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VigorSwitch P2261 User’s Guide
184
Reauthentication Period. Reauthentication for
802.1X-enabled ports can be used to detect if a new device
is plugged into a switch port or if a supplicant is no longer
attached.
For MAC-based ports, reauthentication is only useful if the
RADIUS server configuration has changed. It does not
involve communication between the switch and the client,
and therefore doesn't imply that a client is still present on a
port (see Aging Period below).
Reauthentication Period
Determines the period, in seconds, after which a connected
client must be reauthenticated. This is only active if the
Reauthentication Enabled checkbox is checked. Valid
values are in the range 1 to 3600 seconds.
EAPOL Timeout
Determines the time for retransmission of Request Identity
EAPOL frames.
Valid values are in the range 1 to 255 seconds. This has no
effect for MAC-based ports.
Aging Period
This setting applies to the following modes, i.e. modes
using the Port Security functionality to secure MAC
addresses:
• Single 802.1X
• Multi 802.1X
• MAC-Based Auth.
When the NAS module uses the Port Security module to
secure MAC addresses, the Port Security module needs to
check for activity on the MAC address in question at regular
intervals and free resources if no activity is seen within a
given period of time. This parameter controls exactly this
period and can be set to a number between 10 and 1000000
seconds.
If reauthentication is enabled and the port is in an
802.1X-based mode, this is not so critical, since supplicants
that are no longer attached to the port will get removed upon
the next reauthentication, which will fail. But if
reauthentication is not enabled, the only way to free
resources is by aging the entries.
For ports in MAC-based Auth. mode, reauthentication
doesn't cause direct communication between the switch and
the client, so this will not detect whether the client is still
attached or not, and the only way to free any resources is to
age the entry.
Hold Time
This setting applies to the following modes, i.e. modes
using the Port Security functionality to secure MAC
addresses:
• Single 802.1X
• Multi 802.1X
• MAC-Based Auth.
If a client is denied access - either because the RADIUS
server denies the client access or because the RADIUS
server request times out (according to the timeout specified
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