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Configuring 802.1x Authentication
VLAN assignment is enabled, as appropriate, based on the RADIUS server configuration.
Step 3
The switch sends a start message to an accounting server.
Step 4
Step 5
Re-authentication is performed, as necessary.
Step 6
The switch sends an interim accounting update to the accounting server that is based on the result of
re-authentication.
Step 7
The user disconnects from the port.
The switch sends a stop message to the accounting server.
Step 8
Beginning in privileged EXEC mode, follow these steps to configure 802.1x port-based authentication:
Command
Step 1
configure terminal
Step 2
aaa new-model
Step 3
aaa authentication dot1x {default}
method1 [method2...]
Step 4
dot1x system-auth-control
Step 5
aaa authorization network {default}
group radius
Step 6
interface interface-id
Step 7
dot1x port-control auto
Step 8
end
Step 9
show dot1x
Step 10
copy running-config startup-config
Catalyst 3750 Switch Software Configuration Guide
10-14
Chapter 10
Purpose
Enter global configuration mode.
Enable AAA.
Create an 802.1x authentication method list.
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 ports.
Enter at least one of these keywords:
•
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.
Enable 802.1x authentication globally on the switch.
(Optional) Configure the switch for user RADIUS authorization for all
network-related service requests, such as per-user ACLs or VLAN
assignment.
For per-user ACLs, single-host mode must be configured. This
Note
setting is the default.
Specify the port connected to the client that is to be enabled for 802.1x
authentication, and enter interface configuration mode.
Enable 802.1x authentication on the port.
For feature interaction information, see the
Guidelines" section on page
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Configuring 802.1x Port-Based Authentication
"802.1x Configuration
10-12.
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Troubleshooting
