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3Com 4226T Switch User Manual

1. Connect over Network via web browser Switch Workstation DUA1730 0AAA04 book Page 46 Thursday November 17 2005 2 59 PM Setting Up Command Line Interface Management 47 Figure 18 SNMP management over the network Refer to Setting Up SNMP Management on page 49 Setting Up Command Line Interface Management This section describes how you can set up command line interface management using a local console port connection or over the network CLI Management via the Console Port To manage a Switch using the command line interface via the local console port connection 1 Ensure you have connected your workstation to the console port correctly as described in Connecting to the Console Port on page 38 2 Your Switch is now ready to continue being managed and or configured through the CLI via its console port CLI Management over the Network To manage a Switch using the command line interface over a network using Telnet 1 Ensure you have already set up the Switch with IP information as described in Setting Up Overview on page 32 2 Check that you have the IP protocol correctly installed on your management workstation You can check this by trying to browse the World Wide Web If you can browse the IP protocol is installed 3 Check you can communicate with the Switch by entering a ping command at the DOS prompt in the following format c ping xxx xxx xxx xxx where xxx xxx xxx xxx is the IP address of
2. D OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product 75 Purchase Value Added Services 75 Troubleshoot Online 76 Access Software Downloads 76 Telephone Technical Support and Repair 76 Contact Us 77 INDEX REGULATORY NOTICES DUA1730 0AAA04 book Page 5 Thursday November 17 2005 2 59 PM DUA1730 0AAA04 book Page 6 Thursday November 17 2005 2 59 PM ABOUT THIS GUIDE This guide provides all the information you need to install and use a SuperStack 3 Switch 4200 in its default state This guide is intended for use with the following Switch 4200 Family models Switch 4226T 3C17300 24 10BASE T 100BASE TX ports 2 10 100 1000BASE T ports Switch 4250T 3C17302 48 10BASE T 100BASE TX ports 2 10 100 1000BASE T ports Switch 4228G 3C17304 24 10BASE T 100BASE TX ports 2 10 100 1000BASE T ports and 2 GBIC ports All procedures described in this guide apply to all models except where stated For details on the Switch 4200 26 Port 3C17300A Switch 4200 50 Port 3C17302A and Switch 4200 28 Port 3C17304A refer to the following document SuperStack 3 Switch 4200 Family Getting Started Guide part number DUA1730 0AAA03 available for download from the 3Com Web site www 3Com com The guide is intended for use by network administrators who are responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Network
3. Remote Monitoring MIB RFC 1757 MAU MIB RFC 2239 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 DHCP RFC 2131 RFC 2132 RFC 1534 BOOTP RFC 951 RFC 1497 DUA1730 0AAA04 book Page 74 Thursday November 17 2005 2 59 PM D OBTAINING SUPPORT FOR YOUR PRODUCT Register Your Product Warranty and other service benefits start from the date of purchase so it is important to register your product quickly to ensure you get full use of the warranty and other service benefits available to you Warranty and other service benefits are enabled through product registration Register your product at http eSupport 3com com 3Com eSupport services are based on accounts that you create or have authorization to access First time users must apply for a user name and password that provides access to a number of eSupport features including Product Registration Repair Services and Service Request If you have trouble registering your product please contact 3Com Global Services for assistance Purchase Value Added Services To enhance response times or extend warranty benefits contact 3Com or your authorized 3Com reseller Value added services like 3Com ExpressSM and GuardianSM can include 24x7 telephone technical support software upgrades onsite assistance or advance hardware replacement Experienced eng
4. Broadcast Storm Control Enabled Virtual LANs VLANs All ports belong to the untagged Default VLAN VLAN 1 with 802 1Q learning operational IP Multicast Filtering Filtering enabled Rapid Spanning Tree Protocol Fast Start Enabled Enabled on all ports RMON Alarm Enabled Smart Auto Sensing Enabled LACP 10 100 1000BASE T ports and GBIC ports only Enabled Quality of Service QoS All ports prioritize NBX VoIP IP All ports set to best effort for all other traffic DUA1730 0AAA04 book Page 18 Thursday November 17 2005 2 59 PM 2 INSTALLING THE SWITCH This chapter contains the information you need to install and set up the Switch 4200 Family It covers the following topics Package Contents Choosing a Suitable Site Rack mounting Placing Units On Top of Each Other The Power up Sequence GBIC Operation WARNING Safety Information Before installing or removing any components from the Switch 4200 Family or carrying out any maintenance procedures you must read the safety information provided in Appendix A of this guide AVERTISSEMENT Consignes de s curit Avant d installer ou d enlever tout composant du Switch 4200 ou d entamer une proc dure de maintenance lisez les informations relatives la s curit qui se trouvent dans l Appendice A de ce guide VORSICHT Sicherheitsinformationen Bevor Sie Komponenten aus dem Switch 4200 entfernen oder dem Switch
5. is toward you as shown in Figure 7 b Gently slide the transceiver into the GBIC port until it clicks into place 2 If you wish to remove the transceiver compress the side tabs and gently pull the transceiver out of the port CAUTION GBIC transceivers are keyed and can be properly inserted only one way If the transceiver does not click when you insert it remove it turn it over and reinsert it DUA1730 0AAA04 book Page 28 Thursday November 17 2005 2 59 PM GBIC Operation 29 Figure 7 Inserting a GBIC Transceiver 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 4 Connect the other end of the cable to a device fitted with an appropriate Gigabit Ethernet connection 5 Check the LEDs on the front of the Switch to ensure that it is operating correctly Refer to LEDs on page 15 for more information GBIC Ports GBIC Transceiver erstack 3 Switch 4228G DUA1730 0AAA04 book Page 29 Thursday November 17 2005 2 59 PM 30 CHAPTER 2 INSTALLING THE SWITCH DUA1730 0AAA04 book Page 30 Thursday November 17 2005 2 59 PM 3 SETTING UP FOR MANAGEMENT Your Switch can operate in its default state that is you can install it and it will work straight away plug and play However to make full use of the features offered by the Switch and to change and monitor the way it works you have to acce
6. 6 17 5 16 4 15 3 14 2 26 Down 25 Up 1 2 3 4 Unit 3C17302A Superstack 3 Switch 4200 50 Port 8 32 1 25 31 7 30 6 29 5 28 4 27 3 26 2 49 50 16 40 9 33 39 15 38 14 37 13 36 12 35 11 34 10 24 48 17 41 47 23 46 22 45 21 44 20 43 19 42 18 Up Down Alert Power Self Test Unit 1 2 3 4 27 28 27 28 27 28 27 28 3C17304A Superstack 3 Switch 4200 28 Port 3C17300A Superstack 3 Switch 4200 26 Port DUA1730 0AAA04 book Page 23 Thursday November 17 2005 2 59 PM 24 CHAPTER 2 INSTALLING THE SWITCH Stack renumbering occurs when another Switch 4200 Family unit is added to the bottom of an established stack except when the stack is already 4 units high In this instance the down port on the bottom unit of the existing stack will be disabled and its LED will flash green You will then not be able to use that port again until the link is lost on that port When another Switch 4200 Family unit is added to the top of an established stack no stack renumbering occurs If however the unit being added takes the stack height above 4 then the up port on the top unit of the existing stack will be disabled and its LED will flash green You will then not be able to use that port again until the link is lost on that port When removing a Switch from a stack note the following Removing a Switch 4200 Family unit from the bottom of an e
7. 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 DHCP RFC 2131 RFC 2132 RFC 1534 BOOTP RFC 951 RFC 1497 DUA1730 0AAA04 book Page 72 Thursday November 17 2005 2 59 PM Switch 4250T 3C17302 73 Switch 4250T 3C17302 Physical Dimensions Height 44 mm 1 7 in x Width 440 mm 17 3 in x Depth 274 mm 10 8 in Weight 2 83 kg 6 23 lbs Environmental Requirements Operating Temperature 0 to 40 C 32 to 104 F Storage Temperature 40 to 70 C 40 to 158 F Operating Humidity 10 95 relative humidity non condensing Standards EN60068 to 3Com schedule Package testing paras 2 1 2 2 2 30 and 2 32 Operational testing paras 2 1 2 2 2 30 and 2 13 Safety Agency Certifications UL60950 EN60950 CSA 22 2 No 60950 IEC 60950 EMC Emissions CISPR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A AS NZS 3548 Class A VCCI Class A CNS 13438 Class A EN61000 3 2 EN61000 3 3 Immunity EN 55024 Heat Dissipation 60 watts maximum 205 Btu h maximum Power Supply AC Line Frequency 50 60 Hz Input Voltage 90 240 VAC Current Rating 2 3 A amps maximum Standards Supported SNMP SNMP protocol RFC 1157 MIB II RFC 1213 Bridge MIB RFC 1493 RMON MIB II RFC 2021 Remote Monitoring MIB RFC 1757 MA
8. Power Self Test LED Unit LEDs 1 2 3 4 Unit GBIC ports 27 28 27 28 DUA1730 0AAA04 book Page 13 Thursday November 17 2005 2 59 PM 14 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4200 SERIES WARNING RJ 45 Ports These are shielded RJ 45 data sockets They cannot be used as standard traditional telephone sockets or to connect the unit to a traditional PBX or public telephone network Only connect RJ 45 data connectors network telephony systems or network telephones to these sockets Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets 10BASE T 100BASE TX Ports The Switch has 24 or 48 auto negotiating 10BASE T 100BASE TX ports configured as Auto MDIX cross over While auto negotiation is enabled these ports can automatically detect whether they need to operate in MDI or MDIX mode Alternatively you can manually set these ports to 10BASE T half duplex 10BASE T full duplex 100BASE TX half duplex or 100BASE TX full duplex The maximum segment length is 100 m 328 ft over Category 5 twisted pair cable 10 100 1000BASE T Ports The Switch has two auto negotiating 10 100 1000BASE T ports configured as Auto MDIX cross over While auto negotiation is enabled these ports can automatically detect whether they need to operate in MDI or MDIX mode These ports provide 10 100 1000 Mbps full duplex connections to other Gigabit Ethernet devices Full
9. URL is case sensitive Inserting a GBIC Transceiver To be recognised as valid the GBIC transceiver must have the following characteristics 1000BASE SX 1000BASE LX 1000BASE T or 1000BASE LH70 media type 1000BASE SX GBIC transceiver Use this transceiver to connect the Switch directly to a multimode fiber optic cable 1000BASE T GBIC transceiver Use this transceiver to connect the Switch directly to Category 5 twisted pair cable DUA1730 0AAA04 book Page 27 Thursday November 17 2005 2 59 PM 28 CHAPTER 2 INSTALLING THE SWITCH 1000BASE LX GBIC transceiver Use this transceiver to connect the Switch directly to a single mode fiber optic cable or to multimode fiber using a conditioned launch cable 1000BASE LH70 GBIC transceiver Use this transceiver to connect the Switch directly to a single mode fiber optic cable or to multimode fiber using a conditioned launch cable Fiber SC connector Type 4 GBIC with internal EEPROM fitted If the GBIC transceiver is faulty it will not operate within the Switch See Solving Hardware Problems on page 55 Do not use non 3Com GBICs If the GBIC transceiver is invalid it will not be recognised by the Switch Use the following sequence of steps to activate the GBIC ports 1 To insert one of the transceivers into a GBIC expansion port on the Switch a Orient the transceiver so that the fiber optic duplex subscriber connector SC
10. and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference to radio communications in which case the user will be required to correct the interference at their own expense 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 receiver Move the equipment away from the receiver Plug the equipment into a different outlet so that equipment and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 CSA STATEMENT This Class A digital apparatus meets all requiremen
