Cisco Systems 2600 manual Informational Commands in the ROM Monitor

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Appendix B Using the ROM Monitor

ROM Monitor Command Descriptions

•boot—Boots from the first Cisco IOS image in internal flash memory.

•boot flash:—Boots from the first Cisco IOS image in the internal Flash memory.

•boot flash: partition:—Boots from the first Cisco IOS image in the specified partition in internal flash memory.

•boot flash: filename—Boots from the Cisco specified IOS image in internal flash memory.

•boot flash: partition: filename—Boots from the specified Cisco IOS image in the specified partition in internal flash memory.

•boot slot0:—(Cisco 2691 only) Boots from the first Cisco IOS image in the first partition in flash memory in slot 0.

•boot slot0:2:—(Cisco 2691 only) Boots from the first Cisco IOS image in the second partition in compact flash memory in slot 0.

•boot slot0: filename—(Cisco 2691 only) Boots from the specified Cisco IOS image in compact flash memory in slot 0.

•boot slot1:3: filename—(Cisco 2691 only) Boots from the specified Cisco IOS image in the third partition in compact flash memory in slot 1.

•boot filename tftpserver— Boots from the specified Cisco IOS image on the specified TFTP server (after first booting from flash). For example:

boot c2600-i-mz 172.15.19.11

Note Use the CLI commands show version and show hardware to see the source of the currently running Cisco IOS image.

Informational Commands in the ROM Monitor

dev—(Cisco 2691 only) Lists boot device identifications on the router, for example:

rommon 2 >

dev

Devices in

device table:

id

name

flash:

internal compact flash

slot0:

external compact flash

eprom:

eprom

rommon 3 >

 

dir device:[partition:]—Lists the files on the named device. For example:

rommon 8> dir flash:

File size

Checksum

File name

2229799 bytes (0x220627)

0x469e

C2600-j-m2.113-4T

 

 

help—Shows a summary of ROM monitor commands (equivalent to ?).

 

 

meminfo—Displays main memory size, starting address, and available range; size of packet memory;

 

 

and size of NVRAM. The following example shows the meminfo command:

 

 

rommon 9> meminfo

 

 

Main memory size: 32 MB.

 

 

Available main memory starts at 0xa000e000, size 32704KB

 

 

IO (packet) memory size: 25 percent of main memory.

 

 

NVRAM size: 32KB

 

 

Cisco 2600 Series Routers Hardware Installation Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

OL-2171-06

 

 

B-5

 

 

 

 

 

