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UTHENTICATION
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OMMANDS
3-51
authentication login
Use this command to define the login authentication method and
precedence. Use the no form to restore the default.
Syntax
authentication login {[local] [radius] [tacacs]}
no authentication login
• local - Use local authentication.
• radius - Use RADIUS server authentication.
• tacacs - Use TACACS+ server authentication.
Default Setting
Local only
Command Mode
Global Configuration
Command Usage
• RADIUS uses UDP while TACACS+ uses TCP. UDP only offers best
effort delivery, while TCP offers a connection-oriented transport. Also,
note that RADIUS encrypts only the password in the access-request
packet from the client to the server.
• RADIUS and TACACS+ logon authentication can control
radius-server timeout Sets the interval between sending
authentication requests
GC 3-55
show radius-server Shows the current RADIUS settings PE 3-55
TACACS+ Client
tacacs-server host Specifies the TACACS+ server GC 3-56
tacacs-server port Specifies the TACACS+ server network
port
GC 3-56
tacacs-server key Sets the TACACS+ encryption key GC 3-57
show tacacs-server Shows the current TACACS+ settings GC 3-57
Command Function Mode Page