11. any supply voltage in the range 90 240 VAC Redundant Power System Socket To protect against internal power supply failure you can use this socket to connect a Switch 4200 to a SuperStack Advanced Redundant Power System RPS See Connecting a Redundant Power System on page 25 Console Port The console port allows you to connect a terminal and perform remote or local out of band management The console port uses a standard null modem cable and is set to auto baud 8 data bits no parity and 1 stop bit Power Socket Console max 19200 8 1 N Console Port Supply Data Warning Label Redundant Power System Socket DUA1730 0AAA04 book Page 17 Thursday November 17 2005 2 59 PM 18 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4200 SERIES Default Settings Table 5 shows the default settings for the Switch 4200 Family Table 5 Default Settings If you initialize a Switch unit by selecting System gt Control gt Initialize in the Web interface or by entering system control initialize in the Command Line Interface the following settings are retained to allow you to connect to and manage the Switch IP Address Subnet Mask Default Router Feature Switch 4200 Family Automatic IP Configuration Enabled Port Status Enabled Port Speed All ports are auto negotiated Duplex Mode All ports are auto negotiated Flow Control Enabled in half duplex Auto negotiated in full duplex
12. clearance Air temperature around the Switch does not exceed 40 C 104 F If the Switch is installed in a 19 inch rack or closed assembly its local air temperature may be greater than room ambient temperature The air is as free from dust as possible DUA1730 0AAA04 book Page 20 Thursday November 17 2005 2 59 PM Rack mounting 21 The switch is situated away from sources of conductive electrical dust for example laser printers The unit is installed in a clean air conditioned environment The AC supply used by the switch is separate to that used by units that generate high levels of AC noise for example air conditioning units and laser printers No more than eight Switch units are placed on top of one another if the units are free standing Rack mounting The Switch 4200 Family are 1U high and will fit in most standard 19 inch racks CAUTION Disconnect all cables from the Switch before continuing Remove all self adhesive pads from the underside of the Switch if they have been fitted To rack mount your Switch 1 Place the Switch the right way up on a hard flat surface with the front facing towards you 2 Locate a mounting bracket over the mounting holes on one side of the Switch as shown in Figure 5 DUA1730 0AAA04 book Page 21 Thursday November 17 2005 2 59 PM 22 CHAPTER 2 INSTALLING THE SWITCH Figure 5 Fitting a bracket for rack mounting 3 Insert the two scre
13. duplex allows packets to be transmitted and received simultaneously which in effect doubles the potential throughput of a link These ports require either straight through or cross over Category 5 cables with RJ 45 connectors at both ends The maximum UTP cable length is 100 m 328 ft over Category 5 cable The 10 100 1000BASE T ports will auto negotiate to the appropriate speed GBIC Ports This section applies to the SuperStack 3 Switch 4228G only The two GBIC ports support Category 5 twisted pair cable and fiber Gigabit Ethernet short wave SX long wave LX and long haul LH70 GBIC transceivers in any combination This offers you the flexibility of using GBIC transceivers to provide connectivity between the Switch and remote 1000 Mbps workgroups or to create a high capacity aggregated link backbone connection DUA1730 0AAA04 book Page 14 Thursday November 17 2005 2 59 PM About the Switch 4200 Series 15 Fiber GBIC s The default state for these ports is auto negotiation enabled where speed duplex and flow control modes are negotiated Because the speed and duplex modes are fixed by the media type only the flow control is negotiated with the link partner Alternatively auto negotiation can be disabled and the flow control setting can be manually configured 1000BASE T GBIC s These ports will auto negotiate to 1000BASE T full duplex only Although it is not possible to disable auto negotiation it is possible to chang
14. equipment to which it is connected also operates under SELV conditions WARNING France and Peru only This unit cannot be powered from IT supplies If your supplies are of IT type this unit must be powered by 230V 2P T via an isolation transformer ratio 1 1 with the secondary connection point labelled Neutral connected directly to earth ground Imp dance la terre WARNING U K only If connecting a modem to the console port of the Switch 4200 Series only use a modem which is suitable for connection to the telecommunications system WARNING RJ 45 Ports These are shielded RJ 45 data sockets They cannot be used as standard traditional telephone sockets or to connect the unit to a traditional PBX or public telephone network Only connect RJ 45 data connectors network telephony systems or network telephones to these sockets Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets DUA1730 0AAA04 book Page 61 Thursday November 17 2005 2 59 PM 62 APPENDIX A SAFETY INFORMATION WARNING Fiber Optic ports Optical Safety Never look at the transmit laser while it is powered up Never look directly at the fiber ports and fiber cable ends when they are powered up WARNING Use of controls or adjustments of performance or procedures other than those specified herein may result in hazardous laser emissions L information de S curit Importante AVE
15. fiber cables only The 1000BASE LX and LH70 GBIC ports use multimode or single mode fiber optic cables For detailed information on fiber cable specifications refer to the SuperStack 3 Implementation Guide that accompanies your Switch Cross over Cable Straight through Cable Switch to Switch MDIX to MDIX Switch to Hub MDIX to MDIX Switch to PC NIC MDIX to MDI DUA1730 0AAA04 book Page 26 Thursday November 17 2005 2 59 PM GBIC Operation 27 If you wish to connect a 1000BASE SX MT RJ port to a fiber port with a different type of connector for example SC or ST please contact your network supplier for a suitable patch cable GBIC Operation The following section describes how to insert a GBIC transceiver into a GBIC port This section applies to the SuperStack 3 Switch 4228G only GBIC transceivers are hot insertable and hot swappable You can remove them from and insert them into any GBIC port without having to power down the Switch Approved GBIC Transceivers The 3Com approved GBIC transceivers are 1000BASE SX GBIC 3CGBIC91 1000BASE LX GBIC 3CGBIC92 1000BASE T GBIC 3CGBIC93 1000BASE LH70 GBIC 3CGBIC97 These are correct at the time of publication To access the latest list of approved GBIC transceivers for the Switch on the 3Com Corporation World Wide Web site enter this URL into your internet browser http www 3com com The
16. file named LICENSE TXT or LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described 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 commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com the 3Com logo and SuperStack are all registered trademarks of 3Com Corporation Novell and NetWare are registered trademarks of Novell Incorporated Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated All other company and product names may be trademarks of
17. it again or set the configuration method to Automatic You should use the Manual IP configuration method if you do not have a DHCP or BootP server on your network or you want to remove the risk of the IP address ever changing or your DHCP or BootP server does not allow you to allocate static IP addresses Static IP addresses are necessary to ensure that the Switch is always allocated the same IP information For most installations 3Com recommends that you configure the Switch IP information manually This makes management simpler and more reliable as it is not dependent on a DHCP or BootP server and eliminates the risk of the IP address changing If you wish to manually enter IP information for your Switch work through the Manually Configuring IP Information section on page 35 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 from a DHCP or BootP server on the network If neither server is found the Switch will configure itself with its default IP address 169 254 100 100 if it is operating in a standalone mode and or no other Switches on the network have this IP address If this default IP address is already in use on the network then the Switch detects this and configures itself with an IP address in the range 169 254 1 0 to 169 254 254 255 This process is known as Auto IP and is the
18. the Switch If you get an error message check that your IP information has been entered correctly and the Switch is powered up SNMP Network Management Workstation Switch Connect over Network using SNMP DUA1730 0AAA04 book Page 47 Thursday November 17 2005 2 59 PM 48 CHAPTER 3 SETTING UP FOR MANAGEMENT 4 To open a Telnet session via the DOS prompt enter the IP address of the Switch that you wish to manage in the following format gt telnet xxx xxx xxx xxx where xxx xxx xxx xxx is the IP address of the Switch If opening a Telnet session via third party software you will need to enter the IP address in the format suitable for that software 5 At the login and password prompts enter admin as your user name and press Return at the password prompt or the password of your choice if you have already modified the default passwords 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 Figure 12 on page 41 Setting Up Web Interface Management This section describes how you can set up web interface management over the network Pre requisites Ensure you have already set up the Switch with IP information as described in Setting Up Overview on page 32 Ensure that the Switch is connected to the network using a Category 5
19. the respective companies with which they are associated Environmental Statement It is a 3Com policy to be environmentally friendly in all operations This manual is printed on paper that comes from sustainable managed European forests The production process for making the pulp has a reduced AOX level adsorbable organic halogen resulting in elemental chlorine free paper The paper is fully biodegradable and recyclable DUA1730 0AAA04 book Page 2 Thursday November 17 2005 2 59 PM CONTENTS ABOUT THIS GUIDE Conventions 8 Related Documentation 9 Accessing Online Documentation 10 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4200 FAMILY About the Switch 4200 Family 12 Summary of Hardware Features 12 Switch 4200 Family Front View Detail 13 10BASE T 100BASE TX Ports 14 10 100 1000BASE T Ports 14 GBIC Ports 14 LEDs 15 Switch 4200 Family Rear View Detail 17 Power Socket 17 Redundant Power System Socket 17 Console Port 17 Default Settings 18 2 INSTALLING THE SWITCH Package Contents 20 Choosing a Suitable Site 20 Rack mounting 21 Placing Units On Top of Each Other 23 Stacking Units 23 The Power up Sequence 24 Powering up the Switch 4200 Family 24 Checking for Correct Operation of LEDs 24 Connecting a Redundant Power System 25 DUA1730 0AAA04 book Page 3 Thursday November 17 2005 2 59 PM Choosing the Correct Cables 25 Choosing the correct Fiber cables 26 GBIC Operation 27 Approved GBIC Trans
20. twisted pair Ethernet cable with RJ 45 connectors A suitable Web browser Choosing a Browser To display the web interface correctly use one of the following Web browser and platform combinations Table 8 Supported Web Browsers and Platforms Windows 2000 Windows XP Windows Server 2003 Red Hat Linux 9 Solaris 2 6 Netscape 7 1 Internet Explorer 5 5 and 6 0 Mozilla 1 0 DUA1730 0AAA04 book Page 48 Thursday November 17 2005 2 59 PM Setting Up SNMP Management 49 For the browser to operate the web interface correctly JavaScript and Cascading Style Sheets must be enabled on your browser These features are enabled on a browser by default You will only need to enable them if you have changed your browser settings Web Management Over the Network To manage a Switch using the web interface over an IP network 1 Check that you have the IP protocol correctly installed on your management workstation You can check this by trying to browse the World Wide Web If you can browse the IP protocol is installed 2 Check you can communicate with the Switch by entering a ping command at the DOS prompt in the following format c ping xxx xxx xxx xxx where xxx xxx xxx xxx is the IP address of the Switch If you get an error message check that your IP information has been entered correctly and the Switch is powered up 3 Open your w
