Need to reset your Cisco Catalyst 3750 back to the factory default settings? Have you forgotten your password? Well you have come to the right place. Note that I am assuming that you have already established a console connection to the switch using a Cisco serial cable (rollover cable).
First you need to power down the switch. Once the switch is powered off, hold down the mode button, and power the switch on. The switch will boot up and you should see the switch prompt as shown below.
Now type flash_init. Your output should be similar to what you see below
This is my first post in what I hope to be a long line of Cisco networking related posts, as I have just gotten my hands on a bit of used Cisco equipment and hope to use it to setup a home lab.
First step of setting up this home lab is to get my two Catalyst 2960s reset to factory defaults. So here is how you do it. Note that I am assuming that you have already established a console connection to the switch.
First,boot up the switch while holding down the MODE button until you see the following appear on the screen
Boot Sector Filesystem (bs) installed, fsid: 2
Base ethernet MAC Address: 00:17:0e:17:de:80
Xmodem file system is available.
The password-recovery mechanism is enabled.
The system has been interrupted prior to initializing the
flash filesystem. The following commands will initialize
the flash filesystem, and finish loading the operating