Allied Telesis AT-S81 - Manual (Page 310)

Chapter 29: 802.1x Network Access Control
310 Section II: Web Browser Interface
Maximum Request
Sets the maximum number of times that the switch retransmits an EAP
Request packet to the client before it times out the authentication
session. The default value for this parameter is 2 retransmissions. The
range is 1 to 10 retransmissions.
Re-auth Period
Specifies the time period between periodic reauthentication of the
client. The default value is 3600 seconds. The range is 1 to 65,535
seconds.
Re-auth Status
Specifies if reauthentication should occur according to the
reauthentication period. The options are Enabled or Disabled.
4. When you are finished configuring the parameters, click Apply.
5. If the port control setting is Auto and you want to return the EAPOL
machine state on the port to the initialized state, select Yes for the
Initialize parameter and click Apply.
6. If the port control setting is Auto and you want the node connected to
the port to reauthenticate with the RADIUS server, select Yes for the
Re-auth Initialize parameter and click Apply.