21. 04 book Page 80 Thursday November 17 2005 2 59 PM INDEX 81 INDEX Numbers 10 100 1000BASE T ports 14 3C number 22 A access levels of default users 50 automatic setup 42 3Com Network Supervisor 42 console port 42 B browsers choosing 48 C cable choosing the correct 25 fiber 26 maximum length 14 pin outs 67 CD ROM 10 command line interface management 45 console port 17 conventions notice icons About This Guide 8 text About This Guide 8 cross over configuration 25 D default settings 18 users 50 E Ethernet address of the Switch 22 F factory defaults 18 G GBIC ports 14 transceivers 27 GBIC ports 14 H hardware features 12 I installing the Switch 19 prerequisites 20 IP addressing registered 56 IP configuration 33 L LEDs 15 logging in as a default user 50 M MAC address of the Switch 22 management methods 45 preparing for 34 setting up 31 32 manual setup console port 38 front panel port 35 MDI configuration 25 MDIX configuration 25 P passwords of default users 50 pin assignments modem cable 68 null modem cable 67 RJ45 68 RJ45 1000BASE T 69 serial cable 67 pin outs 67 ports DUA1730 0AAA04 book Page 81 Thursday November 17 2005 2 59 PM 82 INDEX 10 100 1000BASE T ports 14 console 17 GBIC ports 14 power socket 17 powering up a Switch 4200 24 problem solving 53 communication problems 55 hardware problems 55 IP addre
22. 0AAA04 book Page 69 Thursday November 17 2005 2 59 PM 70 APPENDIX B PIN OUTS DUA1730 0AAA04 book Page 70 Thursday November 17 2005 2 59 PM C TECHNICAL SPECIFICATIONS Switch 4226T 3C17300 Physical Dimensions Height 44 mm 1 7 in x Width 440 mm 17 3 in x Depth 274 mm 10 8 in Weight 2 4 kg 5 3 lbs Environmental Requirements Operating Temperature 0 to 40 C 32 to 104 F Storage Temperature 40 to 70 C 40 to 158 F Operating Humidity 10 95 relative humidity non condensing Standards EN60068 to 3Com schedule Package testing paras 2 1 2 2 2 30 and 2 32 Operational testing paras 2 1 2 2 2 30 and 2 13 Safety Agency Certifications UL 60950 EN60950 CSA 22 2 No 60950 IEC 60950 EMC Emissions CISPRR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A AS NZS 3548 Class A VCCI Class A CNS 13438 Class A EN61000 3 2 EN61000 3 3 Immunity EN 55024 Heat Dissipation 40 watts maximum 136 Btu h maximum Power Supply AC Line Frequency 50 60 Hz Input Voltage 90 240 VAC Current Rating 2 3 A amps maximum continued DUA1730 0AAA04 book Page 71 Thursday November 17 2005 2 59 PM 72 APPENDIX C TECHNICAL SPECIFICATIONS Standards Supported SNMP SNMP protocol RFC 1157 MIB II RFC 1213 Bridge MIB RFC 1493 RMON MIB II RFC 2021 Remote Monitoring MIB RFC 1757 MAU MIB RFC 2239 Terminal
23. 200 SERIES About the Switch 4200 Family The Switch 4200 Family are stackable 10 100 1000 Mbps devices which consists of 24 or 48 10BASE T 100BASE TX ports 2 10 100 1000BASE T ports 2 GBIC ports Switch 4228G only The Switch provides high performance workgroups with a backbone to server connection You can also add the Switch 4200 Family to any SuperStack system as your network grows Summary of Hardware Features Table 3 summarizes the hardware features that are supported by the Switch 4200 Family Table 3 Hardware features Feature Switch 4200 Family Addresses Up to 8000 supported Up to 64 permanent entries Auto negotiation Supported on all ports Auto MDI MDI X Forwarding Modes Store and Forward Duplex Modes Half and full duplex on all 10 100 ports Full duplex on 1000BASE T ports and full duplex on GBIC ports Flow Control In full duplex operation all ports are supported Smart Auto sensing Supported on all ports except GBIC ports which are single speed ports Smart auto sensing allows auto negotiating ports to monitor and detect a high error rate on a link or a problem in the physical interconnection to another port and react accordingly Traffic Prioritization Supported IEEE 802 ID 2 queues per port Ethernet and Fast Ethernet Ports Auto negotiating 10BASE T 100BASE TX ports Gigabit Ethernet Auto negotiating 10 100 1000BASE T ports GBIC Aut
24. 4200 hinzufuegen oder Instandhaltungsarbeiten verrichten lesen Sie die Sicherheitsanweisungen die in Appendix A Anhang A in diesem Handbuch aufgefuehrt sind DUA1730 0AAA04 book Page 19 Thursday November 17 2005 2 59 PM 20 CHAPTER 2 INSTALLING THE SWITCH Package Contents Switch unit CD ROM Getting Started Guide this guide Release Notes Unit Information Labels Warranty Information Power Cord 2 x Mounting brackets 4 x Screws 4 x Rubber feet Choosing a Suitable Site The Switch is suited for use on a desktop either free standing or mounted in a standard 19 inch equipment rack Alternatively the Switch can be mounted in a wiring closet or equipment room as an aggregator for other Hubs and Switches A rack mounting kit containing two mounting brackets is supplied with the Switch CAUTION Ensure that the ventilation holes are not obstructed When deciding where to position the Switch ensure that Cabling is located away from sources of electrical noise such as radios transmitters and broadband amplifiers power lines and fluorescent lighting fixtures The Switch is accessible and cables can be connected easily 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 3Com recommends that you provide a minimum of 25mm 1in
25. Israel Italy 0800 297 468 0800 71429 800 17309 0800 113153 0800 917959 0800 182 1502 06800 12813 1 800 553 117 1800 945 3794 800 879489 Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U K 800 23625 0800 0227788 800 11376 00800 441 1 357 800 831416 0800 995 014 900 938 919 020 795 482 0800 553 072 0800 096 3266 You can also obtain support in this region using the following URL http emea 3com com support email html Latin America Telephone Technical Support and Repair Antigua Barbuda Argentina Local Number Argentina Argentina Aruba Bahamas Barbados Belize Bermuda Bolivia Brazil Local Number Brazil British Virgin Islands Cayman Islands Chile Columbia Local Number Colombia Costa Rica Curacao Dominica Dominique Equador El Salvador French Guinea Grenada AT amp T 800 988 2112 54 11 5556 3200 0 810 444 3COM 810 44 32 66 AT amp T 1 800 998 2112 1 800 998 2112 1 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 55 11 5643 2700 800 13 266 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 57 1 592 5000 800 011 3266 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 Guadalupe Guatemala Guyana Haiti Honduras Jamaica Mexico Local Number Mexico Mexico Monserrat
26. Nicaragua Panama Paraguay Peru Puerto Rico Saba Anquila St Kitts Neives St Lucia St Vincent Suriname Trinidad and Tobago Turks and Caycos Uruguay Montevideo Venezuela Virgin Islands AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 52 55 52 01 00 04 01 800 849CARE 01 800 849 2273 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 AT amp T 800 998 2112 You can also obtain support in this region using the following Spanish speakers enter the URL http lat 3com com lat support form html Portuguese speakers enter the URL http lat 3com com br support form html English speakers in Latin America should send e mail to lat_support_anc 3com com Country Telephone Number Country Telephone Number DUA1730 0AAA04 book Page 78 Thursday November 17 2005 2 59 PM Contact Us 79 US and Canada Telephone Technical Support and Repair 1 800 876 3266 Country Telephone Number Country Telephone Number DUA1730 0AAA04 book Page 79 Thursday November 17 2005 2 59 PM 80 APPENDIX D OBTAINING SUPPORT FOR YOUR PRODUCT DUA1730 0AAA
27. RTISSEMENT L installation et la d pose de ce groupe doivent tre confi s un personnel qualifi AVERTISSEMENT Si vous entassez l unit Switch avec les unit s SuperStack 3 Hub l unit Switch 4200 doit tre install e en dessous des unit s Hub plus troites AVERTISSEMENT Vous devez mettre l appareil la terre la masse ce groupe AVERTISSEMENT Brancher l unit une source de courant mise la terre pour assurer la conformit aux normes de s curit DUA1730 0AAA04 book Page 62 Thursday November 17 2005 2 59 PM L information de S curit Importante 63 AVERTISSEMENT Cordon lectrique Il doit tre agr ans le pays d utilisation AVERTISSEMENT Le coupleur d appareil le connecteur du groupe et non pas la prise murale doit respecter une configuration qui permet un branchement sur une entr e d appareil EN60320 CEI 320 AVERTISSEMENT La prise secteur doit se trouver proximit de l appareil et son acc s doit tre facile Vous ne pouvez mettre l appareil hors circuit qu en d branchant son cordon lectrique au niveau de cette prise AVERTISSEMENT L appareil fonctionne une tension extr mement basse de s curit qui est conforme la norme CEI 950 Ces conditions ne sont maintenues que si l quipement auquel il est raccord fonctionne dans les m mes conditions AVERTISSEMENT France et P rou uniquement Ce groupe ne peut pas tre aliment par un dispositif imp dan
28. U MIB RFC 2239 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 DHCP RFC 2131 RFC 2132 RFC 1534 BOOTP RFC 951 RFC 1497 DUA1730 0AAA04 book Page 73 Thursday November 17 2005 2 59 PM 74 APPENDIX C TECHNICAL SPECIFICATIONS Switch 4228G 3C17304 Physical Dimensions Height 44 mm 1 7 in x Width 440 mm 17 3 in x Depth 274 mm 10 8 in Weight 2 73 kg 6 00 lbs Environmental Requirements Operating Temperature 0 to 40 C 32 to 104 F Storage Temperature 40 to 70 C 40 to 158 F Operating Humidity 10 95 relative humidity non condensing Standards EN60068 to 3Com schedule Package testing paras 2 1 2 2 2 30 and 2 32 Operational testing paras 2 1 2 2 2 30 and 2 13 Safety Agency Certifications UL60950 EN60950 CSA 22 2 No 60950 IEC 60950 EMC Emissions CISPR 22 Class A EN55022 Class A FCC Part 15 Subpart B Class A ICES 003 Class A AS NZS 3548 Class A VCCI Class A CNS 13438 Class A EN61000 3 2 EN61000 3 3 Immunity EN 55024 Heat Dissipation 60 watts maximum 205 Btu h maximum Power Supply AC Line Frequency 50 60 Hz Input Voltage 90 240 VAC Current Rating 2 3 A amps maximum Standards Supported SNMP SNMP protocol RFC 1157 MIB II RFC 1213 Bridge MIB RFC 1493 RMON MIB II RFC 2021
29. ce la terre Si vos alimentations sont du type imp dance la terre ce groupe doit tre aliment par une tension de 230 V 2 P T par le biais d un transformateur d isolement rapport 1 1 avec un point secondaire de Etats Unis et Canada Le cordon doit avoir re u l homologation des UL et un certificat de la CSA Le cordon souple doit respecter titre minimum les sp cifications suivantes calibre 18 AWG type SV ou SJ 3 conducteurs Le cordon doit tre en mesure d acheminer un courant nominal d au moins 10 A La prise femelle de branchement doit tre du type mise la terre mise la masse et respecter la configuration NEMA 5 15P 15 A 125 V ou NEMA 6 15P 15 A 250 V Danemark La prise m le d alimentation doit respecter la section 107 2 D1 de la norme DK2 1a ou DK2 5a Europe La prise secteur doit tre conforme aux normes CEE 7 7 SCHKO LE cordon secteur doit porter la mention lt HAR gt ou lt BASEC gt et doit tre de type HO3VVF3GO 75 minimum Suisse La prise m le d alimentation doit respecter la norme SEV ASE 1011 DUA1730 0AAA04 book Page 63 Thursday November 17 2005 2 59 PM 64 APPENDIX A SAFETY INFORMATION connexion portant l appellation Neutre et avec raccordement direct la terre masse AVERTISSEMENT Points d acc s RJ 45 Ceux ci sont prot g s par des prises de donn es Ils ne peuvent pas tre u
