Chapter 10 Configuring IEEE 802.1x Port-Based Authentication

Configuring IEEE 802.1x Authentication

 

Command

Purpose

Step 4

 

 

end

Return to privileged EXEC mode.

Step 5

 

 

show dot1xinterface interface-id

Verify your entries.

Step 6

 

 

copy running-config startup-config

(Optional) Save your entries in the configuration file.

 

 

 

To return to the default retransmission time, use the no dot1x timeout tx-periodinterface 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)#dot1x timeout tx-period 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

Purpose

Step 1

 

 

configure terminal

Enter global configuration mode.

Step 2

 

 

interface interface-id

Specify the port to be configured, and enter interface configuration mode.

Step 3

 

 

dot1x max-reauth-req count

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.

Step 4

 

 

end

Return to privileged EXEC mode.

Step 5

 

 

show dot1x interface interface-id

Verify your entries.

Step 6

 

 

copy running-config startup-config

(Optional) Save your entries in the configuration file.

 

 

 

To return to the default retransmission number, use the no dot1x max-reqinterface configuration command.

This example shows how to set 5 as the number of times that the switch sends an EAP-request/identity request before restarting the authentication process:

Switch(config-if)# dot1x max-req 5

 

 

Catalyst 3750-E and 3560-E Switch Software Configuration Guide

 

 

 

 

 

 

OL-9775-02

 

 

10-31

 

 

 

 

 

Page 283
Image 283
Cisco Systems 3750E manual Setting the Switch-to-Client Frame-Retransmission Number, Dot1x max-reauth-req count, 10-31