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Command Mode
Privileged Exec
Example
ip ssh crypto host-key generate
Use this command to generate the host key pair (i.e., public and private).
Syntax
ip ssh crypto host-key generate [dsa | rsa]
• dsa – DSA key type.
• rsa – RSA key type.
Default Setting
Generates both the DSA and RSA key pairs.
Command Mode
Privileged Exec
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.
• The SSH server uses this host key to negotiate a session key and
encryption method with the client trying to connect to it.
Example
Console#delete public-key admin dsa
Console#
Console#ip ssh crypto host-key generate dsa
Console#