Dell POWEREDGE M1000E User Manual

Page 177

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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command Reference

OL-13271-03

Chapter 2 Cisco Catalyst Blade Switch 3130 and 3032 for Dell Cisco IOS Commands

dot1x timeout

Usage Guidelines

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.

The dot1x timeout reauth-period interface configuration command affects the behavior of the switch
only if you have enabled periodic re-authentication by using the dot1x reauthentication interface
configuration command.

During the quiet period, the switch does not accept or initiate any authentication requests. If you want
to provide a faster response time to the user, enter a number smaller than the default.

When the ratelimit-period is set to 0 (the default), the switch does not ignore EAPOL packets from
clients that have been successfully authenticated and forwards them to the RADIUS server.

Examples

This example shows how to enable periodic re-authentication and to set 4000 as the number of seconds
between re-authentication attempts:

Switch(config-if)# dot1x reauthentication

Switch(config-if)# dot1x timeout reauth-period 4000

This example shows how to enable periodic re-authentication and to specify the value of the
Session-Timeout RADIUS attribute as the number of seconds between re-authentication attempts:

Switch(config-if)# dot1x reauthentication

Switch(config-if)# dot1x timeout reauth-period server

This example shows how to set 30 seconds as the quiet time on the switch:

Switch(config-if)# dot1x timeout quiet-period 30

This example shows how to set 45 seconds as the switch-to-authentication server retransmission time:

Switch(config)# dot1x timeout server-timeout 45

This example shows how to set 45 seconds as the switch-to-client retransmission time for the EAP
request frame:

Switch(config-if)# dot1x timeout supp-timeout 45

This example shows how to set 60 as the number of seconds to wait for a response to an
EAP-request/identity frame from the client before re-transmitting the request:

Switch(config-if)# dot1x timeout tx-period 60

This example shows how to set 30 as the number of seconds that the switch ignores EAPOL packets from
successfully authenticated clients:

Switch(config-if)# dot1x timeout ratelimit-period 30

You can verify your settings by entering the show dot1x privileged EXEC command.

Related Commands

Command

Description

dot1x max-req

Sets the maximum number of times that the switch sends an
EAP-request/identity frame before restarting the authentication process.

dot1x reauthentication

Enables periodic re-authentication of the client.

show dot1x

Displays IEEE 802.1x status for all ports.

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