is supplied on the SuperStack II Switch CD ROM SuperStack II Switch README File This file provides information about the current software release including new...

Page 10: ...important to us They will help make our documentation more useful to you Please e mail comments about this document to 3Com at pddtechpubs_comments 3com com Please include the following information when commenting Document title Document part number on the title page Page number if appropriate Example SuperStack II Switch 610 User Guide Part Number DUA1695 4AAA02 Page 21 16954ua book Page 10 Frida...

Page 11: ...can be used in your network It covers the following topics About the SuperStack II Switch 610 Switch 610 Front View Detail Switch 610 Rear View Detail Network Configuration Examples Configuration Rules for Fast Ethernet Configuration Rules with Full Duplex 16954ua book Page 11 Friday April 30 1999 9 39 AM ...

Page 12: ...this SuperStack II system the Switch 610 meets the challenge of modern LANs and allows you to add features and capacity as your network expands Summary of Features The Switch has the following hardware features 24 Ethernet 10BASE T ports Two Fast Ethernet auto negotiating 10BASE T 100BASE TX ports SuperStack II architecture Connects to Redundant Power System Uninterruptable Power System 19 inch ra...

Page 13: ...on 10BASE T 100BASE TX Ports The Switch has two auto negotiating 10BASE T 100BASE TX ports configured as MDIX cross over These ports can be set to 10BASE T half duplex 10BASE T full duplex 100BASE TX half duplex 100BASE TX full duplex or they can automatically detect the speed and duplex mode of a link and provide the appropriate connection The maximum segment length is 100m 328ft over Category 5 ...

Page 14: ...nsmitted received on the port Off No packets are being transmitted received on the port Status Green A link is present and the port is enabled Green flashing A link is present but the port is disabled Off No link is present Power Self Test LED Green The Switch is powered up Green flashing The Switch is either downloading software or is initializing which includes running a Power On Self Test Yello...

Page 15: ...matically adjusts its power setting to any supply voltage in the range 90 240V A C Redundant Power System Socket To protect against internal power supply failure you can use this socket to connect a SuperStack II Advanced Redundant Power System RPS to the Switch See Connecting a Redundant Power System on page 24 Console Port The console port allows you to connect a terminal and perform remote or l...

Page 16: ... be placed on your network Network Segmentation I Figure 3 shows how the Switch 610 fits into a large corporate network with a Fast Ethernet infrastructure A Switch is positioned on each floor and servers are centralized in the basement Figure 3 Using the Switch 610 to segment your network 16954ua book Page 16 Friday April 30 1999 9 39 AM ...

Page 17: ... a second workgroup situation This setup could be that of a small office within a large corporation or part of a larger corporate network Most of the switch ports have multiple endstations Figure 4 Using the Switch 610 to segment your network 16954ua book Page 17 Friday April 30 1999 9 39 AM ...

Page 18: ...ed for a group of users in a large corporate network Here switching is brought to the desktop with a single endstation per port Local servers are connected via 100Mbps Fast Ethernet links Figure 5 Using the Switch 610 in a desktop environment 16954ua book Page 18 Friday April 30 1999 9 39 AM ...

Page 19: ...es for 100Mbps Fast Ethernet are slightly different to those for 10Mbps Ethernet Figure 6 illustrates the key topology rules and provides examples of how they allow for large scale Fast Ethernet networks Figure 6 Fast Ethernet configuration rules 16954ua book Page 19 Friday April 30 1999 9 39 AM ...

Page 20: ...ater to a router or switch plus a 100m 328ft UTP link from a repeater out to the endstations Configuration Rules with Full Duplex The Switch provides full duplex support for all its fixed ports including Expansion Module ports Full duplex allows packets to be transmitted and received simultaneously and in effect doubles the potential throughput of a link With full duplex the Ethernet topology rule...

Page 21: ...nance procedures you must read the safety information provided in Appendix A of this guide AVERTISSEMENT Consignes de sécurité Avant d installer ou d enlever tout composant du Switch 610 ou d entamer une procédure de maintenance lisez les informations relatives à la sécurité qui se trouvent dans l Appendice A de ce guide WARNHINWEIS Sicherheitsinformationen Bevor Sie Komponenten aus dem Switch 610...

Page 22: ...transmitters and broadband amplifiers Power lines and fluorescent lighting fixtures Water or moisture cannot enter the case of the Switch Air flow is not restricted around the Switch or through the vents in the side of the Switch We recommend that you provide a minimum of 25mm 1in clearance No more than four Switch units are placed on top of one another if the units are free standing Rack mounting...

Page 23: ...not obstructed 6 Connect network cabling Placing Units On Top of Each Other If the Switch units are free standing up to four units can be placed one on top of the other If you are mixing a variety of SuperStack II Switch and Hub units the smaller units must be positioned at the top If you are placing Switch units one on top of the other you must use the self adhesive rubber pads supplied Apply the...

