Cisco 1812W - Integrated Services Router Wireless Configuration Manual page 152

Recovering a Lost Password
Change the Configuration Register
To change a configuration register, follow these steps:
Connect an ASCII terminal or a PC running a terminal emulation program to the CONSOLE port on the
Step 1
rear panel of the router.
Configure the terminal to operate at 9600 baud, 8 data bits, no parity, and 1 stop bit.
Step 2
At the privileged EXEC prompt (router_name #), enter the show version command to display the
Step 3
existing configuration register value (shown in bold at the bottom of this output example):
Router# show version
Cisco IOS Software, C180X Software (C180X-ADVENTERPRISEK9-M), Version 12.4(1.8)PI2c
ENGINEERING WEEKLY BUILD, synced to haw_t BASE_LABEL_OF_V124_2_T_THROTTLE
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Fri 27-May-05 16:14 by ccai
ROM: System Bootstrap, Version 12.3(8r)YH4, RELEASE SOFTWARE (fc1)
ng-esw1-uut1 uptime is 1 hour, 21 minutes
System returned to ROM by power-on
System image file is "flash:bootimage.ng-esw1-uut1"
This product contains cryptographic features and is subject to United
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use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.
A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
If you require further assistance please contact us by sending email to
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Cisco 1801 (MPC8500) processor (revision 0x200) with 118784K/12288K bytes of memory.
Processor board ID FHK091412QA, with hardware revision 0000
9 FastEthernet interfaces
1 ISDN Basic Rate interface
1 ATM interface
31360K bytes of ATA CompactFlash (Read/Write)
Configuration register is 0x2102
Step 4 Record the setting of the configuration register.
Step 5 Enter the config-register value command to set the new configuration register value. For example, to
enable the break setting (indicated by the value of bit 8 in the configuration register), enter the
config-register 0x01 command from privileged EXEC mode.
•
•
Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
14-10
Break enabled—Bit 8 is set to 0.
Break disabled (default setting)—Bit 8 is set to 1.
Chapter 14 Troubleshooting
OL-6426-02