30. ceivers 27 Inserting a GBIC Transceiver 27 3 SETTING UP FOR MANAGEMENT Setting Up Overview 32 IP Configuration 33 Preparing for Management 34 Manually Configuring IP Information 35 Connecting to a Front Panel Port 35 Connecting to the Console Port 38 Viewing Automatically Configured IP Information 42 Using 3Com Network Supervisor 42 Connecting to the Console Port 42 Methods of Managing a Switch 45 Command Line Interface Management 45 Web Interface Management 46 SNMP Management 46 Setting Up Command Line Interface Management 47 CLI Management via the Console Port 47 CLI Management over the Network 47 Setting Up Web Interface Management 48 Pre requisites 48 Web Management Over the Network 49 Setting Up SNMP Management 49 Pre requisites 50 Default Users and Passwords 50 Changing Default Passwords 50 4 PROBLEM SOLVING Solving Problems Indicated by LEDs 54 Solving Hardware Problems 55 Solving Communication Problems 55 Solving Stack Formation Problems 56 Solving Software Upgrade Problems 57 DUA1730 0AAA04 book Page 4 Thursday November 17 2005 2 59 PM A SAFETY INFORMATION Important Safety Information 60 L information de S curit Importante 62 Wichtige Sicherheitsinformationen 64 B PIN OUTS Null Modem Cable 67 PC AT Serial Cable 67 Modem Cable 68 RJ 45 Pin Assignments 68 C TECHNICAL SPECIFICATIONS Switch 4226T 3C17300 71 Switch 4250T 3C17302 73 Switch 4228G 3C17304 74
31. ck If a Unit LED is off initialization is not complete 3Com recommends that you do not use the Switch s management interface until the Unit LED is green If there is evidence of a problem see Solving Problems Indicated by LEDs on page 54 Connecting a Redundant Power System You can connect a SuperStack Advanced Redundant Power System 3C16071 3C16071A or 3C16071B to the Switch This unit which is also known as an RPS is designed to maintain the power to your Switch if a power supply failure occurs For normal redundancy the unit requires one Type 2A Power Module part number 3C16074A For full redundancy the unit requires two type 2A Power Modules combined using a Type 2 Y Cable part number 3C16078 CAUTION The Switch has no ON OFF switch the only method of connecting or disconnecting mains power is by connecting or disconnecting the power cord CAUTION The Switch can only use a SuperStack Advanced Redundant Power System output Choosing the Correct Cables All of the ports on the front of the Switch 4200 Family are Auto MDIX that is they have a cross over capability The port can automatically detect whether it needs to operate in MDI or MDIX mode Therefore you can make a connection to a port with a straight through MDI or a cross over cable MDIX The Auto MDIX feature only operates when auto negotiation is enabled Color State Green The Switch is powered up and operating normally Yellow Th
32. ct In order to access upgrades and related documentation you must first purchase a service contract from 3Com or your reseller Telephone Technical Support and Repair To enable telephone support and other service benefits you must first register your product at http eSupport 3com com Warranty and other service benefits start from the date of purchase so it is important to register your product quickly to ensure you get full use of the warranty and other service benefits available to you When you contact 3Com for assistance please have the following information ready Product model name part number and serial number Proof of purchase if you have not pre registered your product A list of system hardware and software including revision level Diagnostic error messages Details about recent configuration changes if applicable DUA1730 0AAA04 book Page 76 Thursday November 17 2005 2 59 PM Contact Us 77 To send a product directly to 3Com for repair you must first obtain a return authorization number RMA Products sent to 3Com without authorization numbers clearly marked on the outside of the package will be returned to the sender unopened at the sender s expense If your product is registered and under warranty you can obtain an RMA number online at http eSupport 3com com First time users will need to apply for a user name and password Contact Us 3Com offers telephone e mail and
33. dshake DUA1730 0AAA04 book Page 67 Thursday November 17 2005 2 59 PM 68 APPENDIX B PIN OUTS Modem Cable 9 pin to RS 232 25 pin RJ 45 Pin Assignments Pin assignments for ports configured as MDI and MDIX are given in Table 10 and Table 11 Table 10 Pin assignments Screen TxD RxD RTS CTS DSR Ground DCD DTR Screen TxD RxD RTS CTS DSR Ground DCD DTR Shell 3 2 7 8 6 5 1 4 1 2 3 4 5 6 7 8 20 Switch 4200 Cable connector 9 pin female RS 232 Modem Port Cable connector 25 pin male Pin Number 10 100 1000 Ports configured as MDI 1 Transmit Data Bidirectional Data A 2 Transmit Data Bidirectional Data A 3 Receive Data Bidirectional Data B 4 Not assigned Bidirectional Data C 5 Not assigned Bidirectional Data C 6 Receive Data Bidirectional Data B 7 Not assigned Bidirectional Data D 8 Not assigned Bidirectional Data D DUA1730 0AAA04 book Page 68 Thursday November 17 2005 2 59 PM RJ 45 Pin Assignments 69 Table 11 Pin assignments Pin Number 10 100 1000 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 Bidirectional Data A 5 Not assigned Bidirectional Data D 6 Transmit Data Bidirectional Data D 7 Not assigned Bidirectional Data C 8 Not assigned Bidirectional Data C DUA1730
34. e wall plug must have a configuration for mating with an EN60320 IEC320 appliance inlet U S A and Canada The cord set must be UL approved and CSA certified The minimum specification for the flexible cord is No 18 AWG Type SV or SJ 3 conductor The cord set must have a rated current capacity of at least 10A The attachment plug must be an earth grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration United Kingdom only The supply plug must comply with BS1363 3 pin 13 amp and be fitted with a 5A fuse which complies with BS1362 The mains cord must be lt HAR gt or lt BASEC gt marked and be of type H03VVF3GO 75 minimum Europe only The supply plug must comply with CEE 7 7 SCHUKO The mains cord must be lt HAR gt or lt BASEC gt marked and be of type H03VVF3GO 75 minimum Denmark The supply plug must comply with section 107 2 D1 standard DK2 1a or DK2 5a Switzerland The supply plug must comply with SEV ASE 1011 DUA1730 0AAA04 book Page 60 Thursday November 17 2005 2 59 PM Important Safety Information 61 WARNING The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet WARNING This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 950 The conditions are only maintained if the
35. e Switch has failed its Power On Self Test Off The Switch is not receiving power DUA1730 0AAA04 book Page 25 Thursday November 17 2005 2 59 PM 26 CHAPTER 2 INSTALLING THE SWITCH If auto negotiation is disabled all the Switch ports are configured as MDIX cross over If you want to make a connection to another MDIX port you need a cross over cable Many ports on workstations and servers are configured as MDI straight through If you want to make a connection to an MDI port you need to use a standard straight through cable See Table 7 3Com recommends that you use Category 5 twisted pair cable the maximum segment length for this type of cable is 100 m 328 ft CAUTION If you want to install the Switch using a Category 5E or Category 6 cable 3Com recommends that you briefly connect the cable to a grounded port before connecting network equipment If you do not the cables Electrostatic Discharge ESD may damage the Switch s port You can create a grounded port by connecting all wires at one end of a UTP cable to an earth ground point and the other end to a female RJ 45 connector located for example on a Switch rack or patch panel The RJ 45 connector is now a grounded port Table 7 Cables required to connect the Switch 4200 Family to other devices if auto negotiation is disabled Choosing the correct Fiber cables Choose from the following cable options The 1000BASE SX ports can be connected to multimode
36. e of the existing settings so you can return to them later Change the workstation to the following settings IP address 169 254 100 99 Subnet mask 255 255 0 0 Setting Up the Switch with IP Information You are now ready to manually set up the Switch with IP information You can do this using the Web interface or the command line interface CLI via telnet Using the Web Interface 1 Power up the Switch This takes approximately one minute 2 Open a suitable Web browser and enter 169 254 100 100 in the Location Address field This is the default IP address that is automatically assigned to an offline unit DUA1730 0AAA04 book Page 36 Thursday November 17 2005 2 59 PM Manually Configuring IP Information 37 If there is no response wait for one minute then re enter the default IP address 3 At the login and password prompts enter admin as your user name and press Return at the password prompt default user name and password If you have logged on correctly a set of Getting Started pages are displayed 4 The Getting Started pages allow you to enter basic setup information for the Switch Select Manual and then enter the IP address subnet mask and default gateway that you want the Switch to use when it is connected to the network The final page displays a summary of the information entered The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen managemen
37. e the advertised capabilities for flow control support effectively enabling or disabling flow control LEDs Table 4 lists LEDs visible on the front of the Switch and how to read their status according to color For information on using the LEDs for problem solving see Solving Problems Indicated by LEDs on page 54 It is not possible to determine the duplex mode from the LEDs For more detailed information refer to the SuperStack 3 Switch Management Interface Reference Guide on the CD ROM that is supplied with the Switch Table 4 LED behavior LED Color Indicates Port Status LEDs 10BASE T 100BASE TX ports Green A 100 Mbps link is present and the port is enabled Green flashing Packets are being transmitted received on the port Yellow A 10 Mbps link is present and the port is enabled Yellow flashing Packets are being transmitted received on the port Green Yellow alternating A 10 or 100 Mbps link is present but the port is disabled Off No link is present Port Status LEDs GBIC ports Green A 1000 Mbps link is present and the port is enabled Green flashing Packets are being transmitted received on the port Port Status LEDs 10 100 1000BASE T ports Green A 1000 Mbps link is present and the port is enabled continued DUA1730 0AAA04 book Page 15 Thursday November 17 2005 2 59 PM 16 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4200 SERIES Green flashing Packets are being transm
38. eb browser 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 prompts enter admin as your user name and press Return at the password prompt or the password of your choice if you have already modified the default passwords 5 Click on the Device View button to display the web management options Setting Up SNMP Management Any network management application running the Simple Network Management Protocol SNMP can manage a Switch if The correct Management Information Bases MIBs are installed on the management workstation The management workstation is connected to the Switch using a port in VLAN 1 the Default VLAN By default all ports on the Switch are in VLAN 1 You can use the 3Com Network Supervisor application that is provided on the CD ROM that accompanies your Switch to provide SNMP management for your Switch If you use 3Com Network Supervisor it automatically loads the correct MIBs and necessary files onto your workstation DUA1730 0AAA04 book Page 49 Thursday November 17 2005 2 59 PM 50 CHAPTER 3 SETTING UP FOR MANAGEMENT Pre requisites Documentation supplied with the SNMP network management application software To manage your Switch using an SNMP network management application you need to specify SNMP community strings for the users defined on the Switch You can do thi