Page 24: ...ing the power cord 1 Plug the power cord into the power socket at the rear of the Switch 2 Plug the other end of the power cord into your power outlet The Switch powers up and runs through its Power On Self Test POST which takes approximately 12 seconds Checking for Correct Operation During the Power On Self Test all ports on the Switch are disabled and the Port Status LEDs light in a rapid cycle ...

Page 25: ...r devices to the Switch 610 Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem refer to Table 5 which contains a list of possible problems and suggested solutions Table 5 Problems indicated by LEDs Problem Suggested Solution A Power LED does not light Check that the power cable is firmly connected to the relevant Switch unit and to the supply outlet If the connection i...

Page 26: ...connected and yet the Status LED for the port does not light Check that All connections are secure The devices at both ends of the link are powered up The connection uses cross over cable if you are linking a 10BASE T or 100BASE TX port with a device that is MDIX only The Packet LED for a 10BASE T port is lit but the Status LED for that port does not light The 10BASE T port is connected to a 10BAS...

Page 27: ...T Les avertissements présentent des consignes que vous devez respecter pour garantir votre sécurité personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d installer ou de retirer l appareil WARNHINWEIS Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit befolgen müssen Alle Anweisu...

Page 28: ...st be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions Switzerland only The supply plug must comply with SEV ASE 1011 USA ...

Page 29: ...03 for indirect connection to a public telecommunications system This can only be achieved using the console port on the unit and an approved modem Sockets for Redundant Power System RPS Only connect an Advanced Redundant Power System 3C16071 to the Redundant Power System socket WARNING RJ 45 Ports These are shielded RJ 45 data sockets They cannot be used as telephone sockets Only connect RJ 45 da...

Page 30: ...ion qui permet un branchement sur une entrée d appareil EN60320 CEI 320 La prise secteur doit se trouver à proximité de l appareil et son accès doit être facile Vous ne pouvez mettre l appareil hors circuit qu en débranchant son cordon électrique au niveau de cette prise Etats Unis et Canada Le cordon doit avoir reçu l homologation des UL et un certificat de la CSA Le cordon souple doit respecter ...

Page 31: ... un transformateur d isolement à rapport 1 1 avec un point secondaire de connexion portant l appellation Neutre et avec raccordement direct à la terre masse Branchez uniquement un Advanced Redundant Power System 3C16071 sur la prise femelle du Redundant Power System AVERTISSEMENT Les ports RJ 45 Il s agit de prises femelles blindées de données RJ 45 Vous ne pouvez pas les utiliser comme prise de t...

Page 32: ...äteeingang gemäß EN60320 IEC320 haben Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein Die Stromversorgung des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Geräts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gemäß IEC 950 Diese Bedingungen sind nur gegeben wenn auch die an das Gerät ange...

Page 33: ...B PIN OUTS Null Modem Cable 9 pin to RS 232 25 pin PC AT Serial Cable 9 pin to 9 pin 16954ua book Page 33 Friday April 30 1999 9 39 AM ...

Page 34: ...tion Ports configured as MDI 1 TxData Transmit data 2 TxData Transmit data 3 RxData Receive Data 4 Not assigned 5 Not assigned 6 RxData Receive data 7 Not assigned 8 Not assigned Ports configured as MDIX 1 RxData Receive Data 2 RxData Receive Data 3 TxData Transmit data 4 Not assigned 5 Not assigned 6 TxData Transmit data 7 Not assigned 8 Not assigned 16954ua book Page 34 Friday April 30 1999 9 39...

Page 35: ...issions EN55022 Class B FCC Part 15 Subpart B Class A ICES 003 Class A VCCI Class B AS NZS 3548 Class B CNS 13438 Class A Category 5 screened cables must be used to ensure compliance with the class B requirements of this standard The use of unscreened cables Category 3 or 5 for 10BASE T ports or Category 5 for 100BASE TX ports complies with the Class A requirements Immunity EN50082 1 Heat Dissipat...

Page 36: ... RFC 1516 RMON MIB RFC 1271 BOOTP RFC 951 Additional Standards Supported ISO IEC 15802 3 1998 IEEE 802 1D 1998 IEEE 802 1Q 1998 RFC 1112 RFC 2236 Terminal Emulation Telnet RFC 854 Protocols Used for Administration UDP RFC 768 IP RFC 791 ICMP RFC 792 TCP RFC 793 ARP RFC 826 TFTP RFC 783 16954ua book Page 36 Friday April 30 1999 9 39 AM ...

Page 37: ...x Service World Wide Web Site To access the latest networking information on the 3Com Corporation World Wide Web site enter this URL into your Internet browser http www 3com com This service provides access to online support information such as technical documentation and software as well as support options that range from technical education to maintenance and professional services 3Com Knowledge...

