Renaming Software to Recover a Password

Some Cisco devices, such as the Catalyst 2900XL, 3500XL, 2950, and 3550 series of switches, require you to rename your configuration file that contains the password definitions for your device. By following these steps, you can recover your passwords:

Step 1.
Attach a terminal or a PC with terminal emulation to the router's console port.
Step 2.
Unplug the power cable to reset your device.
Step 3.
Before reconnecting the power cord, hold down the mode button, located on the left side of your switch's front panel. Do not release the mode button until a second or two after the LED above port 1x is no longer illuminated. The following appears on your terminal:
 The system has been interrupted prior to initializing ...

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