Performing Other Configuration Tasks | Cisco Systems Cisco 12006

C H A P T E R 4

Troubleshooting the Installation

This chapter provides troubleshooting guidelines for Cisco 12006 and

Cisco 12406 Routers. If the solutions provided in this chapter do not make the router fully functional, contact your Cisco service representative for assistance.

•Performing Other Configuration Tasks, page 4-1

•Problem Solving with Subsystems, page 4-14

Performing Other Configuration Tasks

This section describes the following additional configuration tasks.

•Configuring the Software Configuration Register, page 4-1

•Recovering a Lost Password, page 4-11

Configuring the Software Configuration Register

The software configuration register is a 16-bit register in NVRAM that you use to define specific system parameters. You can set or change the contents of this register to accomplish the following tasks:

•Define boot sources for the default Cisco IOS software, assigning them in the following order of precedence:

–Flash memory card inserted in PCMCIA slot 0

–TFTP server on the network

		Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide

	OL-11497-03			4-1
	OL-11497-03			4-1

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Cisco Systems Cisco 12006 manual Performing Other Configuration Tasks, Configuring the Software Configuration Register

Contents

Corporate Headquarters Page Copyright 2001-2006, Cisco Systems, Inc. All rights reserved Page Cisco.com Definitions of Service Request SeverityPurpose Code Download Diagnostics Power-Up/Down ControlLine Cards Air Filters Site Requirement Guidelines Site Wiring Cisco IOS Software Images Problem Solving with Subsystems Specify a Boot ImageTroubleshooting the Cooling Subsystem If You Need More Information Series Router Upgrading the RP and Line Card Memory Xii Purpose Audience Organization Document Conventions Cisco.com Obtaining Documentation Ordering Documentation Product Documentation DVD Cisco Product Security Overview Documentation Feedback Psirt Reporting Security Problems in Cisco Products Link on this page has the current PGP key ID in use Obtaining Technical AssistanceCisco Technical Support and Documentation Website Definitions of Service Request Severity Submitting a Service Request Obtaining Additional Publications and Information Xxiii Xxiv Introduction Product Overview Product Description Cisco 12006 and Cisco 12406 router Front View Product Overview Product Description Product Overview Product Description Cisco 12006 and Cisco 12406 router Rear View RP and Line Card Slots Physical and Functional DescriptionChassis Chassis Backplane Switch Fabric Card SlotsAlarm Card Slots Cooling Power Switch Fabric Card Types Multigigabit Crossbar Switch Fabric Nonredundant and Redundant System Configurations Switch Fabric Redundancy Switch Fabric Switching Capacity and Router Type Device Discovery Maintenance BusPower-Up/Down Control Code Download DiagnosticsEnvironmental Monitoring and Alarms Route Processor Functions Route Processors Gigabit Route Processor Route Processor Types Product Overview Route Processors GRP Layout Type Size Quantity Description Location GRP Memory Components Total Dram Product Numbers Dram Sockets Number of DIMMs Sram System Status LEDs Reset AUX Coll RX Link MII GRP Alphanumeric LED Displays Partial Faceplate Soft Reset Switch Asynchronous Serial Ports Pcmcia SlotsPcmcia Slot 0 Bottom Pcmcia Slot 1 Top Type I or Empty Ethernet Port Performance Route Processor Front View Performance Route Processor Product Overview Route Processors PRP Horizontal Orientation Simm PRP Memory ComponentsSdram Sdram MEM-12KRP-FD1G= Flash Disk Size Product Number64 MB MEM-12KRP-FD64= 128 MB MEM-12KRP-FD128= Soft Reset Switch Ethernet Ports Flash Disk Slots Line Cards 10 Sample Line Cards Alarm Alarm Cards Alarm Card Status Alarm Output FunctionClock and Scheduler Card and Switch Fabric Card Status Alarm Relay Contact Connector Power SubsystemsPower Source Monitoring AC PDU AC Power Subsystem 12 AC Power Distribution Unit 13 AC-Input Power Supply AC-Input Power Supply Product Overview Power Subsystems LED Label Function State Description DC Power Subsystem 14 DC Power Distribution Unit DC-Input Power Entry Module Power a 16 DC-Input Power Entry Module Miswire Green PEM is operating normally in a powered-on ConditionLED Label Color Function Output OK Blower Module Power Distribution Top view 18 Air Filter Locations Air Filters Cable-Management System 19 Chassis Cable-Management System Field-Replaceable Units