Configuration>Security>Authentication in Expert mode brings up the form shown in the following figure.The default authentication method for the KVM is Local. The administrator can either accept the default or select one of the other authentication methods from the drop-down list on the AuthType form.See To Configure an Authentication Method for KVM Logins for the procedure.Any authentication method chosen for the KVM is used for authentication of any users attempting access through telnet, ssh, or the WMI.The administrator fills out one of the tabbed forms to set up an authentication server for each authentication method to be used by the KVM and by any of its ports: RADIUS, TACACS+, LDAP, Kerberos, SMB (ports only), NIS.To Configure an Authentication Method for KVM Logins
2. To specify an authentication method for logins to the KVM, select a method from the Authentication drop-down list.
3. Make sure that an authentication server is specified for the selected authentication type.