Alcatel-Lucent 6300-24 manual Troubleshooting

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A Troubleshooting

subnet mask, and default gateway. If you have trouble establishing a link to the management agent, check to see if you have a valid network connection. Then verify that you entered the correct IP address. Also, be sure the port through which you are connecting to the switch has not been disabled. If it has not been disabled, then check the network cabling that runs between your remote location and the switch.

Caution: The management agent can accept up to four simultaneous Telnet sessions. If the maximum number of sessions already exists, an additional Telnet connection will not be able to log into the system.

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Contents OmniStack Part No -10, Rev. a DecemberPage Page Page Compliances and Safety Warnings Industry Canada Class B Safety Compliance Underwriters Laboratories Compliance StatementWarnhinweis Faseroptikanschlüsse Optische Sicherheit ViiWichtige Sicherheitshinweise Germany ViiiEnvironmental Statement End of Product Life SpanManufacturing Materials DocumentationPurpose Related PublicationsContents Appendix a Troubleshooting Appendix C SpecificationsAppendix B Cables Glossary IndexTables Tables Xii Figures Figures Xiv Switch Architecture IntroductionOverview Network Management OptionsDescription of Hardware 10/100/1000BASE-T PortsSFP Slots IntroductionCondition Status Status LEDsPort Status LEDs System LEDs System Status LEDs Features and Benefits Optional Backup Power SupplyPower Supply Receptacles Management Introduction to Switching Network PlanningNetwork Planning Application ExamplesCollapsed Backbone Network Aggregation Plan Network Aggregation PlanRemote Connection with Fiber Cable Remote Connection with Fiber CableMaking Vlan Connections Making Vlan ConnectionsApplication Notes Ethernet Cabling Installing the SwitchSelecting a Site Optional Rack-Mounting Equipment Equipment ChecklistPackage Contents Mounting Rack MountingMounting To rack-mount devicesInstalling the Switch in a Rack Desktop or Shelf MountingConnecting to a Power Source Installing an Optional SFP Transceiver into the SwitchConnecting to the Console Port Power ReceptacleDTE Port Wiring Map for Serial CableSerial Cable Wiring Switch’s 9-Pin Null Modem PC’s 9-Pin Installing the Switch Connecting to PCs, Servers, Hubs and Switches Connecting Network DevicesMaking Network Connections Twisted-Pair DevicesNetwork Wiring Connections Making Network ConnectionsFiber Optic SFP Devices Making LC Port ConnectionsConnector Connectivity Rules1000BASE-T Cable Requirements Mbps Gigabit Ethernet Collision Domain100 m 328 ft RJ-45 Mbps Fast Ethernet Collision DomainMbps Ethernet Collision Domain Cable Labeling and Connection Records Appendix a Troubleshooting Diagnosing Switch IndicatorsPower and Cooling Problems InstallationTroubleshooting 10BASE-T/100BASE-TX Pin Assignments Appendix B CablesTwisted-Pair Cable and Pin Assignments 1000BASE-T Pin Assignments CablesFiber Standards Fiber Standards BCables Appendix C Specifications Physical CharacteristicsCE Mark SpecificationsCompliances Glossary Glossary-1Glossary Glossary-2LED Glossary-3Glossary Glossary-4 Index Index-1Index Index-2Page 060190-10