39. elect menu option prompt you can either enter the protocol ip basicConfig command At the Enter configuration method prompt enter manual The screen prompts you to enter IP information or enter the gettingStarted command At the Enter configuration method prompt enter manual The screen prompts you to enter IP information 5 Enter the IP address subnet mask and gateway IP address for the Switch The screen displays a summary of the information entered The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen management method See Methods of Managing a Switch on page 45 Connecting to the Console Port To set up your Switch manually you can alternatively make a connection to the console port this example describes a local connection to the console port rather than a remote one via a modem You can do this whilst the Switch is offline that is before you connect the Switch to a network or whilst the Switch is online that is connected to a network Menu options 3Com Superstack 3 Switch 4200 bridge Administer bridge wide parameters gettingStarted Basic device configuration logout Logout of the Command Line Interface physicalInterface Administer physical interfaces protocol Administer protocols security Administer security system Administer sytem level functions trafficManagement Administer traffic management Type Fo
40. files from the CD ROM to a suitable directory The HTML Reference Guide is stored in the Docs reference directory on the CD ROM The documentation is accessed using the contents htm file The PDF Implementation Guide is stored in the Docs implementation directory of the CD ROM 3Com recommends that you copy the Docs reference directory as a whole to maintain the structure of the files DUA1730 0AAA04 book Page 10 Thursday November 17 2005 2 59 PM 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4200 FAMILY This chapter contains introductory information about the Switch 4200 Family and how it can be used in your network It covers summaries of hardware and software features and also the following topics About the Switch 4200 Family Switch 4200 Family Front View Detail Switch 4200 Family Rear View Detail Default Settings This Getting Started Guide describes the following units in the Switch 4200 Family Switch 4226T 3C17300 Switch 4250T 3C17302 Switch 4228G 3C17304 For details on the Switch 26 Port 3C17300A Switch 50 Port 3C17302A and Switch 28 Port 3C17304A refer to the following document SuperStack 3 Switch 4200 Family Getting Started Guide part number DUA1730 0AAA03 available for download from the 3Com Web site www 3Com com DUA1730 0AAA04 book Page 11 Thursday November 17 2005 2 59 PM 12 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4
41. group of IP addresses that have been set aside specially for use in house only Solving Stack Formation Problems If you are having problems with correctly forming a stack first ensure that Spanning Tree is enabled If it is enabled do the following 1 Power off all units in the stack 2 Check all the cable connections in the stack 3 Power on all units in the stack DUA1730 0AAA04 book Page 56 Thursday November 17 2005 2 59 PM Solving Software Upgrade Problems 57 Solving Software Upgrade Problems You can upgrade the management software of the Switch by using the System gt Control gt 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 DUA1730 0AAA04 book Page 57 Thursday November 17 2005 2 59 PM 58 CHAPTER 4 PROBLEM SOLVING DUA1730 0AAA04 book Page 58 Thursday November 17 2005 2 59 PM A SAFETY INFORMATION You must read the following safety information before carrying out any installation or removal of components or any maintenance procedures on the Switch 4200 Series WARNING Warnings contain directions that you must follow for your personal safe
42. he Switch you can disconnect the serial cable and close the terminal emulator software Methods of Managing a Switch Once you have completed the initial set up of your Switch you can decide how you wish to manage the Switch You can use one of the following methods Command line interface management Web interface management SNMP management Command Line Interface Management Each Switch has a command line interface CLI that allows you to manage the Switch from a workstation either locally via a console port connection see Figure 15 or remotely over the network see Figure 16 DUA1730 0AAA04 book Page 45 Thursday November 17 2005 2 59 PM 46 CHAPTER 3 SETTING UP FOR MANAGEMENT Figure 15 CLI management via the console port Figure 16 CLI management over the network Refer to Setting Up Command Line Interface Management on page 47 Web Interface Management Each Switch has an internal set of web pages that allow you to manage the Switch using a Web browser remotely over an IP network see Figure 17 Figure 17 Web interface management over the network Refer to Setting Up Web Interface Management on page 48 SNMP Management You can manage a Switch using any network management workstation running the Simple Network Management Protocol SNMP as shown in Figure 18 For example you can use the 3Com Network Supervisor software that is provided on the CD ROM that accompanies your Switch
43. he Switch to a network The procedure described in this section assumes the unit has been powered up in standalone mode and has the default IP address of 169 254 100 100 Pre requisites A workstation running Windows 2000 Windows XP or Windows Server 2003 Red Hat Linux 9 Solaris 7 or Solaris 9 A Network Interface Card NIC A Category 5 twisted pair Ethernet cable with RJ 45 connectors A suitable Web browser refer to Choosing a Browser on page 48 You need to have the following so that you can manually set up the Switch with IP information IP address subnet mask default gateway DUA1730 0AAA04 book Page 35 Thursday November 17 2005 2 59 PM 36 CHAPTER 3 SETTING UP FOR MANAGEMENT Connecting the Workstation to the Switch 1 Connect the workstation to a front panel port using an Ethernet cable as shown in Figure 9 Figure 9 Connecting a workstation to the Switch via a front panel port To connect the cable a Attach an RJ 45 connector at one end of the Ethernet cable to the Network Interface Card NIC in the workstation b Connect the RJ 45 connector at the other end of the cable to one of the front panel ports on the Switch Do not interconnect the Switch to any other unconfigured Switch Configuring the Workstation with IP Information You need to change the IP address and subnet mask of the workstation that you have connected to the Switch Make a not
44. http www 3com com Part No DUA1730 0AAA04 Published July 2005 SuperStack 3 Switch 4200 Family Getting Started Guide Switch 4226T 3C17300 Switch 4250T 3C17302 Switch 4228G 3C17304 DUA1730 0AAA04 book Page 1 Thursday November 17 2005 2 59 PM 3Com Corporation 350 Campus Drive Marlborough MA 01752 3064 Copyright 2002 2005 3Com Corporation All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from 3Com Technologies 3Com Technologies reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Technologies to provide notification of such revision or change 3Com Technologies provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this documentation it is furnished under a license agreement included with the product as a separate document in the hard copy documentation or on the removable media in a directory
45. ible even if you do not intend to actively manage your Switch For more information on default users and changing default passwords see Default Users and Passwords on page 50 Plug and Play Setup Initial IP Information Setup Feature Management Power up the Switch IP information is automatically configured Page 31 Do you want to configure the IP information manually No Connect to a front panel port and use the Web Interface or Command Line Interface Page 33 How do you want to connect to the Switch Connect to the console port and use the Command Line Interface Page 36 Use 3Com Network Supervisor 3NS Page 40 Connect to a console port and use the Command Line Interface Page 40 How do you want to Manage your Switch Page 45 Command Line Interface Connect over the network via Telnet Page 45 Connect via the console port Page 45 Connect over the network Page 47 How do you want to view the automatically configured IP information SNMP Page 47 Web Interface Yes DUA1730 0AAA04 book Page 32 Thursday November 17 2005 2 59 PM Setting Up Overview 33 IP Configuration You can use one of the following methods to allocate IP information to your Switch essential if you wish to manage your Switch across the network Manual IP Configuration You can choose to configure the IP information yourself The Switch remembers the information that you enter until you change
46. ineers are available to manage your installation with minimal disruption to your network Expert assessment and implementation services are offered to fill resource gaps and ensure the success of your networking projects More information on 3Com maintenance and Professional Services is available at http www 3com com Contact your authorized 3Com reseller or 3Com for a complete list of the value added services available in your area DUA1730 0AAA04 book Page 75 Thursday November 17 2005 2 59 PM 76 APPENDIX D OBTAINING SUPPORT FOR YOUR PRODUCT Troubleshoot Online You will find support tools posted on the 3Com web site at http www 3com com 3Com Knowledgebase helps you troubleshoot 3Com products This query based interactive tool is located at http knowledgebase 3com com and contains thousands of technical solutions written by 3Com support engineers Access Software Downloads Software Updates are the bug fix maintenance releases for the version of software initially purchased with the product In order to access these Software Updates you must first register your product on the 3Com web site at http eSupport 3com com First time users will need to apply for a user name and password A link to software downloads can be found at http eSupport 3com com or under the Product Support heading at http www 3com com Software Upgrades are the feature releases that follow the software version included with your original produ
47. internet access to technical support and repair services To access these services for your region use the appropriate telephone number URL or e mail address from the list below Telephone numbers are correct at the time of publication Find a current directory of contact information posted on the 3Com web site at http csoweb4 3com com contactus Country Telephone Number Country Telephone Number Asia Pacific Rim Telephone Technical Support and Repair Australia Hong Kong India Indonesia Japan Malaysia New Zealand Pakistan 1 800 678 515 800 933 486 61 2 9424 5179 or 000800 650 1111 001 803 61009 00531 616 439 or 03 3507 5984 1800 801 777 0800 446 398 61 2 9937 5083 Philippines P R of China Singapore S Korea Taiwan Thailand 1235 61 266 2602 or 1800 1 888 9469 800 810 3033 800 6161 463 080 333 3308 00801 611 261 001 800 611 2000 You can also obtain support in this region using the following e mail apr_technical_support 3com com Or request a repair authorization number RMA by fax using this number 65 543 6348 Europe Middle East and Africa Telephone Technical Support and Repair From anywhere in these regions call 44 0 1442 435529 From the following countries you may use the numbers shown DUA1730 0AAA04 book Page 77 Thursday November 17 2005 2 59 PM 78 APPENDIX D OBTAINING SUPPORT FOR YOUR PRODUCT Austria Belgium Denmark Finland France Germany Hungary Ireland
48. itted received on the port Yellow A 10 or 100 Mbps link is present and the port is enabled Yellow flashing Packets are being transmitted received on the port Green Yellow alternating A 10 100 or 1000 Mbps link present but disabled Off No link is present Unit LEDs 1 4 Green When the Switch forms a stack with other Switch 4200 Family units the LED indicates the position of the unit in the stack and that a link is present Unit LED number 1 can also indicate a stand alone Switch Off The Switch initialization process is not complete Power Self Test LED Green The Switch is powered up and operating normally Green flashing The Switch is either downloading software or is initializing which includes running a Power On Self Test Yellow The Switch has failed its Power On Self Test Refer to Chapter 4 Solving Problems Indicated by LEDs Off The Switch is not receiving power or there is a fault with the Power Supply Unit Alert LED Green flashing The Switch Alert LED has been configured via the CLI or Web Interface to flash Off The Switch Alert LED has been configured via the CLI or Web Interface to be off Default state LED Color Indicates DUA1730 0AAA04 book Page 16 Thursday November 17 2005 2 59 PM About the Switch 4200 Series 17 Switch 4200 Family Rear View Detail Figure 4 Switch 4200 Family rear view Power Socket The Switch automatically adjusts its power setting to
