Cisco Equipment Operations - CCIE Routing and Switching Exam Certification Guide - page 80

At the > prompt, type o to record the current value of the configuration
register (usually 0x2102, or 0x102):

Step 3

>o
Configuration register = 0x2102 at last boot
Bit# Configuration register option settings:
15 Diagnostic mode disabled
...

Step 4

Type o/r 0x2142 to tell the router to boot from flash without loading the
configuration in NVRAM at the next reload.

Step 5

Type i to have the router reboot. The router ignores the configuration in
NVRAM.

Step 6

The router runs the Setup Dialog. Type no or press Ctrl-C to skip the Initial
Setup Dialog.

Step 7

Type enable at the Router> prompt to go to privileged exec mode.

Step 8

Copy the startup configuration to the running configuration by using the
configure memory or copy startup-config running-config commands. Do
not type configure terminal . If you use the configure terminal command,
you overwrite the configuration stored in NVRAM.

Step 9

View the configuration by typing write terminal or show running-config .
View the configured line, vty, and enable passwords. Any encrypted
passwords need to be changed.

Step 10 Enter configuration mode by typing configure terminal . Change the line or
enable passwords as necessary.

Step 11 All interfaces are in a shutdown state. Issue the no shutdown command on
every interface that is to be used.

Step 12 Type config-register 0x2102 to return the router to normal operation at the
next reload.

Step 13 Exit configuration mode by pressing Ctrl-z.

Step 14 Save your changes by typing write memory or copy running-config
startup-config .

Step 15 Reload the router and verify the passwords.

The index for password recovery procedures for all Cisco devices can be found at the following
web site: www.cisco.com/warp/public/474/.