ROM Monitor Command Syntax Conventions | Cisco Systems 2600 specs

Appendix B Using the ROM Monitor

ROM Monitor Command Syntax Conventions

dir	list files in the file system
dis	display instruction stream
dnld	serial download	a program module
frame	print out a selected stack frame
help	monitor builtin	command help
history	monitor command	history
iomemdef	set IO mem to	a default 25%
meminfo	main memory information
repeat	repeat a monitor command
reset	system reset
rommon-pref	select ROMMON
set	display the monitor variables
stack	produce a stack	trace
sync	write monitor environment to NVRAM
sysret	print out info from last system return
tftpdnld	tftp image download
unalias	unset an alias
unset	unset a monitor	variable
xmodem	x/ymodem image download
rommon 2>

Note Not all ROM monitor commands are available on all platforms.

Displaying Information About ROM Monitor Command Syntax

To display information about command syntax, enter the command name followed by -?.

Entering ROM Monitor Commands

ROM monitor commands are case-sensitive. Enter commands exactly as shown.

Interrupting ROM Monitor Commands

You can end any command by generating a Break (system interrupt) at the console.

ROM Monitor Command Syntax Conventions

The ROM monitor syntax in this appendix uses the following conventions:

•Square brackets [ ] denote an optional element. In the following example, the element abc is not required, but you can specify it if you choose:

command [abc]

•If a minus option is followed by a colon (for example, [-s:]) you must provide an argument for the option.

•A term in italics means that you must fill in the appropriate information. In the following example, you replace the term in italics with the interface type you are using:

command interface-type

Cisco 2600 Series Routers Hardware Installation Guide

	OL-2171-06	B-3

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Cisco Systems 2600 manual ROM Monitor Command Syntax Conventions, Command abc

Contents

Corporate Headquarters Cisco 2600 Series Routers Hardware Installation Guide Cisco 2600 Series Routers Hardware Installation Guide Iii N T E N T S Serial DTE or DCE Devices Initial Configuration Using the Setup Command Facility Procedure for the tftpdnld Command Configuration Register Vii Objectives 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 Xii GEM Disse Anvisninger Xiii Xiv Related Documentation Cisco Product Document Title Xvi Cisco 90-Day Limited Hardware Warranty TermsDuration of Hardware Warranty Replacement, Repair, or Refund Policy for Hardware Ordering Documentation Obtaining DocumentationDocumentation Feedback Cisco.com Xviii Submitting a Service RequestObtaining Technical Assistance Cisco Technical Support Website Xix Definitions of Service Request SeverityObtaining Additional Publications and Information Preface Obtaining Additional Publications and Information Overview of Cisco 2600 Series Routers Hardware Features Cisco Advanced Reading the Front-Panel LEDs Power SYS/RPS RPSActivity PWR ACT Reading the Rear-Panel LEDs Cisco 2613-Rear-Panel LEDs FDX LinkACT CF1 Modules, Interface Cards, and Memory WAN and LAN Interface Numbering Interface Numbering 11 Interface Numbering in Chassis with 1-RU Height Voice Interface Numbering System SpecificationsDescription Specification Regulatory Compliance Safety with Electricity Safety Recommendations Preventing Electrostatic Discharge Damage Site Environment Power Supply ConsiderationsPower Source Input Power Tolerance Limits General Site Requirements Equipment Racks Installation ChecklistSite Configuration Task Verified by Date Creating a Site Log Inspecting the Router Tools and Equipment for Installation and Maintenance Console Port Connections Console and Auxiliary Port Considerations Auxiliary Port Connections Preparing to Connect to a Network Token Ring Connections Ethernet Connections Serial DTE or DCE Devices Configuring Serial ConnectionsSerial 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 OL-2171-06 Installing the Router For AIMs Installing Modules, Interface Cards, and Power SuppliesFor network modules For WICs and VICs For external power supplies Setting Up the ChassisSetting the Chassis on a Desktop For internal power supplies Mounting 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 Height V0 EN Installing the Router in a Rack Attaching Wall-Mount Brackets to the Router Mounting the Chassis on the WallAttaching Rubber Feet to the Router 16 Attaching the Wall-Mount Brackets Mounting the Router on the Wall 17 Mounting the Chassis on the Wall Installing the Chassis Ground Connection Ring terminal Connecting Routers to AC Power Power Connections 15A, 120VAC 10A, 240VAC. Statement Connecting Routers to a DC-Input Power SupplyDC Wiring Requirements Router DC Input DC Input Wire Size1 Wiring Procedure for DC Input Port or Connection Port Type, Color Connected To Cable Connecting WAN, LAN, and Voice CablesConnecting Routers to the Cisco Redundant Power System Ports and Cabling LAN, WAN, and Voice Connection Procedures Connecting to the Console Port Connecting to a Console Terminal or Modem 23 Connecting to a Console Terminal Connecting to the Auxiliary Port Identifying a Rollover Cable 24 Connecting a Modem to the Auxiliary Port Routers with 1-RU Chassis Height Powering Up the RouterChecklist for Power Up Front Panel Indicators Routers with 2-RU Chassis Height Power-Up Procedure Configuring the Router Initial Configuration Using the Setup Command Facility Initial Configuration Using SDM Enter a hostname for the router this example uses Configuration is displayed Initial Configuration Using the CLI Manual Configuration To proceed with manual configuration using the CLI, enter no OL-2171-06 Isolating Problems Troubleshooting Environmental Reporting Features Troubleshooting the Power and Cooling Systems Troubleshooting Modules, Cables, and Connections Cisco Technical Assistance Center Recovering a Lost PasswordSystem Messages Entering ROM Monitor Mode Using the ROM Monitor Enter ROM Monitor Mode by Using the reload Command ROM Monitor Commands Command abc ROM Monitor Command Syntax Conventions Boot Commands in the ROM Monitor ROM Monitor Command DescriptionsRouter Management Commands Informational Commands in the ROM Monitor Other Useful ROM Monitor Commands Debugging Commands Modifying the Configuration Register in Menu Mode Configuration Register Commands Modifying the Configuration Register by Hexidecimal Entry Recovering Cisco IOS Software Images Console Requirements Copying an Image from the Console Using the xmodem CommandDescription and Options of the xmodem Command Procedure for the xmodem Command Restrictions on the tftpdnld Command Specify the required variables, for example Procedure for the tftpdnld Command DEFAULTGATEWAY=172.16.19.1 Nvram Configuration Register SettingsBit Number Hexadecimal Meaning Changing Configuration Register Settings Boot Field Meaning Configuring the Boot Field Bit Address net host Baud Bit Enabling Booting from Flash Memory OL-2171-06 IN-1 Numerics IN-2 Dram IN-3 Isdn BRILAN Link LED IN-4 Sdram IN-5 IN-6