802.1X | 201
show dot1x interface 
c e s
Display the 802.1X configuration of an interface.
Syntax
show dot1x interface interface [mac-address mac-address]
Parameters
 
Defaults
No default values or behavior
Command Modes
EXEC
EXEC privilege
Command
History
Usage
Information
C-Series and S-Series only: Enter a supplicant’s MAC address using the mac-address option to 
display information only on the 802.1X-enabled port to which the supplicant is connected.
If 802.1X multi-supplicant authentication is enabled on a port, additional 802.1X configuration details 
(port authentication status, untagged VLAN ID, authentication PAE state, and backend state) are 
displayed for each supplicant as shown in Figure 8-4.
Example
Figure 8-2.  show dot1x interface Command Example 
interface
Enter one of the following keywords and slot/port or number information:
• For a Gigabit Ethernet interface, enter the keyword GigabitEthernet 
followed by the slot/port information.
• For a Fast Ethernet interface, enter the keyword FastEthernet followed by the 
slot/port information.
• For a Ten Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet followed by the slot/port information.
mac-address
(Optional) MAC address of a supplicant.
Version 8.4.2.1
Introduced 
mac-address option on the C-Series and S-Series
Version 7.6.1.0 Introduced on C-Series, E-Series, and S-Series
FTOS#show dot1x int Gi 2/32
802.1x information on Gi 2/32:
-----------------------------
Dot1x Status:        Enable
Port Control:        AUTO
Port Auth Status:    UNAUTHORIZED
Re-Authentication:   Disable
Untagged VLAN id:    None
Guest VLAN:          Enable
Guest VLAN id:       10
Auth-Fail VLAN:      Enable
Auth-Fail VLAN id:   11
Auth-Fail Max-Attempts: 3
Tx Period:           30 seconds
Quiet Period:        60 seconds
ReAuth Max:          2
Supplicant Timeout:  30 seconds
Server Timeout:      30 seconds
Re-Auth Interval:    3600 seconds
Max-EAP-Req:         2
Auth Type:           SINGLE_HOST
Auth PAE State:      Initialize
Backend State:       Initialize
FTOS#