14-11
Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
Chapter 14 Troubleshooting
Recovering a Lost Password
Reset the Router
To reset the router, follow these steps:
Step 1
If break is enabled, go to
Step 2
. If break is disabled, turn the router off (O), wait 5 seconds, and turn it
on (|) again. Within 60 seconds, press the
Break
key. The terminal displays the ROM monitor prompt.
Go to
Step 3
.
Note
Some terminal keyboards have a key labeled
Break
. If your keyboard does not have a Break key,
see the documentation that came with the terminal for instructions on how to send a break.
Step 2
Press
break
. The terminal displays the following prompt:
rommon 2>
Step 3
Enter
confreg 0x142
to reset the configuration register:
rommon 2>
confreg 0x142
Step 4
Initialize the router by entering the
reset
command:
rommon 2>
reset
The router cycles its power, and the configuration register is set to 0x142. The router uses the boot ROM
system image, indicated by the system configuration dialog:
--- System Configuration Dialog ---
Step 5
Enter
no
in response to the prompts until the following message is displayed:
Press RETURN to get started!
Step 6
Press
Return
. The following prompt appears:
Router>
Step 7
Enter the
enable
command to enter enable mode. Configuration changes can be made only in enable
mode:
Router>
enable
The prompt changes to the privileged EXEC prompt:
Router#
Step 8
Enter the
show startup-config
command to display an enable password in the configuration file:
Router#
show startup-config
If you are recovering an enable password, omit the following
“Reset the Password and Save Your
Changes”
section, and complete the password recovery process by performing the steps in the
“Reset the
Configuration Register Value”
section.
If you are recovering an enable secret password, it is not displayed in the
show startup-config
command
output. Complete the password recovery process by performing the steps in the following
“Reset the
Password and Save Your Changes”
section.
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Страница 21: ...P A R T 1 Getting Started ...
Страница 22: ......
Страница 39: ...P A R T 2 Configuring Your Router for Ethernet and DSL Access ...
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Страница 119: ...P A R T 3 Configuring Additional Features and Troubleshooting ...
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Страница 157: ...P A R T 4 Reference Information ...
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