Perle Systems SCS8C DC User Manual

 224

Authentication

connection. Therefore, any parameters configured by RADIUS or TACACS+ will override the same 
parameters configured in the IOLAN. See 

for more 

information.

In the Authentication window, you can select up to two methods of authentication made up of 
external authentication options and/or the local user database. 

Configure the following parameters:

The first authentication method that the IOLAN attempts. 
Data Options: Local, RADIUS, Kerberos, LDAP/Microsoft Active directory, 
TACACS+, SecurID, NIS
Default: Local

If the 

 fails, the next authentication method 

that the IOLAN attempts. You can choose to use authentication methods in 
combination. For example, you can specify the 

 as 

 and the 

 as 

. 

Therefore, some users can be defined in the IOLAN (

) others in 

.

Data Options: None, Local, RADIUS, Kerberos, LDAP/Microsoft Active 

Directory, TACACS+, SecurID, NIS
Default: None

Click this button to configure the authentication method.

Only use as backup The secondary authentication method will be tried only when the IOLAN 

cannot communicate with the primary authentication host.
Default: Disabled

When enabled, the IOLAN will only authenticate the admin user in the local 

user database, regardless of any external authentication methods configured. 
When disabled, a user called admin must exist when only external 

authentication methods are configured, or you will not be able to access the 

IOLAN as the admin user, except through the console port.
Default: Enabled