User manual

S YSTEM M ANAGEMENT C OMMANDS
4-53
Related Commands
ip ssh crypto zeroize (4-53)
ip ssh save host-key (4-54)
ip ssh crypto zeroize
Use this command to clear 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
Related Commands
ip ssh crypto host-key generate (4-52)
ip ssh save host-key (4-54)
no ip ssh server (4-48)
Console#ip ssh crypto zeroize dsa
Console#