Resetting Cisco IOS configuration

You can use the following Cisco IOS commands to reset the Cisco configuration back to factory defaults:

write erase

This will clear the startup-config and fill it up with factory defaults.

delete flash:vlan.dat

Most Cisco IOS switches keep VLAN configuration data — like VTP protocol data, active VLANs, and so on — in flash memory, in a file called vlan.dat.

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3 thoughts on “Resetting Cisco IOS configuration

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