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Appendix A Troubleshooting

Error Messages

Table A-9 Cisco 3600 Series Error Messages

Message

Error:

%C3600-3-NOMAC: Can’t allocate MAC address for interface 1/1

Explanation:

MAC address allocation failed because the specified slot and port combination exceeds the hardware configuration.

Recovery:

Reallocate the MAC address.

Error:

%C3600-3-BADPLAT: Unknown platform type

Explanation:

The Cisco IOS software image does not recognize the revision level of the router’s mainboard. This might indicate either a hardware failure or the need for a software upgrade to recognize newer hardware.

Recovery:

Verify that you are using a recommended release of Cisco IOS software for your hardware. Upgrade if necessary.

Error:

%C3600-3-BADNV: Detected invalid NVRAM size: xx bytes

Explanation:

The NVRAM detected is not 128 bytes, or the NVRAM may be corrupted.

Recovery:

Copy the error message exactly as it appears, and report it to your technical support representative. (See the “Obtaining Technical Assistance” section on page xviii.)

Error:

%C3600-3-NVERASEFAIL: Failed to erase config due to internal error.

Explanation:

An internal error prevented the password protection feature from erasing the configuration.

Recovery:

Copy the error message exactly as it appears, and report it to your technical support representative. (See the “Obtaining Technical Assistance” section on page xviii.)

Error:

%C3600-4-MACBLKSIZE: Unknown MAC address block size.

Explanation:

Data stored in the backplane is either corrupt or incomplete.

Recovery:

Contact your technical support representative to upgrade your system. (See the “Obtaining Technical Assistance” section on page xviii.)

Cisco 3600 Series Routers Hardware Installation Guide

	OL-2056-05	A-11

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Cisco Systems Cisco 3600 manual Message