Technical Specifications Preparing for Installation Tools and Equipment Safety and Compliance General Safety Guidelines Preparing for Installation Safety and Compliance Lifting Guidelines Compliance and Safety InformationLaser Safety Preventing Electrostatic Discharge Damage Attaching an ESD-Preventive Strap Safety with Electricity Airflow Site Requirement GuidelinesEnvironmental Guidelines Types of Equipment Racks Temperature and HumidityRack-Mounting Guidelines 17.234 23.137 30.877 740 18.950 Equipment Dimensions and Site Layout Preparing for Installation Site Requirement Guidelines Ventilation Power Connection Guidelines for AC-Powered Routers Power Connection Guidelines Label Description Cisco Product Number Grounding Connections Power Connection Guidelines for DC-Powered Routers Supplemental Bonding and Grounding Port for Nebs Compliance Cable Lug Crimping the Lug Place ground wire in the lug Crimp the lug Distance Limitations Site WiringElectromagnetic Interference Unpacking and Repacking the Router Site Preparation Checklist Initials Date OL-11497-03 Installing the Router Installing a Router Tools and Equipment Required Installing the Rack-Mount Brackets OptionalInstalling the Optional Rack-Mount Brackets Installing the Optional Rack-Mount Brackets Lower and Upper Center-Mount Brackets Installing Center-Mount Brackets Optional That it is at the same height as the lower right bracket Installing the Optional Center-Mount BracketsRails Repeat through for both upper center-mount brackets Power supply Installing the Chassis in a Rack OL-11497-03 Supplemental Bonding and Grounding Connections Installing the Chassis on a Tabletop or Flat Surface Gigabit Route PR Ocessor Connecting RP and Line Card Cables Chassis Cable-Management Bracket Connecting Alarm Card Cables GRP Console and Auxiliary Ports Connecting to the Console and Auxiliary Ports GRP Console DCE and Auxiliary DTE Port Connections Pin Signal Input/Output Description GRP Console Port SignalsGRP Auxiliary Port Signals Ring RTSCTS PRP Console and Auxiliary Port Connections PRP Console and Auxiliary Ports Console Port Pin Signal Input/Output Description PRP Console Port SignalsOutput Data Terminal Ready TxD Transmit Data RxD Input Receive Data PRP Auxiliary Port Signals Installing a Flash Memory CardAuxiliary Port Pin Signal Output Request To Send 10 Flash Memory Card Slot Opening 11 RJ-45 and MII Ethernet Connections Connecting the GRP to an Ethernet Network Yes Receive Data RxD Pin1 Out Input/Output Description CodeMDC COL Pin Out Input/Output Description CodeCRS Mdio Termination Network Connecting the PRP to an Ethernet NetworkPin Signal 14 Using the Ethernet Port on the PRP RJ-45 receptacle Category 5 UTP cable with plug Ethernet Port Pin Signal DescriptionPRP Ethernet Connections Crossover Cable Pinout for Connecting Two PRPs Lists Ieee 802.3u physical characteristics for 100BASE-TX Connecting to an AC Power SourceParameter RJ-45 Parameter Router Power Combination 18 AC Power Distribution Unit Connecting to a DC Power Source DC PDU Captive screws four + GND Power On the Router Alarm Cisco IOS Software Images IOS Software Configuration for the Router Conditions to Check Before System Startup Starting the Router and Observing Initial Conditions Overview of the Boot Process OL-11497-03 Display Meaning Source RP Alphanumeric LED RP IOS RP Interfaces Using the RP LEDsPRI SEC Coll Link PRP Interfaces Using the PRP LEDs Cisco IOS software that the system is running Indicates the port is enabled External Network Interface System Configuration Dialogue Locating a Valid Cisco IOS Software Image Manually Booting the System Command Description Booting from the Cisco IOS Software Image Before You Begin Router ConfigurationSetup Command Cisco IOS User Interface User Interface Command ModesGlobal Configuration Mode Privileged Exec Mode User Exec Mode ROM Monitor Mode Interface Configuration ModeSubinterface Configuration Mode Configuration Changes Setup Command Interactive Script Example SDCC1/0 Configuring interface POS1/0 Is this interface in use?yes Host Name Configuring Global ParametersPasswords Protocols Configuring Network Interfaces PRP Ethernet Interfaces GRP Ethernet Interfaces Line Card Interfaces Checking the Software Version Show version Command Show running Config Command Example Verifying the Running Configuration Settings No service tcp-small-servers Hostname Router Show startup-config Command Saving the Running Configuration Settings to NvramReviewing the Running Configuration Settings No logging