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Cisco Systems WS-X3500-XL manual Symptom, Possible Causes, Corrective Action

Models: WS-X3500-XL

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Table 3-1 Common Problems and Their Solutions (continued)

Chapter 3 Troubleshooting

Table 3-1 Common Problems and Their Solutions (continued)

Symptom	Possible Causes	Corrective Action

GigaStack GBIC	Link flap (the link keeps	Remove and reinsert the GigaStack GBIC.
LED blinks any	going up and down).	Upgrade all the switches in a series to the same
color for more than		Upgrade all the switches in a series to the same
color for more than		software version; otherwise, the loop-breaking
1 minute.		software version; otherwise, the loop-breaking
1 minute.		algorithm might never resolve itself. For example,
		algorithm might never resolve itself. For example,
		if the stack includes only Catalyst 2900 series XL
		and 3500 series XL switches, they must run
		Release 12.0(5)XU or later. If the stack includes a
		mixture of Catalyst 2900 series XL,
		3500 series XL, 2950, and 3550 switches, all the
		2900 XL and 3500 XL switches must run
		Release 12.0(5)XW or later, all Catalyst 2950
		switches must run Release 12.1(6)EA2 or later,
		and all Catalyst 3550 switches must run
		Release 12.1(4)EA1 or later.
		If no loop exists in the GigaStack GBIC stack, you
		can disable the loop-breaking algorithm by using
		the no gigastack loop-breaking [interface-id]
		global configuration command.

GigaStack GBIC	The GigaStack GBIC is in	Remove and reinsert the GigaStack GBIC.
LED color is	an indeterminate state.
incorrect (for
example, the GBIC
is not connected to
another device, but
the LED is green).

	Catalyst GigaStack Gigabit Interface Converter Hardware Installation Guide
3-2	78-6460-04

Image 48

Cisco Systems WS-X3500-XL manual Symptom, Possible Causes, Corrective Action, the no gigastack loop-breaking interface-id

Contents

Installation Guide Catalyst GigaStack Gigabit Interface Converter HardwareMarch Cisco Systems, Inc 170 West Tasman Drive San Jose, CATurn the television or radio antenna until the interference stops Move the equipment farther away from the television or radioCopyright 1999 -2002, Cisco Systems, Inc All rights reserved Page C O N T E N T S Power-On Self-Test Installing a GigaStack GBICContents Minimum IOS Release for Redundant Loop ConfigurationsTechnical Specifications Translated Safety Warnings C-1Contents GigaStack GBIC CablingContents viii78-6460-04 Cisco Limited Lifetime Hardware Warranty Terms Duration of Hardware Warranty Replacement, Repair or Refund Procedure for HardwareTo Receive a Return Materials Authorization RMA Number Product Model and Serial number Maintenance Contract number Cisco Limited Lifetime Hardware Warranty TermsComplete the information below and keep for ready reference Product purchased from Their telephone numberCisco Limited Lifetime Hardware Warranty Terms 78-6460-04Preface AudiencePurpose xiiiOrganization Notes, Cautions, and WarningsWarning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with the standard practices for preventing accidents. The warning symbol also means that you can see the warning in multiple languages in “Appendix C, “Translated Safety Warnings.” Warnung Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur Vermeidung von Unfällen bewußt. Das Warnsymbol bedeutet auch, daß Sie die Warnung in verschiedenen Sprachen unter Appendix C, “Translated Safety Warnings” lesen können Related Publications xviiPreface Related Publications Obtaining Documentation World Wide Webhttp//www-china.cisco.com http//www-europe.cisco.com xviiiDocumentation CD-ROM Ordering DocumentationDocumentation Feedback Obtaining Technical Assistance Cisco.comTechnical Assistance Center Contacting TAC through the WebsiteContacting TAC by Telephone xxiiFeatures OverviewC H A P T E R GigaStack GBIC LEDs GBIC Module Slot LEDs ColorMeaning Cabling Guidelines Table 1-2 Switch and 1000BASE-X Module GBIC Slot LEDsColor MeaningPart Number Cable LengthSwitches Supporting the GBIC Switch Series or ModuleModel Number DescriptionMinimum IOS Release for Redundant Loop Configurations Switch Series or ModuleModel Number DescriptionSupported Switch Table 1-5 Minimum IOS Release for Redundant Loop ConfigurationsMinimum IOS Release Deployment Examples Example 1 Cascaded Stack ConnectionExample 2 Point-to-Point Connection Catalyst 3508G XL switchCatalyst 2900 XL, Catalyst 3500 XL, or Catalyst 3550 switches 1-10Installation Inspecting the Packing ListC H A P T E R EMC Regulatory Statements U.S.ATaiwan JapanKorea HungaryInstalling a GigaStack GBIC Avoiding Electrostatic DischargeChapter 2 Installation Figure 2-1 Inserting the GigaStack GBIC into a Switch Module SlotInstalling a GigaStack GBIC Metal flap doorAttaching the GBIC Clip Recommended Configuration Connecting to GigaStack GBIC PortsCreating Connections Table 2-1 Available GBIC Ports in a Point-to-Point Configuration Available GigaStackDevice GBIC PortsPoint-to-Point Connections Chapter 2 Installation Creating Connections2-10 Figure 2-6 Point-to-Point ConnectionsCascaded Stack Connections Chapter 2 Installation Creating Connections2-11 Figure 2-7 Cascaded Stack ConnectionsChapter 2 Installation Creating Connections 2-12Catalyst 3508G XL Catalyst 3512 XLRemoving a GigaStack GBIC 2-13Power-On Self-Test 2-14Troubleshooting SymptomC H A P T E R Possible CausesSymptom Table 3-1 Common Problems and Their Solutions continuedPossible Causes Corrective ActionTechnical Specifications Power ConsumptionA P P E N D I X A Environmental RangesAgency Approvals Connectors and Cables GigaStack GBIC CablingA P P E N D I X B Appendix B Connectors and Cables GigaStack GBIC Cabling 78-6460-04Translated Safety Warnings Product DisposalA P P E N D I X C Warnung Die Entsorgung dieses Produkts sollte gemäß allenPage Numerics I N D EIN-1 IN-2 IN-3 IN-4 Index78-6460-04