TechTip: Reset Cisco Catalyst 2900/3500/3550/XL to factory defaults

1. Unplug the switch.
2. While holding the Mode button on the left side of front panel , reconnect power.
3. When the LED above Port 1x goes out, release the Mode button.
4. Issue the flash_init command:
switch: flash_init
Initializing flash...

5. Issue the load_helper command:
switch: load_helper
switch:

6. Rename the configuration file:
switch: rename flash:config.text flash:config.old
7. Boot the switch using the boot command:
switch: boot
Loading "flash:c3550-i9q3l2-mz...EA1c.bin"...########

Would you like to enter the initial configuration dialog? [yes/no]

8. Select "yes" when you are ready to configure the switch or "no" to start without configuration wizard. You're done.

2 comments:

Anonymous said...

Thanks to the poster, it was clear and prompt guidance of my question "how to reset Catalyst 2900 series XL Switch"
Many thanks

Juan Segura S. said...

Thanks