Cisco Systems 815 manual Resetting the Password, Resetting the Configuration Register Value

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Chapter 3 Troubleshooting

Recovering a Lost Password

Resetting the Password

Follow these steps to reset an enable secret password and restore the configuration of the router:

Step 1 Enter the configure terminal command to enter configuration mode:

Router# configure terminal

Step 2 Enter the enable secret command to reset the enable secret password in the router:

Router(config)# enable secret <password>

Step 3 Enter the config-registercommand and the original configuration register value that you recorded in Step 5 in the “Determining the Configuration Register Value” section on page 3-2.

Step 4 Press Ctrl-Zto exit configuration mode.

Router(config)# Ctrl-Z

Step 5 Save your configuration changes:

Router# copy running-config startup-config

Step 6 Reboot the router, and enter the enable secret password.

Resetting the Configuration Register Value

Follow these steps to restore the configuration of the router after you have recovered an enable password:

Step 1 Enter the configure terminal command to enter configuration mode:

Router# configure terminal

Step 2 Enter the config-registercommand and the original configuration register value that you recorded in Step 5 in the “Determining the Configuration Register Value” section on page 3-2.

	Cisco 815 Integrated Services Router Hardware Installation Guide
3-6	OL-9558-01

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Contents Corporate Headquarters Page Cisco Systems, Inc. All rights reserved Page N T E N T S Installation Installing and Removing a Dimm C-4 ViiViii Audience and Scope OrganizationRelated Documentation Conventions Xii Xiii Xiv Page Xvi Xvii Commands XviiiAccessibility Obtaining DocumentationCisco.com XixProduct Documentation DVD Ordering Documentation Documentation Store in the Cisco Marketplace at this URLXxi Documentation FeedbackCisco Product Security Overview Reporting Security Problems in Cisco Products XxiiXxiii Obtaining Technical AssistanceCisco Technical Support & Documentation Website Xxiv Submitting a Service RequestDefinitions of Service Request Severity Obtaining Additional Publications and Information XxvXxvi Key Features OverviewFeature Description Product Serial Number Location CiscoBack Panel Ports and LEDs Back Panel Ports and LEDsLabel/Color Description Front Panel LEDs WIC0 OKLED Label Color Description Router Memory Types of MemoryAmounts of Memory 815# show versionItems Included with the Cisco 815 Integrated Services Router Unpacking the RouterInstallation Before Installing the RouterConnecting the Router to Your Local Network Installation Connecting the Router to Your Local Network Connecting the Router to the Local Network Connecting Power to the Router Connecting the Power SupplyVerifying Your Installation Optional Installation Procedures Connecting a PCConnecting the Console Cable to the Router Connecting a Modem AUX port RJ-45 DB-9-to-DB-25 adapter Console cable ModemStacking the Router Assembling Stacking Clip and Fastener Stacking the Router Back View Unstacking the Router Unstacking the RouterOL-9558-01 Troubleshooting Contacting Your Cisco ResellerRecovering a Lost Password Determining the Configuration Register ValueConfiguration register is 0x2102 815# Resetting the Router Press Return. The following prompt appearsPrompt changes to the privileged Exec prompt Resetting the Password Resetting the Configuration Register ValueProblem Solving OK LED DiagnosticsTroubleshooting WICs and Cables Number of Blinks MeaningExample WIC-4ESW Troubleshooting the Power System Symptom Possible Causes Technical Specifications Operating Specifications Cabling Specifications Ethernet CablesEthernet Network Cabling Guidelines 10BASE-T 100BASE-TXSignal RJ-45 Pin DB-9 Pin DB-25 Pin Console Cable and AdapterOL-9558-01 Safety Warnings Opening the Chassis Figure C-1 Removing the Chassis Screws Installing and Removing a Dimm Locating ModulesRemoving a Dimm Release the latches Remove the DimmInstalling a Dimm Insert the Dimm Latches rotate to closed positionInstalling a VPN Module Screw StandoffFigure C-7 VPN Module Location Figure C-9 Retention Clip Location Figure C-10 Aligning the Retention Clip Center Post Figure C-11 Attaching the Retention Clip to the Motherboard Figure C-12 Securing the Standoff to the Router Motherboard Closing the Chassis Figure C-13 Attaching the Router Cover NumericsC IN-1ETH COL LED IN-2Dimm C-4 IN-3IN-4