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Default Setting
768 bits
Command Mode
Global Configuration
Command Usage
• The server key is a private key that is never shared outside the switch.
• The host key is shared with the SSH client, and is fixed at 1024 bits.
Example
delete public-key
This command deletes the specified user’s public key.
Syntax
delete public-key username [dsa | rsa]
• username – Name of an SSH user. (Range: 1-8 characters)
• dsa – DSA public key type.
• rsa – RSA public key type.
Default Setting
Deletes both the DSA and RSA key.
Command Mode
Privileged Exec
Example
ip ssh crypto host-key generate
This command generates the host key pair (i.e., public and private).
Syntax
ip ssh crypto host-key generate [dsa | rsa]
• dsa – DSA (Version 2) key type.
• rsa – RSA (Version 1) key type.
Default Setting
Generates both the DSA and RSA key pairs.
Command Mode
Privileged Exec
Console(config)#ip ssh server-key size 512
Console(config)#
Console#delete public-key admin dsa
Console#