8-50
Configuring Port-Based and Client-Based Access Control (802.1X)
Displaying 802.1X Configuration, Statistics, and Counters
Viewing 802.1X Open VLAN Mode Status
You can examine the switch’s current VLAN status by using the show port-
access authenticator and show vlan < vlan-id > commands as illustrated in this
section. Figure 8-8 shows an example of show port-access authenticator output,
and table 8-3 describes the data that this command displays. Figure 8-9 shows
related VLAN data that can help you to see how the switch is using statically
configured VLANs to support 802.1X operation.
Figure 8-8. Example Showing Ports Configured for Open VLAN Mode
Thus, in the show port-access authenticator output:
■ When the Auth VLAN ID is configured and matches the Current VLAN ID
in the above command output, an authenticated client is connected
to the port. (This assumes the port is not a statically configured
member of the VLAN you are using for Auth VLAN.)
An Unauth VLAN ID appearing in the
Current VLAN ID column for the same port
indicates an unauthenticated client is
connected to this port.
(Assumes that the port is not a statically
configured member of VLAN 100.)
Items 1 through 3 indicate that an authenticated client is
connected to port B2:
1.Open in the Status column
2.Authorized in the Authenticator State column
3.The Auth VLAN ID (101) is also in the Current VLAN ID
column. (This assumes that the port is not a statically
configured member of VLAN 101.)
1
2
3
4
5
4.A “0” in the row for port B3 indicates there is no
Authorized VLAN configured for port B3.
5.“No PVID” means there is currently no untagged
VLAN membership on port B4.
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