© Copyright IBM Corp. 2011 Chapter 6. 802.1X Port-Based Network Access Control 75
EAPoL Port States
The state of the port determines whether the client is granted access to the network,
as follows:
•
Unauthorized
While in this state the port discards all ingress and egress traffic except EAP
packets.
•
Authorized
When the client is successfully authenticated, the port transitions to the
authorized state allowing all traffic to and from the client to flow normally.
•
Force Unauthorized
You can configure this state that denies all access to the port.
•
Force Authorized
You can configure this state that allows full access to the port.
Use the 802.1X global configuration commands (
dot1x
) to configure 802.1X
authentication for all ports in the switch. Use the 802.1X port commands to
configure a single port.
Guest VLAN
The guest VLAN provides limited access to unauthenticated ports. The guest VLAN
can be configured using the following commands:
Client ports that have not received an EAPOL response are placed into the Guest
VLAN, if one is configured on the switch. Once the port is authenticated, it is moved
from the Guest VLAN to its configured VLAN.
When Guest VLAN enabled, the following considerations apply while a port is in the
unauthenticated state:
•
The port is placed in the guest VLAN.
•
The Port VLAN ID (PVID) is changed to the Guest VLAN ID.
•
Port tagging is disabled on the port.
RS G8000(config)# dot1x guest-vlan ?
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