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508 CHAPTER 22: FILE SYSTEM MANAGEMENT
Configuring and Canceling Local RSA Key Pair
In executing this command, if you have configured RSA host key pair, the system gives
an alarm after using this command and prompts that the existing one will be
replaced. The server key pair is created dynamically by the SSH server. The maximum
bit range of both key pairs is 2048 bits and the minimum is 512.
Please perform the following configurations in System View.
Table 578 Configuring and Canceling Local RSA Key Pair
For a successful SSH login, you must configure and generate the local RSA key pairs.
To generate local key pairs, you just need to execute the command once, with no
further action required even after the system is rebooted.
Configuring Authentication Type
For a new user, you must specify authentication type. Otherwise, they cannot access
the Switch.
Perform the following configurations in System View.
Table 579 Configuring Authentication Type
If the configuration is RSA authentication type, then the RSA public key of the client
user must be configured on the Switch, that is to perform the 7 and 8 serial number
marked configuration.
By default, no authentication type is specified for a new user, so they cannot access
the Switch.
Defining Update Interval of Server Key
Perform the following configurations in System View.
Table 580 Defining Update Interval of Server Key
By default, the system does not update server key.
Defining SSH Authentication Timeout Value
Perform the following configurations in System View.
Table 581 Defining SSH Authentication Timeout Value
By default, the timeout value for SSH authentication is 60 seconds.
Operation Command
Configure local RSA key pair rsa local-key-pair create
Cancel local RSA key pair rsa local-key-pair destroy
Operation Command
Configure authentication type ssh user username authentication-type {
password | rsa | all }
Remove authentication type setting undo ssh user username authentication-type
Operation Command
Define update interval of server key ssh server rekey-interval hours
Restore the default update interval undo ssh server rekey-interval
Operation Command
Define SSH authentication timeout value ssh server timeout seconds
Restore the default timeout value undo ssh server timeout