Cisco Systems Password recovery - 2900XL

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Subject Author Date
Password recovery - 2900XL egas 07-28-06
Posted by egas on July 28, 2006, 11:09 pm
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Hello all,

I am about to perform a password recovery on a Catalyst 2900 XL switch.
Got the directions straight off of Cisco's website.

But I have a question that would require the knowledge of an
experianced user.
It goes like this....if I perform the password recovery, will I loose
all the settings of switch as configured by the previous admin?

Thank you for your time folks.

Regards,
Vishard.


Posted by on July 29, 2006, 12:20 am
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No, you onle need to reset the enable password while you are in
recovery mode. Reboot, you will be loaded to previous configuration
with new enable password.


egas wrote:
> Hello all,
>
> I am about to perform a password recovery on a Catalyst 2900 XL switch.
> Got the directions straight off of Cisco's website.
>
> But I have a question that would require the knowledge of an
> experianced user.
> It goes like this....if I perform the password recovery, will I loose
> all the settings of switch as configured by the previous admin?
>
> Thank you for your time folks.
>
> Regards,
> Vishard.


Posted by Doug McIntyre on July 29, 2006, 1:05 am
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ricecs@gmail.com writes:
>No, you onle need to reset the enable password while you are in
>recovery mode. Reboot, you will be loaded to previous configuration
>with new enable password.


Assuming one follows the directions down the path that says how to
retain the existing configuration. If you fail to do that, you won't
reboot with the old config still in place (although it'll have you
rename the config file into a new name, so it'll still exist in flash:
minus the VLAN data which is stored seperately in a different file.


>egas wrote:
>> Hello all,
>>
>> I am about to perform a password recovery on a Catalyst 2900 XL switch.
>> Got the directions straight off of Cisco's website.
>>
>> But I have a question that would require the knowledge of an
>> experianced user.
>> It goes like this....if I perform the password recovery, will I loose
>> all the settings of switch as configured by the previous admin?
>>
>> Thank you for your time folks.
>>
>> Regards,
>> Vishard.


Posted by egas on July 29, 2006, 4:53 am
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Thanks for the input guys!

I'm gonna go into the office and try it out on Sunday.

I found a site that had the info to recover the password but didn't
LOOK as initimidating as the info on Cisco's website (even though it
was pretty much the same thing!)

I'm gonna post it below in case someone ever come looking for it here.

Description

This document describes the password recovery procedure for the Cisco
Catalyst 2900-XL and the Cisco Catalyst 3500-XL.
Step-by-Step Procedure

1.

Attach a terminal or PC with terminal emulation to the console
port of the switch. Use the following terminal settings:

9600 baud rate
No parity
8 data bits
No stop bit

2. Unplug the power cable.

3. Hold down the mode button while reconnecting the power cord to
the switch. You can release the mode button a second or two after the
LED above port 1x is no longer illuminated.

The following instructions appear:

The system has been interrupted prior to initializing the
flash file system.
The following commands will initialize the flash file system,
and finish loading
the operating system software:

flash_init
load_helper
boot

4. Type flash_init.

5. Type load_helper.

6. Type dir flash:.

The switch file system is displayed:

Directory of flash:
2 -rwx 843947 Mar 01 1993 00:02:18 C2900XL-h-mz-112.8-SA
4 drwx 3776 Mar 01 1993 01:23:24 html
66 -rwx 130 Jan 01 1970 00:01:19 env_vars
68 -rwx 1296 Mar 01 1993 06:55:51 config.text
1728000 bytes total (456704 bytes free)

7. Type rename flash:config.text flash:config.old to rename the
configuration file.

This file contains the password definition.
8. Type boot to boot the system.

9. Enter N at the prompt to start the Setup program, Continue with
the configuration dialog? [yes/no] : N

10. At the switch prompt type en to turn on enable mode.

11. Type rename flash:config.old flash:config.text to rename the
configuration file with its original name.

12. Copy the configuration file into memory:

Switch# copy flash:config.text system:running-config
Source filename [config.text]? (press Return)
Destination filename [running-config]? (press Return)

The configuration file is now reloaded.
13. Change the password:

switch#configure terminal
switch(config)#enable password Cisco
switch#control/Z

14.

Write the running configuration to the configuration file:

switch(config)#write memory


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