478 | Security
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Enable AAA Authentication
To enable AAA authentication, use the following command in CONFIGURATION mode:
If you do not set the default list, only the local enable is checked. This has the same effect as issuing the
aaa authentication enable default enable command.
AAA Authentication—RADIUS
To enable authentication from the RADIUS server, and use TACACS as a backup, use the following
commands:
To get enable authentication from the RADIUS server, and use TACACS as a backup, use the following
commands:
Command Syntax Command Mode Purpose
aaa authentication enable {method-list-name
| default}
method1 [... method4]
CONFIGURATION • default—Uses the listed authentication
methods that follows this argument as the
default list of methods when a user logs in.
• method-list-name—Character string used to
name the list of enable authentication methods
activated when a user logs in.
•
method1 [... method4]—Any of the following:
RADIUS, TACACS, enable, line, none.
Step Command Syntax Command Mode Purpose
1
aaa authentication enable default radius
tacacs
CONFIGURATION To enable RADIUS and to set up TACACS
as backup.
2
radius-server host x.x.x.x key
some-password
CONFIGURATION To establish host address and password.
3
tacacs-server host x.x.x.x key
some-password
CONFIGURATION To establish host address and password.
FTOS(conf)# aaa authentication enable default radius tacacs
Radius and TACACS server has to be properly setup for this.
FTOS(conf)# radius-server host x.x.x.x key <some-password>
FTOS(conf)# tacacs-server host x.x.x.x key <some-password>