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The access device handles VLANs on an 802.1X-enabled port based on its 802.1X access control
method.
•
On a port that performs port-based access control:
Authentication status
VLAN manipulation
A user that has not been assigned to any
VLAN fails 802.1X authentication because
all the RADIUS servers are unreachable.
The device assigns the critical VLAN to the port as the PVID.
The 802.1X user and all subsequent 802.1X users on this port
can access only resources in the 802.1X critical VLAN.
A user in the 802.1X critical VLAN fails
authentication because all the RADIUS
servers are unreachable.
The critical VLAN is still the PVID of the port, and all 802.1X
users on this port are in this VLAN.
A user in the 802.1X critical VLAN fails
authentication for any other reasons except
for unreachable servers.
If an 802.1X Auth-Fail VLAN is configured, the PVID of the
port changes to the Auth-Fail VLAN ID. All 802.1X users on
this port are moved to the Auth-Fail VLAN.
If no 802.1X Auth-Fail VLAN is configured, the initial PVID of
the port is restored.
A user in the 802.1X critical VLAN passes
802.1X authentication.
•
The device assigns the authorization VLAN of the user
to the port as the PVID, and it removes the port from the
802.1X critical VLAN. After the user logs off, the guest
VLAN ID changes to the PVID. If no 802.1X guest VLAN
is configured, the initial PVID of the port is restored.
•
If the authentication server (either the local access device
or a RADIUS server) does not authorize a VLAN, the
initial PVID of the port applies. The user and all
subsequent 802.1X users are assigned to this port
VLAN. After the user logs off, the PVID remains
unchanged.
A user in the 802.1X guest VLAN fails
authentication because all the RADIUS
servers are unreachable.
The device assigns the 802.1X critical VLAN to the port as the
PVID, and all 802.1X users on this port are in this VLAN.
A user in the 802.1X Auth-Fail VLAN fails
authentication because all the RADIUS
servers are unreachable.
The PVID of the port remains unchanged. All 802.1X users on
this port can access only resources in the 802.1X Auth-Fail
VLAN.
A user who has passed authentication fails
reauthentication because all the RADIUS
servers are unreachable, and the user is
logged out of the device.
The device assigns the 802.1X critical VLAN to the port as the
PVID.
•
On a port that performs MAC-based access control:
Authentication status
VLAN manipulation
A user that has not been assigned to any VLAN
fails 802.1X authentication because all the
RADIUS servers are unreachable.
The device maps the MAC address of the user to the
802.1X critical VLAN. The user can access only resources
in the 802.1X critical VLAN.
A user in the 802.1X critical VLAN fails
authentication because all the RADIUS servers
are unreachable.
The user is still in the critical VLAN.
A user in the 802.1X critical VLAN fails 802.1X
authentication for any other reasons except for
unreachable servers.
If an 802.1X Auth-Fail VLAN is configured, the device
remaps the MAC address of the user to the Auth-Fail
VLAN ID.
If no 802.1X Auth-Fail VLAN has been configured, the
device remaps the MAC address of the user to the initial