trap Installing the Flash Memory Card in a RP Using Flash Memory Cards in the RP Formatting a Flash Memory Card Removing the Flash Memory Card from an RP Router# format slot0 Specify a Boot Image Router# cd slot1 Flash Memory Console Commands Router# cd bootflash 14 Squeeze Command Functions Example Copying Files Booting from Flash Memory Copied WhereSpecifies the source and name of the file to be Router# copy tftpnew.image slot0new.image Copying a Cisco IOS Software Image Reboot the system Copying Cisco IOS Software Updates Router# copy slot1image.new slot0image.new Copying Files Between RP Memory and a Flash Memory Card Specifies the source of the file to be copied Nvram Startup-config Router# copy startup-config slot0myfile2 Copy running-config slot0slot1filename Specifies the destination Nvram of the file to be Router# copy startup-config running-config Locked Blocks in Flash Memory Cards If You Need More Information Installing the Router If You Need More Information OL-11497-03 Configuring the Software Configuration Register Performing Other Configuration Tasks Value Definition/Function Bit Number1 Bit Number Boot Field Definition Boot Field Settings Boot slot # imagename command Configuration Register Settings Configuration register is 0x141 will be 0x102 at next reload Bits in the Software Configuration Register Action/Filename Bit 9600 4800 1200 2400 Bit Address net hostData Transmission Rate bps Recovering a Lost Password Rommon 1 config-register Press Return Problem Solving with Subsystems Identifying Startup Problems Using LEDs to Gather Information Shows the location of the LEDs on the power supply faceplate AC-Input Power Supply LEDs Summarizes the function of these indicators Amber Indicates input is wired backward at the PDU input DC-Input Power Entry Module LEDs Shows the location of the LEDs on the blower module Blower Module LEDs Alarm Card LEDs RP Alphanumeric LED Displays Partial Faceplate View RP Alphanumeric LED Displays Troubleshooting the AC-Input Power Subsystem Troubleshooting the Power Subsystem OL-11497-03 OL-11497-03 Troubleshooting the DC-Input Power Entry Module OL-11497-03 Troubleshooting the RP Troubleshooting the Processor Subsystem OL-11497-03 LED Display Indications LED Display1 Indications2 Troubleshooting the Line Cards Init Lrom Init MEMRDY Romi GET Fabl Monitoring Switch Fabric Status Troubleshooting by Using the Alarm CardsMonitoring Alarm Card Status Monitoring Critical, Major, and Minor Alarm Status Troubleshooting the Cooling Subsystem OL-11497-03 Field Diagnostics for Cisco 12000 Series Router Diagnostics Overview Fpga Overview Router# diag 0 verbose update-fpgas Mbus Obtain and Place the Diagnostics Image Using Diagnostics Diag slot-numberupdate-fpga source tftp flash source-path Upgrade the Fpga Image on a Line Card Cisco 12000 Series Router Line Cards Using the diag CommandFor Tftp boot servers, the source path would typically be Lists the diag command options and their descriptions Diag Command ReferenceCisco 12000 Series Router RPs Cisco 12000 Series Router SFCs and CSCs Also see the dl-timeout-plus option Specifies that the source of the diagnostic image is a TftpPath to the diagnostic image. The name of the image file is Line card testing only Must use the microcode reload slot global configuration Field diagnostic testing. If you use this keyword, youCommand, or manually remove and insert the line card to Power it up in the slot so that the RP recognizes the line Diagnostics download image. This option limits the field Optional Updates flash memory with field-programmableDiagnostics session to one task updating the Fpga images Flash memory on the line card. No other testing is OL-11497-03 Output Examples Evadminfdiag Test types FDIAGSTATDONE7 Router # diag 7 prev FDIAGSTATDONE3 OL-11497-03 OL-11497-03 Maintaining the Router Powering Down the Router Maintaining the Router Removing and Installing the Front Door on Opening the Front Door Front Door Latch Removing or Installing Hinge Pins Removing the Bumpers and Pivot Blocks Bumpers Pivot blocks Cleaning or Replacing the Air Filters Removing the Air Filters Air filter door Air filters Removing and Replacing the Blower Module Removing the Blower Module Carrying handle Captive screws 2 on each side OL-11497-03 Carrying handle Guide pins Captive screws 2 on each side Troubleshooting the Blower Installation Removing and Replacing AC and DC Power Subsystem Components Power Supply and PDU Compatibility Installation Guidelines AC Power Supply PWR-GSR6-AC= AC Power