Cisco Catalyst 4500 Series Configuration Manual page 997

Chapter 44 Configuring 802.1X Port-Based Authentication
To allow VLAN assignment, you must enable AAA authorization to configure the switch for all
Note
network-related service requests.
To configure 802.1X port-based authentication, perform this task:
Command
Step 1
Switch# configure terminal
Step 2
Switch(config)#
dot1x system-auth-control
Step 3
Switch(config)# aaa new-model
Step 4
Switch(config)# aaa authentication
{ }
dot1x default
Step 5
Switch(config)# aaa authorization
network {default} group radius
Step 6
Switch(config)# interface
interface-id
Step 7
Switch(config-if)# switchport mode
access
Step 8
Switch(config-if)# dot1x pae
authenticator
Step 9 Cisco IOS Release 12.2(50)SG and later
Switch(config-if)# authentication
port-control auto
Cisco IOS Release 12.2(46)SG or earlier
releases
Switch(config-if)# dot1x
port-control auto
Step 10
Switch(config-if)# end
OL-25340-01
Purpose
Enters global configuration mode.
Enables 802.1X on your switch.
To disable 802.1X globally on the switch, use the
no dot1x system-auth-control command.
Enables AAA.
To disable AAA, use the no aaa new-model command.
Creates an 802.1X AAA authentication method list.
[ ...]
method1 method2
To create a default list that is used when a named list is not specified in
the authentication command, use the default keyword followed by the
methods that are to be used in default situations. The default method list
is automatically applied to all interfaces.
Enter at least one of these keywords:
•
•
To disable 802.1X AAA authentication, use the
no aaa authentication dot1x {default | list-name} method1 [method2...]
global configuration command.
(Optional) Configures the switch for user RADIUS authorization for all
network-related service requests, such as VLAN assignment.
Enters interface configuration mode and specifies the interface to be
enabled for 802.1X authentication.
Specifies a nontrunking, nontagged single VLAN Layer 2 interface.
Enables 802.1X authentication on the port with default parameters.
Refer to the
Enables 802.1X authentication on the interface.
Returns to privileged EXEC mode.
group radius—Use the list of all RADIUS servers for authentication.
none—Use no authentication. The client is automatically
authenticated by the switch without using the information supplied by
the client.
"Default 802.1X Configuration" section on page
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
Configuring 802.1X Port-Based Authentication
44-27.
44-29