2
AAA COMMANDS
aaa authentication 
login
The aaa authentication login Global Configuration mode command 
defines login authentication. To restore defaults, use the no form of this 
command.
Syntax
aaa authentication login {default | list-name} method1 [method2...]
no aaa authentication login {default | list-name}
Parameters
■ default — Uses the listed authentication methods that follow this 
argument as the default list of methods when a user logs in.
■ list-name — Character string used to name the list of authentication 
methods activated when a user logs in. (Range: 1-12 characters)
■ method1 [method2...] — Specify at least one method from the 
following list:
Default Configuration
The local user database is checked. This has the same effect as the 
command aaa authentication login list-name local.
Keyword Description
enable Uses the enable password for authentication.
line Uses the line password for authentication.
local Uses the local username database for authentication.
none Uses no authentication.
radius Uses the list of all RADIUS servers for authentication.
tacacs Uses the list of all TACACS+ servers for authentication.