Technical Support, Online Technical, Services | 3Com 9100 specification

D

TECHNICAL SUPPORT

	3Com provides easy access to technical support information through a
	variety of services. This appendix describes these services.
	Information contained in this appendix is correct at time of publication. For
	the most recent information, 3Com recommends that you access the
	3Com Corporation World Wide Web site.

Online Technical	3Com offers worldwide product support 24 hours a day, 7 days a week,
Services	through the following online systems:
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	■ 3Com Knowledgebase Web Services
	■ 3Com FTP site
	■ 3Com Bulletin Board Service (3Com BBS)
	■ 3Com FactsSM Automated Fax Service
World Wide Web Site	To access the latest networking information on the 3Com Corporation
	World Wide Web site, enter this URL into your Internet browser:
	http://www.3com.com/
	This service provides access to online support information such as technical
	documentation and software, as well as support options that range from
	technical education to maintenance and professional services.
3Com	This interactive tool contains technical product information compiled by
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Services	Wide Web at http://knowledgebase.3com.com, this service gives all
	3Com customers and partners complementary, round-the-clock access to
	technical information on most 3Com products.

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3Com 9100 manual Technical Support, Online Technical, Services

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 concepts Icon Description ConventionsConvention Description Screen displays Documentation RelatedYear Compliance About this Guide Switch Switch 9100 OverviewFeatures About Simple Network Management Protocol Snmp Virtual LANs VLANs For information on load sharing, refer to Chapter Quality of Service QoS ConfigurationNetwork Example Key Switch 9100 used in a backbone configuration View Front panel has the following featuresPorts LEDs Describes the LED behavior on the SwitchStandard Media Type Mhz/Km Rating Maximum Distance Color Indicates 1000BASE-SX Port Status LEDs Color Indicates 100/1000BASE-TX Port Status LEDs Switch 9100 Rear shows the Switch 9100 rear viewUnit Status LED Reset Button Power SocketsSerial Number MAC Address Public Determining Installation and SetupLocation Tabletop InstallingRack Mounting Installing the Switch 9100 Function Pin Number Direction Connecting Equipment to the Console Port Switch Flashes until the switch has successfully passed the Post Installation Login admin Default Vlan named defaultLogging on for First Time Installation and Setup Accessing the Switch Accessing the Switch Be a range of numbers, for example You could enter the following shortcut Config vlan name ipaddress ipaddress Symbol DescriptionConfig snmp community readonly readwrite string Reboot date time cancel Line-Editing Keys Create account admin user username encrypted password Command Description Disable cli-config-logging Disable bootp vlan name allDisable clipaging Disable idletimeout Unconfig switch all Configuring Management AccessShow banner 3C177052 Account Name Access Level Changing the Default Password3C1770519# Viewing Accounts Create account admin user username encryptedShow accounts Using Access Methods Managing SwitchProfiles Deleting an Account Config access-profile accessprofile To view the contents of an access profile, type Access Profile Example To view the Telnet configuration, type Using TelnetConnecting to Another Host Using Telnet Using a Bootp Server Manually Configuring the IP Settings Config iproute add default ipaddress metric Config vlan name ipaddress ipaddress subnetmaskFor example Your changes take effect immediately Show session Terminate the session by using the following commandClear session sessionnumber Using the Web CommandsOn the switch IP Host Accessing Switch Using SnmpAgents Supported MIBs Enable Snmp traps Enable Snmp access Command Options for the ping command are described in Table Ping command syntax isChecking Basic Connectivity Configuring Switch Port Speed Duplex Setting Switch 9100 PortsEnabling Disabling Enable ports portlist Enable learning ports portlistEnable sharing masterport Config ports portlist qosprofile Disable ports portlist Disable learning ports portlistDisable sharing masterport Show ports portlist txerrors Accessing the Switch Enable sharing 4 grouping Port-Mirroring ConfigurationVerifying the Load Sharing Disable mirroring CommandsExample Show mirroring Accessing the Switch VLANs provide extra security VLANs help to control traffic VLANs ease the change and movement of devices Igmp OverviewIgmp Snooping Enable igmp snooping Enable igmp vlan nameForward-mcrouter-only Forward-mcrouter-only is specified, Port-Based VLANs Types of VLANs Marketing Finance Sales Spanning Switches with Port-Based VLANs Switch AccountingEngineering Assigning a Vlan