49. mber between 0 and 255 An example IP address is 192 168 100 8 DUA1730 0AAA04 book Page 55 Thursday November 17 2005 2 59 PM 56 CHAPTER 4 PROBLEM SOLVING The IP address is split into two parts The first part 192 168 100 in the example identifies the network on which the device resides The second part 8 in the example identifies the device within the network The natural subnet mask for this example is 255 255 255 0 If your network has a connection to the external IP network that is you access the Internet you must apply for a registered IP address 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
50. nageable parameters DUA1730 0AAA04 book Page 50 Thursday November 17 2005 2 59 PM Default Users and Passwords 51 The Security gt Device gt User gt Modify operation on the web interface For more information about default users and passwords refer to the Superstack 3 Switch Management Interface Reference Guide on the Switch CD ROM DUA1730 0AAA04 book Page 51 Thursday November 17 2005 2 59 PM 52 CHAPTER 3 SETTING UP FOR MANAGEMENT DUA1730 0AAA04 book Page 52 Thursday November 17 2005 2 59 PM 4 PROBLEM SOLVING 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 Hardware Problems Solving Communication Problems Solving Software Upgrade Problems If you experience a problem that is not listed here it may be included in the support section of the SuperStack 3 Switch Management Interface Reference Guide on the CD ROM that accompanies your Switch For Technical Support information see Appendix D DUA1730 0AAA04 book Page 53 Thursday November 17 2005 2 59 PM 54 CHAPTER 4 PROBLEM SOLVING Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem refer to the list of suggested solutions below The Power LED does not light Check that the power cable is firmly connected to the Swi
51. o negotiating GBIC ports Switch 4228G only RPS Support Connects to SuperStack Advanced Redundant Power System ARPS 3C16071 3C16071A or 3C16071B Mounting 19 inch rack or stand alone mounting DUA1730 0AAA04 book Page 12 Thursday November 17 2005 2 59 PM About the Switch 4200 Series 13 Switch 4200 Family Front View Detail Figure 1 Switch 4226T 3C17300 front view Figure 2 Switch 4250T 3C17302 front view Figure 3 Switch 4228G 3C17304 front view 3C17300 Superstack 3 Switch 4226T 10BASE T 100BASE TX RJ 45 Ports Power Self Test Alert Alert LED 21 9 10 22 11 23 12 24 8 20 1 13 19 7 18 6 17 5 16 4 15 3 14 2 10 100 1000BASE T ports 26 Down 25 Up Power Self Test LED Unit LEDs 1 2 3 4 Unit 3C17302 Superstack 3 Switch 4250T 10BASE T 100BASE TX RJ 45 Ports Power Self Test LED Alert LED 8 32 1 25 31 7 30 6 29 5 28 4 27 3 26 2 49 50 16 40 9 33 39 15 38 14 37 13 36 12 35 11 34 10 24 48 17 41 47 23 46 22 45 21 44 20 43 19 42 18 10 100 1000BASE T ports Unit LEDs Up Down Alert Power Self Test Unit 1 2 3 4 3C17304 Superstack 3 Switch 4228G 10BASE T 100BASE TX RJ 45 Ports Power Self Test Alert Alert LED 21 9 10 22 11 23 12 24 8 20 1 13 19 7 18 6 17 5 16 4 15 3 14 2 10 100 1000BASE T ports 26 Down 25 Up
52. one of the serial ports also known as a COM port on your workstation 2 Open your terminal emulation software and configure the COM port settings to which you have connected the cable The settings should be set to match the default settings for the Switch which are 19 200 baud 8 data bits no parity 1 stop bit no hardware flow control Refer to the documentation that accompanies the terminal emulation software for more information DUA1730 0AAA04 book Page 43 Thursday November 17 2005 2 59 PM 44 CHAPTER 3 SETTING UP FOR MANAGEMENT Viewing IP Information via the Console Port You are now ready to view the automatically allocated IP information using the command line interface 1 Connect your Switch to the network using an Ethernet cable As soon as a network connection is made the Switch begins the automatic IP configuration process The automatic IP configuration process usually completes within one minute If there is no response from a DHCP server within 30 seconds the Auto IP configuration mechanism attempts to allocate the default IP address 169 254 100 100 If this address is not available it then allocates an IP address in the range of 169 254 x y where x is in the range 1 to 254 and y is in the range 0 to 255 2 The command line interface login sequence begins as soon as the Switch detects a connection to its console port If the login prompt does not begin immediately pre
53. ossen werden die europ ischen Sicherheitsnormen erf llt VORSICHT Der Anschlu kabelsatz mu mit den Bestimmungen des Landes bereinstimmen in dem er verwendet werden soll VORSICHT Der Ger testecker der Anschlu an das Ger t nicht der Wandsteckdosenstecker mu eine passende Konfiguration f r einen Ger teeingang gem EN60320 IEC320 haben VORSICHT Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich sein Die Stromversorgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden VORSICHT Europe Das Netzkabel mu vom Typ HO3VVF3GO 75 Mindestanforderung sein und die Aufschrift lt HAR gt oder lt BASEC gt tragen Der Netzstecker mu die Norm CEE 7 7 erf llen SCHUKO VORSICHT Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gem IEC 950 Diese Bedingungen sind nur gegeben wenn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden VORSICHT RJ 45 Porte Diese Porte sind gesch tzte Datensteckdosen Sie d rfen weder wie normale traditionelle Telefonsteckdosen noch f r die Verbindung der Einheit mit einem traditionellem privatem oder ffentlichem Telefonnetzwerk gebraucht werden Nur RJ 45 Datenansclu e Telefonnetzsysteme or Netztelefone an diese Steckdosen anschlie en Entweder gesch tzte oder ungesch tzte Buchsen d rfen an diese Datens
54. ou to enter IP information or enter the gettingStarted command At the Enter configuration method prompt enter manual The screen prompts you to enter IP information 4 Enter the IP address subnet mask and gateway IP address for the Switch The screen displays a summary of the information entered The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen management method See Methods of Managing a Switch on page 45 If you do not intend to use the command line interface via the console port to manage the Switch you can disconnect the serial cable and close the terminal emulator software Menu options 3Com Superstack 3 Switch 4200 bridge Administer bridge wide parameters gettingStarted Basic device configuration logout Logout of the Command Line Interface physicalInterface Administer physical interfaces protocol Administer protocols security Administer security system Administer sytem level functions trafficManagement Administer traffic management Type For help 1 Select menu option DUA1730 0AAA04 book Page 41 Thursday November 17 2005 2 59 PM 42 CHAPTER 3 SETTING UP FOR MANAGEMENT Viewing Automatically Configured IP Information If you allow the Switch to automatically configure its own IP information you need to discover and view the IP informa
55. ple To display port information enter the following command bridge port detail The words enter and type When you see the word enter in this guide you must type something and then press Return or Enter Do not press Return or Enter when an instruction simply says type Keyboard key names If you must press two or more keys simultaneously the key names are linked with a plus sign Example Press Ctrl Alt Del DUA1730 0AAA04 book Page 8 Thursday November 17 2005 2 59 PM Related Documentation 9 Related Documentation In addition to this guide each Switch documentation set includes the following SuperStack 3 Switch Implementation Guide This guide contains information on the features supported by your Switch and how they can be used to optimize your network It is supplied in PDF format on the CD ROM that accompanies the Switch SuperStack 3 Switch Management Quick Reference Guide This guide contains a list of the software features supported by the Switch a summary of the web interface and command line interface commands for the Switch SuperStack 3 Switch Management Interface Reference Guide This guide provides detailed information about the web interface and command line interface that enable you to manage the Switch It is supplied in HTML format on the CD ROM that accompanies the Switch Release Notes These notes provide information about
56. r help 1 Select menu option DUA1730 0AAA04 book Page 38 Thursday November 17 2005 2 59 PM Manually Configuring IP Information 39 Pre requisites A workstation with terminal emulation software installed such as Microsoft Hyperterminal This software allows you to communicate with the Switch via the console port directly or through a modem Documentation supplied with the terminal emulation software A suitable cable A standard null modem cable if you are connecting directly to the console port or A standard modem cable if you are connecting to the console port using a modem You can find pin out diagrams for both cables in Appendix B on page 67 You need to have the following so that you can manually set up the Switch with IP information IP address subnet mask default gateway Connecting the Workstation to the Switch 1 Connect the workstation to the console port using a standard null modem cable as shown in Figure 11 Figure 11 Connecting a workstation to the Switch via the console port To connect the cable a Attach the female connector on the cable to the male connector on the console port of the Switch b Tighten the retaining screws on the cable to prevent it from being loosened c Connect the other end of the cable to one of the serial ports also known as a COM port on your wo
57. re not obstructed 3 Power cycle the unit To do this remove and reconnect all power supplies 4 If a further fan fail trap is received return the unit Error message indicating that the GBIC transceiver is invalid The Switch has identified that the GBIC does not meet the minimum requirements for the Switch and has disabled the port To correct this problem completely remove the GBIC and replace it with a 3Com approved GBIC See Approved GBIC Transceivers on page 27 Error message indicating that the GBIC transceiver is faulty To correct this problem completely remove the GBIC and then reinsert it If the problem persists contact 3Com Technical Support Solving Communication Problems If you experience communication problems with the Switch ensure that The Switch IP address has been configured as described in Chapter 3 If the Switch is separated from your management application by a router ensure that the default gateway IP address within the Switch is the same as the IP address of the router The Switch s IP address has been entered correctly in your network management application such as 3Com Network Supervisor The following is a brief overview of IP addressing and how to obtain a registered IP address IP Addressing To be managed correctly each device on your network for example a Switch or Hub must have a unique IP address IP addresses have the format n n n n where n is a decimal nu
58. rkstation DUA1730 0AAA04 book Page 39 Thursday November 17 2005 2 59 PM 40 CHAPTER 3 SETTING UP FOR MANAGEMENT 2 Open your terminal emulation software and configure the COM port settings to which you have connected the cable The settings should be set to match the default settings for the Switch which are 19 200 baud 8 data bits no parity 1 stop bit no hardware flow control Refer to the documentation that accompanies the terminal emulation software for more information Setting Up the Switch with IP Information You are now ready to manually set up the Switch with IP information using the command line interface 1 The command line interface login sequence begins as soon as the Switch detects a connection to its console port If the login prompt does not begin immediately press Return a few times until it starts 2 At the login and password prompts enter admin as your user name and press Return at the password prompt If you have logged on correctly the top level menu of the command line interface is displayed as shown in the example in Figure 12 DUA1730 0AAA04 book Page 40 Thursday November 17 2005 2 59 PM Manually Configuring IP Information 41 Figure 12 Example top level command line interface menu 3 At the Select menu option prompt you can either enter the protocol ip basicConfig command At the Enter configuration method prompt enter manual The screen prompts y
