Dell B-FCX manual Troubleshooting network connections

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3 Troubleshooting network connections

48	PowerConnect B-FCX Switch Hardware Installation Guide
	53-1002267-01

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Contents PowerConnect B-FCX Switch Page Contents Checking Network Devices and Testing Connectivity Managing the PowerConnect B-FCX HardwareChapter Troubleshooting PowerConnect B-FCX Switch Hardware Installation Guide Document conventions AudienceSupported hardware and software Text formattingCommand Parameters Command syntax conventionsRelated publications Getting technical help or reporting errors Contacting DellPowerConnect B-FCX Switch Hardware Installation Guide Hardware features Product OverviewPowerConnect B-FCX624s front panel Hardware features Control featuresDevice Label on required power supply Serial management interface DB9 Console port Hardware features Out-of-band RJ45 management InterfacePowerConnect B-FCX 10/100/1000 BASE-T ports Out-of-band RJ45 management interfaceSlot designations Device SlotOptional two-port 10 Gbps XFP uplink module SFP interfacesInterface Show Media Description Four-port 1 Gbps SFP module status LEDs Optional Four-port 1 Gbps SFP and 10 Gbps SFP+ modulesOptional 10Gbps XFP module is not hot-swappable Condition Status16/10 Gbps Ethernet CX4 stacking ports Cable specifications for CX4 stacking portsFour-port 10 Gbps SFP+ module status LEDs Port status LEDs Hardware features System status LEDs Power status LEDsSwitch Status StateHardware features Port status LEDs SFP+Power supplies Switch Status RedundancyPower supply unit operation Unpacking the device Package contentsGeneral requirements Follow all precautions when installing a Dell device Installation tasksInstallation precautions Task Where to Find More Information NumberPower precautions General precautionsLifting precautions Installation precautionsPreparing the installation site Preparing the installation siteInstallation location Cabling infrastructureInstalling the device Desktop installationRack mount installation Connecting devices in a stack PowerConnect B-FCX624s and PowerConnect B-FCX648s devicesPowerConnect B-FCX Switch Hardware Installation Guide PowerConnect B-FCX624 and PowerConnect B-FCX648 devices Powering on the system Attaching a PC or terminal Serial cable wiring Installing and replacing a power supply unitWiring map for serial cable As indicated in , some of the wires should not be connectedInstalling and replacing a power supply unit PowerConnect B-FCX Switch Hardware Installation Guide Page PowerConnect B-FCX Switch Hardware Installation Guide Page PowerConnect B-FCX Switch Hardware Installation Guide Checking Network Devices and Testing Connectivity Assigning permanent passwordsAssigning permanent passwords Setting passwordsRecovering from a lost password Enter the following command to set the super user passwordSyntax enable password Configuring IP addressesDevices running Layer 2 software Devices running Layer 3 software Configuring IP addresses Assigning an IP address to an Ethernet portAssigning an IP address to a virtual routing interface Deleting an IP addressSyntax interface loopback num Syntax router-interface ve num Syntax interface ve numCable specifications Connecting network devicesConnectors Connecting to Ethernet or fast Ethernet hubsAutomatic MDI or Mdix detection Connecting to workstations, servers, or routersConnecting a network device to a fiber port Fiber Optic transceiversAll fiber optic interfaces use Class 1 lasers Installing a transceiverGigabit Optic Distance Supported for stacking Cabling a fiber optic transceiver Testing connectivity Testing connectivityCleaning the fiber optic connectors Pinging an IP addressDesired Meaning Testing connectivity Network connection-related LED statesMeaning or Action Troubleshooting network connections Tracing a routeCommand syntax Using Virtual Cable Testing to diagnose a cableConfiguration notes Viewing the results of the cable analysisDefines the fields shown in this output Cable statistics Digital optical monitoringSyntax show cable-diag tdr port-num This Line DisplaysTroubleshooting network connections Using the temperature sensor Managing temperature settingsDisplaying the temperature Managing temperature settings Displaying Syslog messages for temperatureChanging temperature warning and shutdown levels Syntax temperature warning stack-unit valueChanging the shutdown temperature Syntax fan-threshold speed-3 mp lowest value highest valueCommand Removing MAC address entries Displaying PowerConnect B-FCX CPU usageChanging the temperature polling interval Syntax chassis poll-time stack-idvalueReplacing a copper or fiber optic module Hardware maintenance scheduleHardware maintenance schedule Removing a copper or fiber optic moduleCabling a fiber optic module Cleaning the fiber optic connectorsReplacing a copper or fiber optic module Replacing a copper or fiber optic module Environmental considerations Hardware specificationsPhysical dimensions and weight Operating EnvironmentCooling system and fans Hardware specificationsStorage Temperature Storage Humidity Storage Altitude Storage environmentAir Inflow Air outlet Mgmt Pinouts and signalling Serial Console port pinoutsRange meters Cable Type Connector TypeMicrons MHz*km or AC power supply specifications Power cordsHardware specifications Cable length summary Hardware specifications Installation Diagnosing switch indicatorsPower and cooling problems Troubleshooting chartIn-band access Diagnosing switch indicatorsEurope and Australia Cispr 22 Class a Warning USA FCC CFR 47 Part 15 WarningIndustry Canada statement Japan VcciRussia Japan power cordKorea Class a statementRegulatory compliance Regulatory complianceCertifications Regulatory compliance Vorsicht Devices near the input power connectors Never leave tools inside the chassis Gefahr Device PowerConnect B-FCX Switch Hardware Installation Guide