Table of Contents
Chapter 9
Configuring IEEE 802.1x Port-Based Authentication
Beginning in privileged EXEC mode, follow these steps to change the amount of time that the switch
waits for client notification. This procedure is optional.
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
authentication timer reauthenticate
seconds
Step 4
end
Step 5
show authentication interface
interface-id
Step 6
copy running-config startup-config
To return to the default retransmission time, use the no authentication timer reauthenticate interface
configuration command.
This example shows how to set 60 as the number of seconds that the switch waits for a response to an
EAP-request/identity frame from the client before resending the request:
Switch(config-if)# authentication timer reauthenticate 60
Setting the Switch-to-Client Frame-Retransmission Number
In addition to changing the switch-to-client retransmission time, you can change the number of times
that the switch sends an EAP-request/identity frame (assuming no response is received) to the client
before restarting the authentication process.
Note
You should change the default value of this command only to adjust for unusual circumstances such as
unreliable links or specific behavioral problems with certain clients and authentication servers.
Beginning in privileged EXEC mode, follow these steps to set the switch-to-client frame-retransmission
number. This procedure is optional.
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
dot1x max-reauth-req count
Step 4
end
Step 5
show authentication interface
interface-id
Step 6
copy running-config startup-config
OL-13270-06
Purpose
Enter global configuration mode.
Specify the port to be configured, and enter interface configuration mode.
Set the number of seconds that the switch waits for a response to an
EAP-request/identity frame from the client before resending the request.
The range is 1 to 65535 seconds; the default is 5.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Purpose
Enter global configuration mode.
Specify the port to be configured, and enter interface configuration mode.
Set the number of times that the switch sends an EAP-request/identity
frame to the client before restarting the authentication process. The range
is 1 to 10; the default is 2.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
Configuring 802.1x Authentication
9-47
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