Allied Telesis AT-S62 - Manual (Page 492)

Chapter 32: 802.1x Port-based Access Control Commands
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interval Specifies the intervals at which the switch is to send
interim accounting updates to the RADIUS server.
The range is 30 to 300 seconds. The default is 60
seconds.
Description
RADIUS accounting is supported on those switch ports operating in the
Authenticator role. The accounting information sent by the switch to a
RADIUS server includes the date and time when clients log on and log
off, as well as the number of packets sent and received by a switch port
during a client session. This feature is disabled by default on the switch.
Examples
This example activates RADIUS accounting and configures the software
to send accounting information only when the user logs off:
set radiusaccounting status=enabled
trigger=stop_only
This example enables the update feature and sets the interval period to
200 seconds:
set radiusaccounting updateenable=enabled
interval=200