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3Com 9100 manual Technical Specifications Troubleshooting

Models: 9100

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Upgrading BootROM	133
Accessing the BootROM menu 133
Boot Option Commands	135

ASAFETY I NFORMATION

	Important Safety Information 138
	Lithium Battery		140
	L’information de Sécurité Importante			141
	Batterie au lithium		143
	Wichtige Sicherheitsinformationen			144
	Europe 144
	Lithiumbatterie		145
B
B	TECHNICAL SPECIFICATIONS
C
C	TROUBLESHOOTING
	Port Configuration		152
	VLANs	153
	STP	155

DTECHNICAL S UPPORT

Online Technical Services		157
World Wide Web Site		157
3Com Knowledgebase Web Services				157
3Com FTP Site	158
3Com Bulletin Board Service			158
Access by Analog Modem			158
Access by Digital Modem			159
3Com Facts Automated Fax Service				159
Support from Your Network Supplier 159
Support from 3Com	159
Returning Products for Repair			161

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3Com 9100 manual Technical Specifications Troubleshooting

Contents

SuperStack Switch User Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Installation and Setup Virtual Lans Vlans Forwarding Database FDB Quality of Service QOS Using the WEB Interface Technical Specifications Troubleshooting Page About this Guide Ethernet concepts Ethernet switching and bridging conceptsIcon Description ConventionsConvention Description Screen displaysDocumentation RelatedYear ComplianceAbout this Guide Switch Switch 9100 OverviewFeatures AboutSimple Network Management Protocol Snmp Virtual LANs VLANs For information on load sharing, refer to ChapterQuality of Service QoS ConfigurationNetwork ExampleKey Switch 9100 used in a backbone configurationFront panel has the following features ViewPorts LEDs Describes the LED behavior on the SwitchStandard Media Type Mhz/Km Rating Maximum Distance Color Indicates 1000BASE-SX Port Status LEDsSwitch 9100 Rear shows the Switch 9100 rear view Color Indicates 100/1000BASE-TX Port Status LEDsUnit Status LED Reset Button Power SocketsSerial Number MAC AddressPublic Installation and Setup DeterminingLocation Installing TabletopRack Mounting Installing the Switch 9100 Function Pin Number Direction Connecting Equipment to the Console PortSwitch Flashes until the switch has successfully passed the Post InstallationLogin admin Default Vlan named defaultLogging on for First TimeInstallation and Setup Accessing the Switch Accessing the Switch Be a range of numbers, for example You could enter the following shortcutConfig vlan name ipaddress ipaddress Symbol DescriptionConfig snmp community readonly readwrite string Reboot date time cancelLine-Editing Keys Create account admin user username encrypted passwordCommand Description Disable cli-config-logging Disable bootp vlan name allDisable clipaging Disable idletimeoutUnconfig switch all Configuring Management AccessShow banner 3C177052Changing the Default Password Account Name Access Level3C1770519# Create account admin user username encrypted Viewing AccountsShow accounts Using Access Methods Managing SwitchProfiles Deleting an AccountConfig access-profile accessprofile To view the contents of an access profile, type Access Profile ExampleTo view the Telnet configuration, type Using TelnetConnecting to Another Host Using Telnet Using a Bootp ServerManually Configuring the IP Settings Config iproute add default ipaddress metric Config vlan name ipaddress ipaddress subnetmaskFor example Your changes take effect immediatelyTerminate the session by using the following command Show sessionClear session sessionnumber Using the Web CommandsOn the switch IP HostAccessing Switch Using SnmpAgents Supported MIBsEnable Snmp traps Enable Snmp accessCommand Options for the ping command are described in Table Ping command syntax isChecking Basic ConnectivityConfiguring Switch Port Speed Duplex Setting Switch 9100 PortsEnabling DisablingEnable ports portlist Enable learning ports portlistEnable sharing masterport Config ports portlist qosprofileDisable ports portlist Disable learning ports portlistDisable sharing masterport Show ports portlist txerrorsAccessing the Switch Enable sharing 4 grouping Port-Mirroring ConfigurationVerifying the Load SharingDisable mirroring CommandsExample Show mirroringAccessing the Switch VLANs provide extra security VLANs help to control trafficIgmp Overview VLANs ease the change and movement of devicesIgmp Snooping Enable igmp vlan name Enable igmp snoopingForward-mcrouter-only Forward-mcrouter-only is specified, Port-Based VLANs Types of VLANsMarketing Finance Sales Spanning Switches with Port-Based VLANsSwitch AccountingEngineering Assigning a Vlan Tag Uses of Tagged VLANsTagged Ports Shows a logical diagram of the same networkMixing Port-Based and Tagged VLANs NetBIOS DECNet IPX8022 Following protocol filters are predefined on the switchPredefined Protocol Filters AppleTalkConfig protocol protocolname add protocoltype Hexvalue Defining Protocol FiltersCreate protocol protocolname