Page 38: ...ailable through analog modem or digital modem ISDN 24 hours a day 7 days a week Access by Analog Modem To reach the service by modem set your modem to 8 data bits no parity and 1 stop bit Call the telephone number nearest you Country Data Rate Telephone Number Australia Up to 14 400 bps 61 2 9955 2073 Brazil Up to 28 800 bps 55 11 5181 9666 France Up to 14 400 bps 33 1 6986 6954 Germany Up to 28 8...

Page 39: ...variety of services including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready Product model name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent configuration changes if ...

Page 40: ... 800 6161 463 00798 611 2230 0 2 3455 6455 0080 611 261 001 800 611 2000 Europe From anywhere in Europe call 31 0 30 6029900 phone 31 0 30 6029999 fax Europe South Africa and Middle East From the following countries you may use the toll free numbers Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0800 1821502 0080...

Page 41: ...merica 1 408 326 2927 1 408 326 3355 From the following countries you may call the toll free numbers select option 2 and then option 2 Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K 0800 297468 0800 71429 800 17309 0800 113153 0800 917959 0800 1821502 00800 12813 1800553117 1800 9453794 1678 7...

Page 42: ...42 APPENDIX D TECHNICAL SUPPORT 16954ua book Page 42 Friday April 30 1999 9 39 AM ...

Page 43: ...ing traffic between network segments bandwidth The information capacity measured in bits per second that a channel can transmit The bandwidth of Ethernet is 10Mbps the bandwidth of Fast Ethernet is 100Mbps baud The signalling rate of a line that is the number of transitions voltage or frequency changes made per second Also known as line speed bridge A device that interconnects two LANs of a differ...

Page 44: ...by Xerox Intel and Digital Equipment Corporation Ethernet networks use CSMA CD to transmit packets at a rate of 10Mbps over a variety of cables Ethernet address See MAC address Fast Ethernet An Ethernet system that is designed to operate at 100Mbps forwarding The process of sending a packet toward its destination using a networking device filtering The process of screening a packet for certain cha...

Page 45: ...ibe the routing of packets to addressed devices IPX Internetwork Packet Exchange IPX is a layer 3 and 4 network protocol designed for networks that use Novell Netware 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 separated with periods full stops and is made up of a network section an optional subnet s...

Page 46: ...n internal test that a Switch carries out when it is powered up protocol A set of rules for communication between devices on a network The rules dictate format timing sequencing and error control repeater A simple device that regenerates LAN traffic so that the transmission distance of that signal can be extended Repeaters are used to connect two LANs of the same network type router A device that ...

Page 47: ...s Originally a UNIX standard TCP IP is now supported on almost all platforms and is the protocol of the Internet TCP relates to the content of the data travelling through a network ensuring that the information sent arrives in one piece when it reaches its destination IP relates to the address of the endstation to which data is being sent as well as the address of the destination network Telnet A ...

Page 48: ...48 GLOSSARY 16954ua book Page 48 Friday April 30 1999 9 39 AM ...

Page 49: ...vice 3ComFacts 39 full duplex configuration rules 20 G glossary 43 H hardware features 12 I installing the Switch 21 prerequisites 22 L LEDs 14 Light Emitting Diodes See LEDs M MAC address of the Switch 15 management software 26 managing the Switch 26 MDI configuration 25 MDIX configuration 13 25 MIBs 38 N network configuration examples 16 network supplier support 39 O online technical services 37...

Page 50: ...figuration 18 dimensions 35 Ethernet address 15 features 12 installation 21 22 MAC address 15 power socket 15 powering up 24 product name 15 rack mounting 22 rear view 15 RPS socket 15 serial number 15 size 35 standards supported 36 unit information label 15 weight 35 workgroup configuration 16 17 system specifications 35 T technical support 3Com Knowledgebase Web Services 37 3Com URL 37 bulletin ...

Page 51: ...y is caused by a bug or defect in the third party s product or from use of the software product not in accordance with 3Com s published specifications or user manual YEAR 2000 WARRANTY In addition to the Hardware Warranty and Software Warranty stated above 3Com warrants that each product sold or licensed to Customer on and after January 1 1998 that is date sensitive will continue performing proper...

Page 52: ...ERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE SATISFACTORY QUALITY CORRESPONDENCE WITH DESCRIPTION AND NON INFRINGEMENT ALL OF WHICH ARE EXPRESSLY DISCLAIMED 3COM NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS 3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATIO...

Page 53: ...t sur le matériel brouilleur du Canada VCCI STATEMENT BCIQ STATEMENT INFORMATION TO THE USER If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the equipment with respect to the...

Page 54: ...16954ua book Page 54 Friday April 30 1999 9 39 AM ...

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