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3Com manual Key, Switch 9100 used in a backbone configuration

Models: 9100

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Network Configuration Example

19

Switch 3300

Switch 3300

Switch 3300

Switch 3300

Switch 9100	To Backbone

	Key
	Fast Ethernet				Server




	Gigabit Ethernet				Workstation

Figure 1 Switch 9100 used in a backbone configuration

91_001

The Switch 3300 on each floor has a 1000Mbps full-duplex link to the Switch 9100. Two servers on one floor of the building are connected to the Switch 9100 by way of two Gigabit Ethernet links. The two Gigabit Ethernet fiber ports on the Switch 9100 connect into a Gigabit Ethernet campus backbone.

Using Gigabit Ethernet as a backbone technology removes bottlenecks by providing scalable bandwidth, low-latency, and high-speed data switching.

Image 19

3Com manual Key, Switch 9100 used in a backbone configuration

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 conceptsScreen displays ConventionsIcon Description Convention DescriptionCompliance RelatedDocumentation YearAbout this Guide About Switch 9100 OverviewSwitch FeaturesSimple Network Management Protocol Snmp Virtual LANs VLANs For information on load sharing, refer to ChapterExample ConfigurationQuality of Service QoS NetworkKey Switch 9100 used in a backbone configurationView Front panel has the following featuresPorts Color Indicates 1000BASE-SX Port Status LEDs Describes the LED behavior on the SwitchLEDs Standard Media Type Mhz/Km Rating Maximum DistanceColor Indicates 100/1000BASE-TX Port Status LEDs Switch 9100 Rear shows the Switch 9100 rear viewUnit Status LED MAC Address Power SocketsReset Button Serial NumberPublic Determining Installation and SetupLocation Tabletop InstallingRack Mounting Installing the Switch 9100 Function Pin Number Direction Connecting Equipment to the Console PortSwitch Flashes until the switch has successfully passed the Post InstallationFirst Time Default Vlan named defaultLogin admin Logging on forInstallation and Setup Accessing the Switch Accessing the Switch Be a range of numbers, for example You could enter the following shortcutReboot date time cancel Symbol DescriptionConfig vlan name ipaddress ipaddress Config snmp community readonly readwrite stringLine-Editing Keys Create account admin user username encrypted passwordCommand Description Disable idletimeout Disable bootp vlan name allDisable cli-config-logging Disable clipaging3C177052 Configuring Management AccessUnconfig switch all Show bannerAccount Name Access Level Changing the Default Password3C1770519# Viewing Accounts Create account admin user username encryptedShow accounts Deleting an Account Methods Managing SwitchUsing Access ProfilesConfig access-profile accessprofile To view the contents of an access profile, type Access Profile ExampleUsing a Bootp Server Using TelnetTo view the Telnet configuration, type Connecting to Another Host Using TelnetManually Configuring the IP Settings Your changes take effect immediately Config vlan name ipaddress ipaddress subnetmaskConfig iproute add default ipaddress metric For exampleShow session Terminate the session by using the following commandClear session sessionnumber IP Host CommandsUsing the Web On the switchSupported MIBs Using SnmpAccessing Switch AgentsEnable Snmp traps Enable Snmp accessCommand Connectivity Ping command syntax isOptions for the ping command are described in Table Checking BasicDisabling Switch 9100 PortsConfiguring Switch Port Speed Duplex Setting EnablingConfig ports portlist qosprofile Enable learning ports portlistEnable ports portlist Enable sharing masterportShow ports portlist txerrors Disable learning ports portlistDisable ports portlist Disable sharing masterportAccessing the Switch Enable sharing 4 grouping Sharing ConfigurationPort-Mirroring Verifying the LoadShow mirroring CommandsDisable mirroring ExampleAccessing the Switch VLANs provide extra security VLANs help to control trafficVLANs 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 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 AppleTalk Following protocol filters are predefined on the switchNetBIOS DECNet IPX8022 Predefined Protocol FiltersDefining Protocol Filters Config protocol protocolname add protocoltype HexvalueCreate protocol protocolname Deleting a Protocol Filter Vlan NamesPackets Over Protocol On the Switch Configuring VLANs6 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 Following example adds a permanent entry to the FDB Config fdb agingtime numberDisable learning ports EntriesDisplaying 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 Protocol Spanning Tree Protocol STPOverview Spanning TreeNetwork with an illegal topology Traffic flowing through Bridge B InitializationDomains ReconfigurationStabilization STPD2 contains VLANs Manufacturing and Engineering Stpd Marketing & Sales Marketing, Sales & Engineering Create stpd stpdname Configuring STP on the SwitchConfig stpd stpdname add vlan name Enable stpd stpdnameEnable stpd port portlist Shows the commands used to configure STPDisplaying STP SettingsThrough 3, and port Listed in Table Resetting STPSpanning 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 addressesBlackhole Command to clear the FDB is as followsVerifying MAC-Based QoS Settings Or the commandPhysical and Logical Groupings Config dot1p type dot1pvalue qosprofile qosnameEnable dot1p replacement ports portlist all 802.1p PacketsVerifying Physical and Logical Groupings Source PortDisplaying QoS Information QoS Monitor Verifying Configuration PerformanceShow ports portlist qosmonitor Disable qosmonitor Enable qosmonitor port portConfiguring QoS Quality of Service QOS Status Monitoring Statistics Show memory Show log configShow switch Show log priorityPort 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 Clear log static Is specific to the problemWhere the following is true Level DescriptionConfigure remote logging by using the following command To configure the log display, use the following commandReal-Time Display Disable syslog Disable log displayClear Counters Rmon features supported by the switchOn the network Allows you to monitor LANs remotelyStatistics AlarmsHistory Reducing the Traffic Load EventsImproving Efficiency Allowing Proactive ManagementEvents Rmon Group Support Supplied by the Switch StatisticsAlarms HistoryAction High Threshold Enable disable rmonStatus 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 New Image Software Upgrade and Boot OptionsSecondary image and configuration file on the switch Downloading aSaving Rebooting the SwitchChanges Upgrading Software Upgrade and Boot Options Save configuration primary Boot OptionShow configuration Cancel optionSoftware 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 TroubleshootingTelnet workstation cannot access the device Using Command-Line InterfaceSwitch does not power up Snmp Network Manager cannot access the devicePermanent entries remain in the FDB Traps are not received by the Snmp Network ManagerPort 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 portVlan 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 Country Data Rate Telephone Number Access by Analog ModemUsername anonymous Hours a day, 7 days a week847 262 Access by Digital Modem408 727 Country Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle EastCountry Telephone Number Fax Number Page Glossary Collision BridgeBroadcast Broadcast stormGlossary Loop IP addressLatency Line speedPort trunks See load sharing Segment RepeaterResilient link RouterTelnet SwitchSwitch Database Standby portGlossary 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