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Lilirouter Posted on Feb 17, 2014

Cisco 3750 password recovery

Very annoying, but I want to recover the password or set the cisco 3750 to the default password, as forget it. can you please help me with the steps?

1 Answer

Emma Lee

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  • Contributor 13 Answers
  • Posted on Feb 20, 2014
Emma Lee
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1 Related Answer

Anonymous

  • 16 Answers
  • Posted on Feb 09, 2009

SOURCE: catalyst ws-c2926 password recovery problem

  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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Related Questions:

3helpful
2answers

How to retrieve Cisco router password without losing configuration?

Need help to recover the forgotten password of your Cisco router? The following guide will help you restore the password without losing your router configuration. To retrieve the password, you will require rebooting your router many times. It means stoppage, but it is the best step to reset the password. At first, you need to connect the first end of the standard light blue cable to the power port and the other end to the 'Console' port on the back of your router. After connecting the devices, you need to make a serial connection to the router. For that, you need the following settings:

Baud: 9600
Parity: No
Data bits: 8
Stop bits: 1
Flow Control: None

To recover the Cisco router password, check the following steps:-

1.Restart your Cisco router and press the 'Break' key to conflict the boot order. Input config 0x2142. It conveys the router to avoid NVRAM in the boot process. It won't load your current configuration.

2.Enter reset to restart your router. When asked to run the setup process, choose 'No.' Enter 'Copy Start, Run.' It loads the beginning setup into memory.

3.Now, if you enter the 'Show Run Config,' it will show you the router settings. Also, you should consider that the router name is in the prompt rather than the default 'Router.'

4.Type the 'enable secret new password' to change the enabled secret, and then enter the 'config-register 0x2102' to modify the registry settings back to 0x2102.

5.Once your router restarts, it will load the old settings along with the new password. Now, you need to save it so that it will continue during restarts.

6.Enter copy run start. Type Reload at the prompt to reboot the Cisco router.

Now, note down the password to keep them safe. However, if the steps as given above fail to recover the Cisco router password without losing the configuration or you need the help of experts, you can call on the genuine Cisco customer care number listed on the Contactforhelp to get the direct support of experts for recovering the password quickly.
tip

RAR Password Recovery 5.0 recovers passwords for RAR archives created with...

RAR Password Recovery 5.0 recovers passwords for RAR archives created with WinRAR, RAR or any other RAR-compatible software. Forgetting a password for an archive created long time ago is a common annoyance. RAR Password Recovery helps you to get your data back. Advanced dictionary attack, brute-force attack, and advanced brute-force with mask attack are used to recover the password. This software is easy to install and easy to use. All you need to do to recover your password is just to drag and drop your file to the program window. Dictionary attack supports 'mistypes' and additional user dictionaries. http://www.recoverlostpassword.com/products/rarpasswordrecovery.html
on Jul 12, 2010 • Computers & Internet
tip

WinRAR Password Recovery

RAR Password Recovery 5.0 recovers passwords for RAR archives created with WinRAR, RAR or any other RAR-compatible software. Forgetting a password for an archive created long time ago is a common annoyance. RAR Password Recovery helps you to get your data back. Advanced dictionary attack, brute-force attack, and advanced brute-force with mask attack are used to recover the password. This software is easy to install and easy to use. All you need to do to recover rar password is just to drag and drop your file to the program window. Dictionary attack supports 'mistypes' and additional user dictionaries.

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on Mar 15, 2010 • Computers & Internet
0helpful
1answer

Cisco 3750 web config

Yes, know more about the Cisco 3750, just visit: http://www.3anetwork.com/cisco-catalyst-3750-switches-price_c41
0helpful
1answer

I forgot to change the default public credential User: cisco and pwd: cisco. Un fortunately I did restart the router. I would like your assistance to gain access to the router or to reset it back to...

Here is a cisco page that goes over the password recovery procedure. Once you reset the credentials, you can make any configuration changes needed. You will also have the option to keep the existing configuration in place but change the password, if the configuration has any use to you.

http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_tech_note09186a00801746e6.shtml
tip

RAR Password Recovery 5.0 recovers passwords for RAR archives created with...

This is a tip explaining how to recover lost RAR file passwords. I will also provide you with a link where you will be able to download the software required to recover your password. You need to remember, that this process of recovering the password, may take a few hours.

For this purpose, i will password protect a rar file, and recover the password by using this software, RAR password recovery magic.

Click HERE to download the software. You will need to wait 1 minute before the download will start. Choose the "Regular download" option to download.

Once you have downloaded the software, we can extract and install it. Here is how it is done.

Step 1:

Extract the.

I set the download directory for the file to be saved on my desktop

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When the download completed, i extracted it to my desktop.






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Now , i have opened the extracted folder, to have a look at the contents.

086ea42.jpg

YOu will see a couple of files, but, you only need the first one. Open the first folder. You will see a rar file once again. All you need is to extract this folder. It contains the install file, as well as the serial.




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Now, open the folder you have extracted. You will note that there is a serial code as well. After installation, we will enter the serial key, and star recovering.





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Now the software is installed, all you need to do now is to enter the serial code. You can have the serial code, as well as the name in the folder with the serial file, as above mentioned. Choose the enter code option to enter the serial.

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You need to fill in the same name and serial as shown. You can leave out your email address.





Ok, now we are done installing. Now we can start to recover. For this purpose i created a password protected rar folder. The password is 123. This is a easy password, but the software can manage up to 6 letters and charters.

Here is how we insert the rar file and start recovering.

Open the software, you should have a icon on your desktop.

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Click on the OPEN tab, and brows to the password protected folder you want to recover.

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Select the settings tab, and choose if your password was either letters or numbers, or a combination. Mine was only numbers, so i selected only the number box.

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Now, just click on start, and wait for the software to recover your password. This might take a while, so you can minimize the trey, and continue with other work if you like.

When the password is recovered, you will hear a sound notification, and see a pop up. This pop up will contain the password.

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I really hope you can find this helpful. Please rate accordingly.

Kind regards
Andrea
on Mar 15, 2010 • Computers & Internet
0helpful
2answers

Cisco 1760 router had not accept password i think i forget my give me suggesion to recover it

you will have to reset it or recover it. It can be a lengthy process, here's the howto on cisco's site for a 1760 router password reset/recover:

http://ciscosystems.com/en/US/docs/routers/access/1700/1760/hardware/installation/guide/trblsht.html
9helpful
6answers

I forgot my rar password can u help me????

RAR Password Recovery 5.0 recovers passwords for RAR archives created with WinRAR, RAR or any other RAR-compatible software. Forgetting a password for an archive created long time ago is a common annoyance. RAR Password Recovery helps you to get your data back. Advanced dictionary attack, brute-force attack, and advanced brute-force with mask attack are used to recover the password. This software is easy to install and easy to use. All you need to do to recover your password is just to drag and drop your file to the program window. Dictionary attack supports 'mistypes' and additional user dictionaries. RAR Password Recovery proved to be an effective way to uncover lost or forgotten passwords
0helpful
1answer

Default pasword

Cisco switches dont have a default password.
You will have to perform a password recovery process that is quite extensive.
You need to console into the switch using hyperterminal or teraterm and follow these instructions located at: http://www.cisco.com/en/US/products/hw/switches/ps628/products_password_recovery09186a0080094184.shtml
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