S
M
YSTEM
ANAGEMENT
ip ssh crypto zeroize
This command clears the host key from memory (i.e. RAM).
Syntax
ip ssh crypto zeroize [dsa | rsa]
• dsa – DSA key type.
• rsa – RSA key type.
Default Setting
Clears both the DSA and RSA key.
Command Mode
Privileged Exec
Command Usage
• This command clears the host key from volatile memory (RAM). Use the
no ip ssh save host-key command to clear the host key from flash
memory.
• The SSH server must be disabled before you can execute this command.
Example
Console#ip ssh crypto zeroize dsa
Console#
Related Commands
ip ssh crypto host-key generate (4-51)
ip ssh save host-key (4-52)
no ip ssh server (4-47)
ip ssh save host-key
This command saves the host key from RAM to flash memory.
Syntax
ip ssh save host-key [dsa | rsa]
• dsa – DSA key type.
• rsa – RSA key type.
4-52
C
OMMANDS