Overview Of The Password Recovery Procedure; Details Of The Password Recovery Procedure - Cisco Router 7204 Installation And Configuration Manual
Cisco systems router installation and configuration guide
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Also See for Router Cisco 7204:
- Installing (21 pages) ,
- Installation and configuration manual (192 pages) ,
- Regulatory compliance and safety information manual (76 pages)
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Replacing or Recovering a Lost Password
Overview of the Password Recovery Procedure
Following is an overview of the steps in the password recovery procedure:
Step 1
If you can log in to the router, enter the show version command to determine the existing configuration
register value.
Step 2
Press the Break key to get to the bootstrap program prompt (ROM monitor). You might need to reload
the system image by power cycling the router.
Step 3
Change the configuration register so the following functions are enabled: Break; ignore startup
configuration; boot from Flash memory.
Note
Step 4
Power cycle the router by turning power off and then back on.
Step 5
Log in to the router and enter the privileged EXEC mode.
Step 6
Enter the show startup-config command to display the passwords.
Recover or replace the displayed passwords.
Step 7
Change the configuration register back to its original setting.
Step 8
Note
Details of the Password Recovery Procedure
Complete the following steps to recover or replace a lost enable, enable secret, or console login
password:
Step 1
Attach an ASCII terminal to the console port on your Cisco 7204.
Configure the terminal to operate at 9600 baud, 8 data bits, no parity, and 2 stop bits.
Step 2
If you can log in to the router as a nonprivileged user, enter the show version command to display the
Step 3
existing configuration register value. Note the value for use later and proceed to
log in to the router at all, go to the next step.
Step 4
Press the Break key or send a Break from the console terminal. If Break is enabled, the router enters the
ROM monitor, indicated by the ROM monitor prompt (
disabled, power cycle the router (turn the router off or unplug the power cord, and then restore power).
Then proceed to Step 5.
Step 5
Within 60 seconds of restoring the power to the router, press the Break key or send a Break. This action
causes the router to enter the ROM monitor and display the ROM monitor prompt (
Cisco 7204 Installation and Configuration Guide
6-14
The key to recovering a lost password is to set the configuration register bit 6 (0x0040) so that
the startup configuration (usually in NVRAM) is ignored. This will allow you to log in without
using a password and to display the startup configuration passwords.
To recover a lost password if Break is disabled on the router, you must have physical access to
the router.
Chapter 6
Maintaining the Cisco 7204
Step
). Proceed to Step 6. If Break is
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6. If you cannot
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Troubleshooting
