HP ProCurve 2910al Access Security Manual page 108

Web and MAC Authentication
Configuring Web Authentication
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Syntax: aaa port-access web-based <port-list> [max-retries <1-10>]
Specifies the number of the number of times a client
can enter their user name and password before authen­
tication fails. This allows the reentry of the user name
and password if necessary.
(Default: 3)
Syntax: aaa port-access web-based <port-list> [quiet-period <1 - 65535>]
Specifies the time period (in seconds) the switch uses
before sending an authentication request for a client
that failed authentication. (Default: 60 seconds)
Syntax: aaa port-access web-based <port-list > [reauth-period <0 - 9999999>]
Specifies the time period, in seconds, the switch
enforces on a client to re-authenticate. When set to 0,
reauthentication is disabled. (Default: 300 seconds)
Syntax: aaa port-access web-based <port-list> [reauthenticate]
Forces a reauthentication of all attached clients on the
port.