86 AAA Commands
User Guidelines
• The default and optional list names created with the
aaa authentication login
command are used with
the
login authentication
command.
• Create a list by entering the
aaa
authentication login
list-name method
command for a particular
protocol, where
list-name
is any character string used to name this list. The
method
argument identifies
the list of methods that the authentication algorithm tries, in the given sequence.
• The additional methods of authentication are used only if the previous method returns an error, not if
it fails. To ensure that the authentication succeeds even if all methods return an error, specify
none
as
the final method in the command line.
Example
The following example configures authentication login.
aaa authentication enable
The aaa authentication enable Global Configuration mode command defines authentication method
lists for accessing higher privilege levels. Use the no form of this command to return to the default
configuration.
Syntax
•
aaa authentication enable
{
default
|
list-name
}
method1
[
method2
...]
• no aaa authentication enable default
•
default
— Uses the listed authentication methods that follow this argument as the default list of
methods, when using higher privilege levels.
•
list-name
— Character string used to name the list of authentication methods activated, when
using access higher privilege levels.
•
method1
[
method2
...] — Specify at least one from the following table:
Console (config)# aaa authentication login default radius local
enable none
Keyword Source or destination
enable Uses the enable password for authentication.
line Uses the line password for authentication.
none Uses no authentication.
radius Uses the list of all RADIUS servers for authentication. Uses username
"$enabx$." where x is the privilege level.
tacacs Uses the list of all TACACS+ servers for authentication. Uses username
"$enabx$." where x is the privilege level.
5400_CLI.book Page 86 Wednesday, December 17, 2008 4:33 PM
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