Vlan Names Deleting a Protocol FilterPackets Over Protocol On the Switch Configuring VLANs6 to it Displaying Vlan Settings To display Vlan settings, use the following commandShow vlan name Deleting VLANs Virtual Lans Vlans Forwarding Database FDB Associating a QoS Profile with an FDB Entry Disable learning ports Config fdb agingtime numberEntries Following example adds a permanent entry to the FDBTo display FDB entries, use the command Displaying FDB EntriesShow fdb macaddress vlan name portlist Permanent Removing FDB Delete Fdbentry macaddress vlanName Clear fdb macaddress vlan name portlist Forwarding Database FDB Overview Spanning Tree Protocol STPSpanning Tree ProtocolNetwork with an illegal topology Traffic flowing through Bridge B InitializationReconfiguration DomainsStabilization STPD2 contains VLANs Manufacturing and Engineering Stpd Marketing & Sales Marketing, Sales & Engineering Config stpd stpdname add vlan name Configuring STP on the SwitchEnable stpd stpdname Create stpd stpdnameEnable stpd port portlist Shows the commands used to configure STPSettings Displaying STPThrough 3, and port Listed in Table Resetting STPSpanning Tree Protocol STP Quality of Service QOS Quality of ServiceBuilding Blocks QoS Profiles Profile Name Priority Minimum Bandwidth Maximum Bandwidth Vlan Dynamic MAC Addresses Permanent MAC addressesVerifying MAC-Based QoS Settings Command to clear the FDB is as followsOr the command BlackholeEnable dot1p replacement ports portlist all Config dot1p type dot1pvalue qosprofile qosname802.1p Packets Physical and Logical GroupingsVerifying Physical and Logical Groupings Source PortVerifying Configuration Performance Displaying QoS Information QoS MonitorShow ports portlist qosmonitor Disable qosmonitor Enable qosmonitor port portConfiguring QoS Quality of Service QOS Status Monitoring Statistics Show switch Show log configShow log priority Show memoryTo view port statistics, use the following command Port StatisticsAccuracy Port Errors To view port transmit errors, use the following commandTo view port receive errors, use the following command Port Monitoring Display KeysLogging Where the following is true Is specific to the problemLevel Description Clear log staticTo configure the log display, use the following command Configure remote logging by using the following commandReal-Time Display Disable syslog Disable log displayOn the network Rmon features supported by the switchAllows you to monitor LANs remotely Clear CountersAlarms StatisticsHistory Improving Efficiency EventsAllowing Proactive Management Reducing the Traffic LoadAlarms Rmon Group Support Supplied by the Switch StatisticsHistory EventsAction High Threshold Enable disable rmonStatus Monitoring and Statistics Using the WEB Interface Enabling Disabling Web AccessTo re-enable Web access, use the following command Setting Up Your Accessing the WebBrowser Navigating the Web Interface Task FrameWebserver busy Browser Controls Status MessagesSelection Type Key Sequence Configuring a Vlan Saving ChangesDo a Get When Using the WEB Interface Secondary image and configuration file on the switch Software Upgrade and Boot OptionsDownloading a New ImageRebooting the Switch SavingChanges Upgrading Software Upgrade and Boot Options Show configuration Boot OptionCancel option Save configuration primarySoftware Upgrade and Boot Options Safety Information Information Important SafetyLithium Battery Appendix a Safety Information Sécurité Importante ’information deAppendix a Safety Information Batterie au lithium Europe Wichtige Sicherheitsinformat ionenLithiumbatterie Warnung Faseroptikanschlüsse Optische SicherheitAppendix a Safety Information Technical Specifications Terminal Emulation Protocols Used for AdministrationLEDs TroubleshootingSwitch does not power up Using Command-Line InterfaceSnmp Network Manager cannot access the device Telnet workstation cannot access the devicePermanent entries remain in the FDB Traps are not received by the Snmp Network ManagerYou forget your password and cannot log Port Configuration No link light on 100/1000BASE-TX portExcessive RX CRC errors VLANs You cannot add a port to a Vlan No link light on Gigabit fiber portVLANs, IP Addresses and default routes Vlan names802.1Q links do not work correctly Using the Command-Line Interface Appendix C Troubleshooting Services Technical SupportOnline Technical Username anonymous Access by Analog ModemHours a day, 7 days a week Country Data Rate Telephone NumberAccess by Digital Modem 847 262408 727 Country Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle EastCountry Telephone Number Fax Number Page Glossary Broadcast BridgeBroadcast storm CollisionGlossary Latency IP addressLine speed LoopPort trunks See load sharing Resilient link RepeaterRouter SegmentSwitch Database SwitchStandby port TelnetGlossary Admin IndexNumbers FDB Rmon Tftp Index Index Index of Commands 118 Index of Commands Index of Commands 3Com Corporation Limited Warranty Warranties Exclusive Governing LAW EMC Statements