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Contents Corporate Headquarters Cisco 2600 Series Routers Hardware Installation GuideCisco 2600 Series Routers Hardware Installation Guide Iii N T E N T SSerial DTE or DCE Devices Initial Configuration Using the Setup Command Facility Procedure for the tftpdnld Command Configuration Register Vii ObjectivesOrganization AudienceConventions Chapter Title DescriptionBewaar Deze Instructies Safety WarningsAvvertenza Importanti Istruzioni Sulla Sicurezza Warnung Wichtige SicherheitshinweiseGuarde Estas Instruções Aviso Instruções Importantes DE SegurançaXii GEM Disse AnvisningerXiii Xiv Related DocumentationCisco Product Document Title Duration of Hardware Warranty Cisco 90-Day Limited Hardware Warranty TermsReplacement, Repair, or Refund Policy for Hardware XviDocumentation Feedback Obtaining DocumentationCisco.com Ordering DocumentationObtaining Technical Assistance Submitting a Service RequestCisco Technical Support Website XviiiObtaining Additional Publications and Information Definitions of Service Request SeverityXix Preface Obtaining Additional Publications and Information Overview of Cisco 2600 Series Routers Hardware FeaturesCisco AdvancedReading the Front-Panel LEDs PowerActivity RPSPWR SYS/RPSACT Reading the Rear-Panel LEDsCisco 2613-Rear-Panel LEDs ACT LinkFDX CF1 Modules, Interface Cards, and MemoryWAN and LAN Interface Numbering Interface Numbering11 Interface Numbering in Chassis with 1-RU Height Description Specification System SpecificationsVoice Interface Numbering Regulatory Compliance Safety with Electricity Safety RecommendationsPreventing Electrostatic Discharge Damage Power Source Input Power Tolerance Limits Power Supply ConsiderationsGeneral Site Requirements Site EnvironmentSite Configuration Installation ChecklistEquipment Racks Task Verified by Date Creating a Site LogInspecting the Router Tools and Equipment for Installation and MaintenanceConsole Port Connections Console and Auxiliary Port ConsiderationsAuxiliary Port Connections Preparing to Connect to a NetworkToken Ring Connections Ethernet ConnectionsSerial Connections Configuring Serial ConnectionsSerial DTE or DCE Devices Distance Limitations Signaling Standards SupportedDevice Type Gender Typical Devices Asynchronous/Synchronous Serial Module Baud Rates Isdn BRI ConnectionsEIA/TIA-232 Distance EIA-530 Distance Rate bps Feet MetersLow-Capacitance Cable 56-K/Switched-56-kbps DSU/CSU ConnectionsOL-2171-06 Installing the Router For network modules Installing Modules, Interface Cards, and Power SuppliesFor WICs and VICs For AIMsSetting the Chassis on a Desktop Setting Up the ChassisFor internal power supplies For external power suppliesMounting the Chassis in a Rack Right To the other side of the chassis. Brackets for 19-inch rack Brackets for 19-inch rack To the other side of the chassis Use two screws on each side For 19-inch rack Right bracket Attaching the Brackets to a Router of 2-RU HeightV0 EN Installing the Router in a RackAttaching Rubber Feet to the Router Mounting the Chassis on the WallAttaching Wall-Mount Brackets to the Router 16 Attaching the Wall-Mount Brackets Mounting the Router on the Wall17 Mounting the Chassis on the Wall Installing the Chassis Ground ConnectionRing terminal Connecting Routers to AC Power Power ConnectionsDC Wiring Requirements Connecting Routers to a DC-Input Power SupplyRouter DC Input DC Input Wire Size1 15A, 120VAC 10A, 240VAC. StatementWiring Procedure for DC Input Connecting Routers to the Cisco Redundant Power System Connecting WAN, LAN, and Voice CablesPorts and Cabling Port or Connection Port Type, Color Connected To CableLAN, WAN, and Voice Connection Procedures Connecting to the Console Port Connecting to a Console Terminal or Modem23 Connecting to a Console Terminal Connecting to the Auxiliary PortIdentifying a Rollover Cable 24 Connecting a Modem to the Auxiliary PortChecklist for Power Up Powering Up the RouterFront Panel Indicators Routers with 1-RU Chassis HeightRouters with 2-RU Chassis Height Power-Up ProcedureConfiguring the Router Initial Configuration Using the Setup Command Facility Initial Configuration Using SDMEnter a hostname for the router this example uses Configuration is displayed Initial Configuration Using the CLI Manual ConfigurationTo proceed with manual configuration using the CLI, enter no OL-2171-06 Isolating Problems TroubleshootingEnvironmental Reporting Features Troubleshooting the Power and Cooling SystemsTroubleshooting Modules, Cables, and Connections System Messages Recovering a Lost PasswordCisco Technical Assistance Center Entering ROM Monitor Mode Using the ROM MonitorEnter ROM Monitor Mode by Using the reload Command ROM Monitor CommandsCommand abc ROM Monitor Command Syntax ConventionsRouter Management Commands ROM Monitor Command DescriptionsBoot Commands in the ROM Monitor Informational Commands in the ROM Monitor Other Useful ROM Monitor Commands Debugging CommandsModifying the Configuration Register in Menu Mode Configuration Register CommandsModifying the Configuration Register by Hexidecimal Entry Recovering Cisco IOS Software ImagesDescription and Options of the xmodem Command Copying an Image from the Console Using the xmodem CommandProcedure for the xmodem Command Console RequirementsRestrictions on the tftpdnld Command Specify the required variables, for example Procedure for the tftpdnld CommandDEFAULTGATEWAY=172.16.19.1 Bit Number Hexadecimal Meaning Configuration Register SettingsNvram Changing Configuration Register Settings Boot Field Meaning Configuring the Boot FieldBit Address net host Baud Bit Enabling Booting from Flash MemoryOL-2171-06 IN-1 NumericsIN-2 DramLAN Isdn BRILink LED IN-3IN-4 SdramIN-5 IN-6
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