Contents

Corporate Headquarters Cisco 3600 Series Routers Hardware Installation Guide Cisco 3600 Series Routers Hardware Installation Guide N T E N T S Creating a Site Log Connecting Routers to the Cisco Redundant Power System Troubleshooting A-1 Objectives Preface Chapter Title Description AudienceOrganization Conventions Bewaar Deze Instructies Safety Warnings Avvertenza Importanti Istruzioni Sulla Sicurezza Warnung Wichtige Sicherheitshinweise Guarde Estas Instruções Aviso Instruções Importantes DE Segurança GEM Disse Anvisninger Xiii Related Documentation Cisco Product Document Title Replacement, Repair, or Refund Policy for Hardware Cisco 90-Day Limited Hardware Warranty TermsDuration of Hardware Warranty Documentation CD-ROM To Receive a Return Materials Authorization RMA NumberObtaining Documentation Cisco.com Cisco TAC Website Documentation FeedbackObtaining Technical Assistance Ordering Documentation TAC Case Priority Definitions Opening a TAC Case Obtaining Additional Publications and Information Overview of Cisco 3600 Series Routers Hardware Features Cisco Front Panel of the Cisco 3640 Router Front Panel of the Cisco 3660 Router Cisco 3662 Router with Two Fast Ethernet Interfaces Modules and Interface Cards Memory Memory Installation DocumentationMemory Specifications Description Specification 55 KB Unit Numbering Interface NumberingCisco 3620 and Cisco 3640 Interfaces Slot Numbering WAN and LAN Interface Numbering Cisco 3631 InterfacesVoice Interface Numbering Interface Numbering-Example Cisco 3660 Slot Numbers Cisco 3660 Interfaces Regulatory Compliance and Safety Information document that System Specifications Cisco 3631 Router System Specifications Cisco 3640 Router System Specifications Regulatory Compliance OL-2056-05 Safety with Electricity Safety Recommendations Preventing Electrostatic Discharge Damage General Site Requirements Power Supply Considerations Site Environment Site Configuration Equipment Racks Task Verified by Date Installation Checklist Inspecting the Router Creating a Site Log Tools and Equipment for Installation and Maintenance Auxiliary Port Connections Console and Auxiliary Port ConsiderationsConsole Port Connections Ethernet Connections Preparing to Connect to a Network Serial DTE or DCE Devices Configuring Serial ConnectionsToken Ring Connections Serial Connections Device Type Gender Typical Devices Signaling Standards SupportedDistance Limitations Distance EIA-530 Distance Rate bps Feet Meters Isdn BRI ConnectionsAsynchronous/Synchronous Serial Module Baud Rates EIA/TIA-232 Low-Capacitance Cable 56-K/Switched-56-kbps DSU/CSU Connections Installing the Router Installing Modules, Interface Cards, and Power Supplies Rack-Mounting the Chassis Installing the ChassisSetting the Chassis on a Desktop Right Cisco 3640 Rack-Mount Brackets Attaching Brackets to the Router Front-Panel-Forward Installation Use two screws on each side 17327 Rear-Panel-Forward Installation Four screws are required on each side 82808 Center-Mount Installation 22 Cisco 3660 Center-Mount Bracket Attachment Mounting the Router in the Rack Inch rack 24-inch rack 26 Mounting the Cisco 3631 Router 19-Inch Rack 28 Mounting the Cisco 3660 Router 19-Inch Rack Mounting the Router on the Wall Wall-Mounting the Cisco 3620 RouterAttaching Rubber Feet to the Router Attaching Wall-Mount Brackets to the Router Cisco 3620 and Cisco 3640 Chassis Ground Connection Installing Chassis Ground Connection Mounting Screws Power supply Bracket NEBS-Compliant Ground Lug Attachment on a Cisco 3640 Router Ring terminal attached to a bracket Power supply Ring terminal Ground lug attachment Cisco 3631 Chassis Ground Connection Cisco 3660 Chassis Ground Connection 103013 15A, 120VAC 10A, 240VAC. Statement Power ConnectionsConnecting Routers to AC Power Connecting Routers to a DC-Input Power Supply DC Input DC Input Wire Size DC Wiring Requirements 43 DC Power Connections for Cisco 3620 Routers Typical Overcurrent Wiring the DC-Input Power Supply in Cisco 3631 RoutersDC Input 45 DC Power Connections for -DC Input to Cisco 3631 Routers 47 Wire Routing and Attachment for Cisco 3631 Routers Wiring the DC-Input Power Supply in Cisco 3660 Routers DC Input Wire Size Method Protection Wire Termination Safety Ground Overcurrent Return Safety ground Wire management bracket Connecting Routers to the Cisco Redundant Power System Ports and Cabling Connecting WAN, LAN, and Voice Cables T1/E1 WAN Port or Connection Port type, color Connected to Cable Connections for Cisco 3660 Routers Connecting WAN, LAN, and Voice Cables Without Chassis Shield LAN, WAN, and voice cables Power wires 54 Removing Panels from Chassis Shield 55 Cables Routed Through Openings in the Chassis Shield 56 Cables Routed Through the Chassis Cutout Connecting to a Console Terminal or Modem 57 Connecting a Console Terminal to a Cisco 3620 Router Connecting to the Console Port 58 Connecting a Console Terminal to a Cisco 3631 Router 60 Connecting a Console Terminal to a Cisco 3660 Router Connecting to the Auxiliary Port Modem Modem cable AUX port Connector RJ-45 RJ-45-to-RJ-45 rollover cable 65 Identifying a Rollover Cable Identifying a Rollover Cable Front Panel Indicators Powering Up the RouterChecklist for Power Up Cisco 3620 series and Cisco 3640 series Power-Up Procedure Initial Configuration Using SDM Configuring the Router Initial Configuration Using the Setup Command Facility Summary of the available interfaces is displayed User prompt appears Enter privileged Exec mode Initial Configuration Using the CLI Manual Configuration OL-2056-05 Isolating Problems Troubleshooting Troubleshooting the Power and Cooling Systems Troubleshooting Modules, Cables, and Connections Environmental Reporting Features Figure A-1 Cisco 3620 Router Front-Panel LEDs Reading Front-Panel LEDs Figure A-2 Cisco 3640 Router Front-Panel LEDs Color RPS Status Color Power Supply StatusColor Description LED Front-Panel LEDs on Cisco 3631 Routers Color Status Reading Rear-Panel LEDsRear-Panel LEDs on Cisco 3631 Routers System Rear-Panel LEDs on Cisco 3660 Routers Cisco 3600 Series Error Messages Error Messages Message LED Type LED Color Message Cisco 3660 Error Messages Fan Cage in Cisco 3660 Routers hardware configuration note Cisco 3600 Series Routers hardware configuration note PS1, PS2 Amber Recovering a Lost Password Entering ROM Monitor Mode Using the ROM Monitor Enter ROM Monitor Mode by Using the reload Command ROM Monitor Commands ROM Monitor Syntax Conventions Command abc Boot Commands in the ROM Monitor ROM Monitor Command DescriptionsRouter Management Commands Entering Boot Commands Other Useful ROM Monitor Commands Informational Commands in the ROM Monitor Configuration Register Commands Debugging Commands Modifying the Configuration Register in Menu Mode Console Requirements Recovering Cisco IOS Software ImagesDescription and Options of the xmodem Command Procedure for the xmodem Command Configuration Register Settings Configuration Register Bit Number Hexadecimal Meaning Changing Configuration Register Settings Router# config-register 0xvalue Boot Field Meaning Configuring the Boot Field Baud Bit Bit Address net host Router# configure Enabling Booting from Flash Memory Symbols IN-2 IN-3 IN-4 IN-5 IN-6