Reference Guide

88 | 802.1X
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Configuring Request Identity Re-transmissions
If the authenticator sends a Request Identity frame, but the supplicant does not respond, the authenticator
waits 30 seconds and then re-transmits the frame. The amount of time that the authenticator waits before
re-transmitting and the maximum number of times that the authenticator re-transmits are configurable.
To configure the amount of time that the authenticator waits before re-transmitting an EAP Request
Identity frame:
To configure a maximum number of Request Identity re-transmissions:
Figure 6-7 shows configuration information for a port for which the authenticator re-transmits an EAP
Request Identity frame after 90 seconds and re-transmits a maximum of 10 times.
Configuring a Quiet Period after a Failed Authentication
If the supplicant fails the authentication process, the authenticator sends another Request Identity frame
after 30 seconds by default, but this period can be configured.
Note: There are several reasons why the supplicant might fail to respond; the supplicant might have been
booting when the request arrived, or there might be a physical layer problem.
Step Task Command Syntax Command Mode
1 Configure the amount of time that the authenticator
waits before re-transmitting an EAP Request Identity
frame.
dot1x tx-period number
Range: 1-31536000 (1 year)
Default: 30
INTERFACE
Step Task Command Syntax Command Mode
1 Configure a maximum number of times that a Request
Identity frame can be re-transmitted by the
authenticator.
dot1x max-eap-req number
Range: 1-10
Default: 2
INTERFACE
Note: The quiet period (dot1x quiet-period) is an transmit interval for after a failed authentication where as
the Request Identity Re-transmit interval (
dot1x tx-period) is for an unresponsive supplicant.