Tag Uses of Tagged VLANs Tagged Ports Shows a logical diagram of the same network Mixing Port-Based and Tagged VLANs NetBIOS DECNet IPX8022 Following protocol filters are predefined on the switchPredefined Protocol Filters AppleTalk Defining Protocol Filters Config protocol protocolname add protocoltype HexvalueCreate protocol protocolname Deleting a Protocol Filter Vlan NamesPackets Over Protocol On the Switch Configuring VLANs 6 to it To display Vlan settings, use the following command Displaying Vlan SettingsShow 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 FDB Displaying FDB Entries To display FDB entries, use the commandShow fdb macaddress vlan name portlist Permanent Delete Fdbentry macaddress vlan Removing FDBName Clear fdb macaddress vlan name portlist Forwarding Database FDB Overview Spanning Tree Protocol STPSpanning Tree Protocol Network with an illegal topology Traffic flowing through Bridge B Initialization Domains ReconfigurationStabilization 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 stpdname Enable stpd port portlist Shows the commands used to configure STP Displaying STP SettingsThrough 3, and port Listed in Table Resetting STP Spanning Tree Protocol STP Quality of Service Quality of Service QOSBuilding Blocks QoS Profiles Profile Name Priority Minimum Bandwidth Maximum Bandwidth Vlan Dynamic MAC Addresses Permanent MAC addresses Verifying MAC-Based QoS Settings Command to clear the FDB is as followsOr the command Blackhole Enable dot1p replacement ports portlist all Config dot1p type dot1pvalue qosprofile qosname802.1p Packets Physical and Logical Groupings Verifying Physical and Logical Groupings Source Port Displaying QoS Information QoS Monitor Verifying Configuration PerformanceShow ports portlist qosmonitor Disable qosmonitor Enable qosmonitor port port Configuring QoS Quality of Service QOS Status Monitoring Statistics Show switch Show log configShow log priority Show memory Port Statistics To view port statistics, use the following commandAccuracy To view port transmit errors, use the following command Port ErrorsTo view port receive errors, use the following command Display Keys Port MonitoringLogging Where the following is true Is specific to the problemLevel Description Clear log static Configure remote logging by using the following command To configure the log display, use the following commandReal-Time Display Disable syslog Disable log display On the network Rmon features supported by the switchAllows you to monitor LANs remotely Clear Counters Statistics AlarmsHistory Improving Efficiency EventsAllowing Proactive Management Reducing the Traffic Load Alarms Rmon Group Support Supplied by the Switch StatisticsHistory Events Action High Threshold Enable disable rmon Status Monitoring and Statistics Enabling Disabling Web Access Using the WEB InterfaceTo re-enable Web access, use the following command Accessing the Web Setting Up YourBrowser Task Frame Navigating the Web InterfaceWebserver busy Status Messages Browser ControlsSelection Type Key Sequence Saving Changes Configuring a VlanDo a Get When Using the WEB Interface Secondary image and configuration file on the switch Software Upgrade and Boot OptionsDownloading a New Image Saving Rebooting the SwitchChanges Upgrading Software Upgrade and Boot Options Show configuration Boot OptionCancel option Save configuration primary Software Upgrade and Boot Options Safety Information Information Important Safety Lithium Battery Appendix a Safety Information Sécurité Importante ’information de Appendix a Safety Information Batterie au lithium Europe Wichtige Sicherheitsinformat ionen Lithiumbatterie Warnung Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information Technical Specifications Terminal Emulation Protocols Used for Administration LEDs Troubleshooting Switch does not power up Using Command-Line InterfaceSnmp Network Manager cannot access the device Telnet workstation cannot access the device Permanent entries remain in the FDB Traps are not received by the Snmp Network Manager Port Configuration No link light on 100/1000BASE-TX port You forget your password and cannot logExcessive RX CRC errors VLANs You cannot add a port to a Vlan No link light on Gigabit fiber port Vlan names VLANs, IP Addresses and default routes802.1Q links do not work correctly Using the Command-Line Interface Appendix C Troubleshooting Technical Support ServicesOnline Technical Username anonymous Access by Analog ModemHours a day, 7 days a week Country Data Rate Telephone Number 847 262 Access by Digital Modem408 727 Country Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle East Country Telephone Number Fax Number Page Glossary Broadcast BridgeBroadcast storm Collision Glossary Latency IP addressLine speed Loop Port trunks See load sharing Resilient link RepeaterRouter Segment Switch Database SwitchStandby port Telnet Glossary Index AdminNumbers 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