Chapter 84: Secure Shell (SSH) Server
1382
Deleting Encryption Keys
To delete encryption keys from the switch, use the CRYPTO KEY
DESTROY HOSTKEY command in the Global Configuration mode. Here
is the format of the command:
crypto key destroy hostkey dsa|rsa|rsa1
You should disable the SSH server before deleting the encryption
key. The operations of the server will be impaired if you delete the
active key when the server is enabled.
If you disable the server during a remote SSH management session,
your session ends. To resume managing the unit with the manager
account, you must wait for the console timer on the switch to expire
and then establish a local management session or remote Telnet or
web browser session.
This example deletes the DSA key:
awplus> enable
awplus# configure terminal
awplus(config)# no service ssh
awplus(config)# crypto key destroy hostkey dsa
This example deletes the RSA key:
awplus> enable
awplus# configure terminal
awplus(config)# no service ssh
awplus(config)# crypto key destroy hostkey rsa
This example deletes the RSA1 key:
awplus> enable
awplus# configure terminal
awplus(config)# no service ssh
awplus(config)# crypto key destroy hostkey rsa1
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