Microsoft ES4625 Manuel D’Utilisation
Command Line Interface
4-40
4
Command Usage
• This command stores the host key pair in memory (i.e., RAM). Use the ip ssh
save host-key command to save the host key pair to flash memory.
• Some SSH client programs automatically add the public key to the known
hosts file as part of the configuration process. Otherwise, you must manually
create a known hosts file and place the host public key in it.
create a known hosts file and place the host public key in it.
• The SSH server uses this host key to negotiate a session key and encryption
method with the client trying to connect to it.
Example
Related Commands
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.
• 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
Console#ip ssh crypto host-key generate dsa
Console#
Console#
Console#ip ssh crypto zeroize dsa
Console#
Console#