Cisco ASA - Restore to Factory Defaults

In configuration mode execute command "configure factory-default" to restore a Cisco ASA to its original factory defaults.

Syntax:

enable !!To enter privileged EXEC mode!!
configure terminal !!To enter configuration mode!!
configure factory-default !!To restore to factory defaults!!
write memory !!To write the running-config to start-up-config!!

Example:

Cisco-ASA>
Cisco-ASA> enable
Cisco-ASA#
Cisco-ASA# configure terminal
Cisco-ASA(Config)#
Cisco-ASA(Config)# configure factory-default
Cisco-ASA(Config)# 
Cisco-ASA(Config)# write memory
Cisco-ASA(Config)#