conf t

config-register 0x2102

crypto key zeroize

yes

no crypto pki certificate pool

yes

exit

!

delete /force vlan.dat

delete /force nvram:*.cer

delete /force nvram:pnp*

delete /force flash:pnp*

!Next two lines are only for HA systems

!delete /force stby-nvram:*.cer

!delete /force stby-nvram:*.pnp*

write erase

 

reload

no