59. s If the information in the release notes that are shipped with your product differ from the information in this guide follow the instructions in the release notes DUA1730 0AAA04 book Page 7 Thursday November 17 2005 2 59 PM 8 ABOUT THIS GUIDE Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format PDF or HTML on the 3Com World Wide Web site http www 3com com Conventions Table 1 and Table 2 list conventions that are used throughout this guide Table 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 or device Warning Information that alerts you to potential personal injury Table 2 Text Conventions Convention Description Screen displays This typeface represents information as it appears on the screen Syntax The word syntax means that you must evaluate the syntax provided and then supply the appropriate values for the placeholders that appear in angle brackets Example To change your password use the following syntax system password lt password gt In this example you must supply a password for lt password gt Commands The word command means that you must enter the command exactly as shown and then press Return or Enter Commands appear in bold Exam
60. s using the command line interface system management snmp community command refer to the command line interface section of the SuperStack 3 Switch Management Interface Reference Guide for more information Default Users and Passwords If you intend to manage the Switch using the web interface or the command line interface or to change the default passwords you need to log in with a valid user name and password The Switch has three default user names and each user name has a different password and level of access These default users are listed in Table 9 CAUTION To protect your Switch from unauthorized access you must change all three default passwords as soon as possible even if you do not intend to actively manage your Switch Table 9 Default Users Use the admin default user name no password to login and carry out initial Switch setup Changing Default Passwords You can change the default passwords using either The gettingStarted command on the CLI or The security device user modify command on the CLI or User Name Default Password Access Level monitor monitor monitor the user can view all manageable parameters except special security features but cannot change any manageable parameters manager manager manager the user can access and change the operational parameters but not special security features admin no password security the user can access and change all ma
61. same mechanism used by Windows 98 and Windows 2000 IP addresses configured by Auto IP are temporary as they cannot be routed but are useful for small networks which are not connected to other networks or for initial configuration DUA1730 0AAA04 book Page 33 Thursday November 17 2005 2 59 PM 34 CHAPTER 3 SETTING UP FOR MANAGEMENT However as soon as a DHCP or BootP server is detected the Switch will configure itself with the IP address allocated by that server When using automatic IP configuration it is important that the IP address of the Switch is static otherwise you will not know what the IP address is and it will be difficult to manage Most DHCP and BootP servers allow static IP addresses to be configured so that you know what IP address will be allocated to the Switch Refer to the documentation that accompanies your DHCP BootP server For a detailed description of how automatic IP configuration operates please refer to the Implementation Guide on the CD ROM that accompanies your Switch or on the 3Com Web site You should use the automatic IP configuration method if your network uses DHCP or BootP to allocate IP information or flexibility is needed If the Switch is re deployed onto a different subnet it will automatically reconfigure itself with an appropriate IP address instead of you having to manually reconfigure the Switch If you use the automatic IP configuration method you need to discover the au
62. ses of the lower unit Stacking Units Up to four Switch 4200 Family units can be stacked together and then treated as a single manageable unit with one IP address Any combination of Switch 4200 Family units is allowed in a single stack The units are connected together via the 10 100 1000BASE T ports on the front of the unit as shown in Figure 6 Starting from the base of the stack the port marked with up is connected to the port marked with down on the unit above Cable lengths of between 14 cm 5 5 in and 100 m 328 ft can be used for stacking Figure 6 Stacking example The unit LEDs will display the unit number in the stack from 1 at the bottom to 4 at the top 3Com recommends that when you add a new unit to a stack you should first initialize it to factory default settings Any Switch 4200 unit can be added to the stack including the Switch 26 Port 3C17300A the Switch 50 Port 3C17302A and the Switch 28 Port 3C17304A You must install the latest software version on all units in the stack Power Self Test Alert 21 9 10 22 11 23 12 24 8 20 1 13 19 7 18 6 17 5 16 4 15 3 14 2 26 Down 25 Up 1 2 3 4 Unit Power Self Test Alert 21 9 10 22 11 23 12 24 8 20 1 13 19 7 18 6 17 5 16 4 15 3 14 2 26 Down 25 Up 1 2 3 4 Unit 3C17304A Superstack 3 Switch 4200 28 Port Power Self Test Alert 21 9 10 22 11 23 12 24 8 20 1 13 19 7 18
63. ss Return a few times until it starts 3 At the login and password prompts enter admin as your user name and press Return at the password prompt If you have logged on correctly the top level menu of the command line interface is displayed as shown in the example in Figure 14 Figure 14 Example top level command line interface menu 4 At the Select menu option prompt enter the protocol ip interface summary command At the Select IP interfaces Menu options 3Com Superstack 3 Switch 4200 bridge Administer bridge wide parameters gettingStarted Basic device configuration logout Logout of the Command Line Interface physicalInterface Administer physical interfaces protocol Administer protocols security Administer security system Administer sytem level functions trafficManagement Administer traffic management Type For help 1 Select menu option DUA1730 0AAA04 book Page 44 Thursday November 17 2005 2 59 PM Methods of Managing a Switch 45 prompt enter all A summary of the automatically allocated IP information is displayed Make a note of the Network IP Address The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen management method See Methods of Managing a Switch on page 45 If you do not intend to use the command line interface via the console port to manage t
64. ss the management software that resides on the Switch This is known as managing the Switch Managing the Switch can help you to improve the efficiency of the Switch and therefore the overall performance of your network This chapter explains the initial set up of the Switch and the different methods of accessing the management software to manage a Switch It covers the following topics Setting Up Overview Manually Configuring IP Information Viewing Automatically Configured IP Information Methods of Managing a Switch Setting Up Command Line Interface Management Setting Up Web Interface Management Setting Up SNMP Management Default Users and Passwords DUA1730 0AAA04 book Page 31 Thursday November 17 2005 2 59 PM 32 CHAPTER 3 SETTING UP FOR MANAGEMENT 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 The whole setup process is summarised in Figure 8 Detailed procedural steps are contained in the sections that follow In brief you need to Configure IP information manually for your Switch or view the automatically configured IP information Prepare for your chosen method of management Figure 8 Initial Switch Setup and Management Flow diagram CAUTION To protect your Switch from unauthorized access you must change all three default passwords as soon as poss
65. ssing 55 LEDs 54 Solving software upgrade problems 57 stack formation problems 56 product name 22 R rack mounting a Switch 4200 21 Redundant Power System See RPS RPS 17 connecting 25 socket 17 S safety information English 60 French 62 German 64 serial number of the Switch 22 serial port See console port Simple Network Management Protocol See SNMP SNMP 49 SNMP management 46 setting up 49 socket power 17 RPS 17 specifications system 71 Stacking units 23 straight through configuration 25 Switch automatic setup 42 Switch 4200 3C number 22 console port 17 dimensions 71 Ethernet address 22 features 12 installation 19 20 MAC address 22 power socket 17 powering up 24 product name 22 rack mounting 21 RPS socket 17 serial number 22 size 71 stacking 23 unit information label 22 weight 71 system specifications 71 T troubleshooting 53 U unit information label 22 W Web browsers choosing 48 web interface choosing a browser 48 web interface management 46 setting up 48 DUA1730 0AAA04 book Page 82 Thursday November 17 2005 2 59 PM REGULATORY NOTICES FCC STATEMENT 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 provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses
66. t method See Methods of Managing a Switch on page 45 Using Command Line Interface via Telnet Accessing the Command Line Interface via Telnet or Windows HyperTerminal using TCP IP may not work correctly on some platforms unless it has been configured to send line feeds with carriage returns To set this for telnet enter set crlf when in command mode To set this for HyperTerminal click on the Settings tab in the Properties screen click on ASCII Setup and ensure that Send line ends with line feeds is checked within the ASCII Sending section You should not configure HyperTerminal in this way if you are using a console cable to make a direct connection to the Switch 1 To start a Telnet session to the unit click Start in Microsoft Windows 2000 XP a Click Run b In the dialogue box that appears type the default IP address of the unit that is Telnet 169 254 100 100 c Click OK 2 Press Enter to open a login prompt If the login prompt does not begin immediately press Return a few times until it starts 3 At the login and password prompts enter admin as your user name and press Return at the password prompt If you have logged on correctly the DUA1730 0AAA04 book Page 37 Thursday November 17 2005 2 59 PM 38 CHAPTER 3 SETTING UP FOR MANAGEMENT top level menu of the command line interface is displayed as shown in the example in Figure 10 Figure 10 Example top level command line interface menu 4 At the S
67. tch and to the supply outlet If the connection is secure and there is still no power you may have a faulty power cord or an internal fault Firstly check the power cord by testing it in another device connecting a working power cord to the problem device then contact your supplier for advice On powering up the Power Self Test LED lights yellow The Switch unit has failed its Power On Self Test POST because of an internal problem If a port has failed it s POST it s LED will flash green yellow alternately to indicate that the port is disabled Contact your supplier for advice A link is connected and yet the Status LED for the port does not light Check that The Switch and the device at the other end of the link or cable are connected securely The devices at both ends of the link are powered up The quality of cable is satisfactory Auto negotiation settings are the same at both ends Auto negotiation problems will occur with all ports where auto negotiation is disabled and incorrect cables are being used cross over or straight DUA1730 0AAA04 book Page 54 Thursday November 17 2005 2 59 PM Solving Hardware Problems 55 Solving Hardware Problems SNMP fan fail trap hardware failure In the rare event of your Switch unit experiencing an SNMP fan fail trap hardware failure refer to the suggested solution below 1 Power off the unit 2 Check that the air vents a