Supply 12000/6-AC-PEM= DC PDU 12000/6-DC-PDU= DC PDU GSR6-DC-PDU= Installing Upgrade Kits Captive screws/release levers Removing and Replacing an AC PEMAC PEM Maintaining the Router Removing and Replacing an AC PEM Releasing the AC Power Supply Seating the AC Power Supply Troubleshooting the AC Power Supply Installation Maintaining the Router Removing and Replacing an AC PEM 10 identifies the components of the AC PDU Removing and Replacing an AC PDU Maintaining the Router Removing and Replacing an AC PDU 11 Unseating the AC Power Supply 12 Removing the Blower Module 13 Removing the AC PDU 14 Installing the Blower Module 15 Seating the AC Power Supply DC PEM Removing and Replacing a DC PEM Maintaining the Router Removing and Replacing a DC PEM 17 Releasing the DC Power Supply 18 Seating the DC Power Supply Troubleshooting the DC Power Supply Installation Maintaining the Router Removing and Replacing a DC PEM 19 identifies the components of the DC PDU Removing and Replacing a DC PDU Maintaining the Router Removing and Replacing a DC PDU 20 Unseating the DC Power Supply 21 Removing the Blower Module Negative -, b positive +, c ground 22 Disconnecting the DC Power Leads 23 Removing the DC PDU 24 Installing the Blower Module 25 Disconnecting the DC Power Leads 26 Seating a DC Power Supply Maintaining the Router Removing and Replacing a DC PDU Removing and Installing an RP or a Line Card Removing an RP or Line Card Tools and Equipment 28 Removing an RP or Line Card from the Card Cage Installing an RP or Line Card Or to another grounded, bare metal surface Adding an RP or Line CardIdentify the card slot for the new line card Remove the blank faceplate covering the card slot For fiber-optic or Copper cable Line cards Installing a Line Card Cable-Management Bracket OL-11497-03 30 Line Card Cable-Management Brackets with Velcro Straps Reconnecting Cables to a Line Card OL-11497-03 31 CSC, SFC, and Alarm Card Slot Locations Removing and Installing a Clock and Scheduler Card CSC Removing a Clock and Scheduler Card Installing a Clock and Scheduler Card Verifying the Installation of the Clock and Scheduler Card 33 Alarm Card LEDs On/Off Conditions Removing and Installing a Switch Fabric Card SFC Removing a Switch Fabric CardLoosen the captive screw on each side of the SFC faceplate Slide the SFC halfway out of the slot, then stop Installing a Switch Fabric Card Tighten the captive screw on each side of the SFC faceplate Verifying the Installation of the Switch Fabric Card 35 Removing and Installing an Alarm Card Removing and Installing an Alarm Card Installing an Alarm Card Removing an Alarm Card Verifying the Installation of the Alarm Card Removing and Installing the Chassis Before You Begin Preparing the Replacement Chassis Preparing the Defective Chassis Disconnecting Power from the Power Distribution UnitDisconnecting RP Cables Disconnecting Alarm Card Cables Disconnecting Line Card Interface CablesTransferring System Components PDU Transferring RP and Line Cards Transferring the Blower Module Transferring the Power ModulesTransferring the Power Distribution Unit Removing the Chassis from the Equipment Rack Removing the ChassisRemoving the Chassis from a Tabletop or Flat Surface Installing the Chassis on a Tabletop or Flat Surface Installing the Replacement Chassis Installing the Chassis in the Equipment Rack Reconnecting Cables to the Replacement ChassisReconnecting RP Cables Reconnecting Alarm Cards Cables Installing the Blower Module Reconnecting Power to the RouterReconnecting Line Card Network Interface Cables Upgrading the RP and Line Card Memory OL-11497-03 Specifications Technical Specifications Description Value Table A-2 AC-Input Power Supply Electrical Specifications Table A-3 DC Power Entry Module Electrical Specifications Table A-4 Environmental Specifications Pin Name Definition Alarm Card Alarm Relay Connector SpecificationsRouter Performance Upgrades and Model Identification Gbps SFC and CSC Switch Fabric IdentificationModel Chassis Slots OL-11497-03 Numerics PRP GRPAuxiliary port 3-14,3-16console port 3-14Ethernet port IN-3 IN-4 Connecting devices to 3-14description Pinout table Attribute summary -19configurations 1-19description Dimm installation caution 1-20,1-29EMC Blank card filler panel caution IN-6 Attribute summary -19description IN-7 Pcmcia IN-8 Nvram GRP IN-9 Alphanumeric LED displays description 3-41function IN-10 Sdram PRP Selv circuit connections 3-19saving the configuration file IN-12 Auxiliary port Console port Ethernet port connections IN-14