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Interlogix NS3502-8P-2S User Manual User Manual

Page 244

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IFS NS3502-8P-2S User Manual

244

into the Guest VLAN according to the rules outlined below.
This option is only available for EAPOL-based modes, i.e.:

Port-based 802.1X

Single 802.1X

Multi 802.1X

For trouble-shooting VLAN assignments, use the
"Monitor→VLANs→VLAN Membership and VLAN Port" pages.
These pages show which modules have (temporarily) overridden
the current Port VLAN configuration.

Guest VLAN Operation:
When a Guest VLAN enabled port's link comes up, the switch
starts transmitting EAPOL Request Identity frames. If the number
of transmissions of such frames exceeds Max. Reauth. Count and
no EAPOL frames have been received in the meanwhile; the
switch considers entering the Guest VLAN. The interval between
transmissions of EAPOL Request Identity frames is configured
with EAPOL Timeout. If Allow Guest VLAN if EAPOL Seen is
enabled, the port will now be placed in the Guest VLAN. If
disabled, the switch will first check its history to see if an EAPOL
frame has previously been received on the port (this history is
cleared if the port link goes down or the port's Admin State is
changed), and if not, the port will be placed in the Guest VLAN.
Otherwise it will not move to the Guest VLAN, but continue
transmitting EAPOL Request Identity frames at the rate given by
EAPOL Timeout.

Once in the Guest VLAN, the port is considered authenticated,
and all attached clients on the port are allowed access on this
VLAN. The switch will not transmit an EAPOL Success frame when
entering the Guest VLAN.

While in the Guest VLAN, the switch monitors the link for EAPOL
frames, and if one such frame is received, the switch immediately
takes the port out of the Guest VLAN and starts authenticating
the supplicant according to the port mode. If an EAPOL frame is
received, the port will never be able to go back into the Guest
VLAN if the "Allow Guest VLAN if EAPOL Seen" is disabled.

Port State

The current state of the port. It can undertake one of the
following values:
Globally Disabled: NAS is globally disabled.