68. teckdosen angeschlossen werden DUA1730 0AAA04 book Page 65 Thursday November 17 2005 2 59 PM 66 APPENDIX A SAFETY INFORMATION VORSICHT Faseroptikanschl sse Optische Sicherheit Niemals ein bertragungslaser betrachten w hrend dieses eingeschaltet ist Niemals direkt auf die Faseransnchl sse und auf die Faserkabelenden schauen w hrend diese eingeschaltet sind VORSICHT Die Verwendung von Steuerelementen oder die Anpassung von Leistungen und Verfahren in anderer als der hierin genannten Weise kann zu gef hrlichen Laseremissionen f hren DUA1730 0AAA04 book Page 66 Thursday November 17 2005 2 59 PM B PIN OUTS Null Modem Cable 9 pin to RS 232 25 pin PC AT Serial Cable 9 pin to 9 pin Screen TxD RxD Ground RTS CTS DSR DCD DTR Screen RxD TxD Ground RTS DTR CTS DSR DCD Shell 3 2 5 7 8 6 1 4 1 3 2 7 4 20 5 6 8 Switch 4200 Cable connector 9 pin female PC Terminal Cable connector 25 pin male female only required if screen always required required for handshake Screen DTR TxD RxD CTS Ground DSR RTS DCD Screen DCD RxD TxD DTR Ground DSR RTS CTS Shell 4 3 2 8 5 6 7 1 Shell 1 2 3 4 5 6 7 8 Switch 4200 Cable connector 9 pin female PC AT Serial Port Cable connector 9 pin female only required if screen always required always required required for handshake required for handshake Required for han
69. the current software release including new features modifications and known problems There are other publications you may find useful such as Documentation accompanying the Advanced Redundant Power system Words in italics Italics are used to Emphasize a point Denote a new term at the place where it is defined in the text Identify menu names menu commands and software button names Examples From the Help menu select Contents Click OK Table 2 Text Conventions continued Convention Description DUA1730 0AAA04 book Page 9 Thursday November 17 2005 2 59 PM 10 ABOUT THIS GUIDE Documentation accompanying 3Com Network Supervisor This is supplied on the CD ROM that accompanies the Switch Accessing Online Documentation The CD ROM supplied with your Switch contains the following online documentation SuperStack 3 Switch Management Quick Reference Guide PDF format SuperStack 3 Switch Implementation Guide PDF format SuperStack 3 Switch Management Interface Reference Guide HTML format 1 To access the documentation insert the CD ROM into your CD ROM drive If your PC has auto run enabled a splash screen will be displayed automatically 2 Select the Documentation section from the contents page If the online documentation is to be accessed from a local drive or server you will need to access the CD ROM contents via the root directory and copy the
70. tilis s comme prises de t l phone conventionnelles standard ni pour la connection de l unit un r seau t l phonique central priv ou public Raccorder seulement connecteurs de donn es RJ 45 syst mes de r seaux de t l phonie ou t l phones de r seaux ces prises Il est possible de raccorder des c bles prot g s ou non prot g s avec des jacks prot g s ou non prot g s ces prises de donn es AVERTISSEMENT Ports pour fibres optiques s curit sur le plan optique Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais directement le port fibres optiques et les embouts de c bles fibres optiques tant qu ils sont sous tension AVERTISSEMENT L utilisation de contr les de r glages de performances ou de proc dures autres que ceux qui sont sp cifi s au sein du pr sent document risquent d entra ner l exposition des rayonnements laser dangereux Wichtige Sicherheitsinformationen VORSICHT Die Installation und der Ausbau des Ger ts darf nur durch Fachpersonal erfolgen VORSICHT Wenn die Switch 4200 Einheit in einer Stapel mit anderen SuperStack 3 Hub Einheiten eingebaut werden soll mu die Switch 4200 Einheit unter die schmaleren Hub Einheiten eingebaut werden VORSICHT Das Ger t mu geerdet sein DUA1730 0AAA04 book Page 64 Thursday November 17 2005 2 59 PM Wichtige Sicherheitsinformationen 65 VORSICHT Das Ger t mu an eine geerdete Steckdose angeschl
71. tion before you can begin to manage the Switch You can discover the IP information in two ways Using 3Com Network Supervisor This application will auto discover the Switch and display the automatically allocated IP information assigned to the Switch Connecting to the Console Port Connect a workstation using a console cable to the console port of the Switch You can then view the IP information automatically assigned to the Switch using the command line interface CLI Using 3Com Network Supervisor You can use the 3Com Network Supervisor application provided on the CD ROM that accompanies your Switch to discover the automatically allocated IP information 1 Connect your Switch to the network 2 Power up the Switch and wait for two minutes 3 Launch 3Com Network Supervisor and run the Auto discovery wizard 3Com Network Supervisor will auto discover the new Switch and display the IP information that has been automatically allocated to the Switch Most DHCP and BootP servers allow static IP addresses to be configured so that you know what IP address the Switch will be given Refer to the documentation that accompanies your DHCP or BootP server If your network does not have a DHCP or BootP server the workstation running 3Com Network Supervisor must be on the same subnet as the Switch because Auto IP addresses are non routable Connecting to the Console Port Alternatively you can view the automatically config
72. tomatically allocated IP information before you can begin management Work through the Viewing Automatically Configured IP Information section on page 42 Preparing 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 45 For detailed information about the specific web interface operations and command line interface commands and problem solving refer to the SuperStack 3 Switch Management Interface Reference Guide on the CD ROM that is supplied with the Switch or on the 3Com Web site DUA1730 0AAA04 book Page 34 Thursday November 17 2005 2 59 PM Manually Configuring IP Information 35 Manually Configuring IP Information You can manually configure the Switch IP information in the following ways Connecting to a front panel port Connect a workstation using an Ethernet cable to a front panel port of the Switch You can then manually enter IP information using the web interface or the command line interface CLI Connecting to the console port Connect a workstation using a console cable to the console port of the Switch You can then manually enter IP information using the command line interface CLI Connecting to a Front Panel Port To set up your Switch manually you can make a connection to a front panel port You must do this whilst the Switch is offline that is before you connect t
73. ts of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada CE STATEMENT EUROPE This product complies with the European Low Voltage Directive 73 23 EEC and EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC Warning This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures VCCI STATEMENT DUA1730 0AAA04 book Page 83 Thursday November 17 2005 2 59 PM DUA1730 0AAA04 book Page 84 Thursday November 17 2005 2 59 PM
74. ty Follow all directions carefully You must read the following safety information carefully before you install or remove the unit AVERTISSEMENT Les avertissements pr sentent des consignes que vous devez respecter pour garantir votre s curit personnelle Vous devez respecter attentivement toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de s curit avant d installer ou de retirer l appareil VORSICHT Warnhinweise enthalten Anweisungen die Sie zu Ihrer eigenen Sicherheit befolgen m ssen Alle Anweisungen sind sorgf ltig zu befolgen Sie m ssen die folgenden Sicherheitsinformationen sorgf ltig durchlesen bevor Sie das Ger t installieren oder ausbauen DUA1730 0AAA04 book Page 59 Thursday November 17 2005 2 59 PM 60 APPENDIX A SAFETY INFORMATION Important Safety Information WARNING Installation and removal of the unit must be carried out by qualified personnel only WARNING If installing the Switch 4200 Series unit in a stack with SuperStack II or SuperStack 3 units that are narrower than the 4200 Series the Switch 4200 Series unit must be installed below the narrower units WARNING The unit must be earthed grounded WARNING Connect the unit to an earthed power supply to ensure compliance with safety standards WARNING Power Cord Set This must be approved for the country where it is used WARNING The appliance coupler the connector to the unit and not th
75. ured IP information via the command line interface CLI through a connection to the console port This example describes a local connection to the console port rather than a remote one via a modem Pre requisites A workstation with terminal emulation software installed such as Microsoft Hyperterminal This software allows you to communicate with the Switch via the console port directly or through a modem Documentation supplied with the terminal emulation software DUA1730 0AAA04 book Page 42 Thursday November 17 2005 2 59 PM Viewing Automatically Configured IP Information 43 A suitable cable A standard null modem cable if you are connecting directly to the console port or A standard modem cable if you are connecting to the console port using a modem You can find pin out diagrams for both cables in Appendix B on page 67 A Category 5 twisted pair Ethernet cable with RJ 45 connectors to connect your Switch to the network Connecting the Workstation to the Switch 1 Connect the workstation to the console port using a standard null modem cable as shown in Figure 13 Figure 13 Connecting a workstation to the Switch via the console port To connect the cable a Attach the female connector on the cable to the male connector on the console port of the Switch b Tighten the retaining screws on the cable to prevent it from being loosened c Connect the other end of the cable to
76. ws and tighten with a suitable screwdriver You must use the screws supplied with the 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 inch rack and secure with suitable screws not provided Ensure that ventilation holes are not obstructed 6 Connect network cabling 7 Finally place a unit information label on the unit in an easily accessible position The unit information label shows the following The 3Com product name of the Switch The 3Com 3C number of the Switch The unique MAC address Ethernet address of the Switch The serial number of the Switch You may need this information for fault reporting purposes DUA1730 0AAA04 book Page 22 Thursday November 17 2005 2 59 PM Placing Units On Top of Each Other 23 Placing Units On Top of Each Other If the Switch units are free standing up to eight units can be placed one on top of the other If you are mixing a variety of SuperStack 3 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 pads to the underside of each Switch sticking one in the marked area at each corner Place the Switch units on top of each other ensuring that the pads of the upper unit line up with the reces
77. xisting stack will cause the remaining stack to renumber Removing a Switch 4200 Family unit from the middle of an existing stack will cause the other Switches in the stack to divide into two stacks Units below the unit removed will not renumber units above will renumber Removing a Switch 4200 Family unit from the top of an existing stack will have no effect on the remaining stack If you are having problems refer to Solving Stack Formation Problems on page 56 The Power up Sequence The following sections describe how to get your Switch 4200 Family powered up and ready for operation Powering up the Switch 4200 Family Use the following sequence of steps to power up the Switch 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 10 seconds Checking for Correct Operation of LEDs During the Power On Self Test all ports on the Switch are disabled and the LEDs light in a set sequence DUA1730 0AAA04 book Page 24 Thursday November 17 2005 2 59 PM The Power up Sequence 25 When the POST has completed check the Power On Self Test LED to make sure that your Switch is operating correctly Table 6 shows possible colors for the LED Table 6 Power Self Test LED colors In addition check the Unit LEDs on all Switches in the sta

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