Chapter 5: Switching Commands 425
show dot1x
authentication-
history
This command displays 802.1X authentication events and information during
successful and unsuccessful Dot1x authentication process for all interfaces or the
specified interface. Use the optional keywords to display only failure
authentication events in summary or in detail.
EAP Request Frames
Transmitted
The number of EAP request frames (other than
request/identity frames) that have been transmitted
by this authenticator.
Invalid EAPOL
Frames Received
The number of EAPOL frames that have been
received by this authenticator in which the frame
type is not recognized.
EAP Length Error
Frames Received
The number of EAPOL frames that have been
received by this authenticator in which the frame
type is not recognized.
Term Definition
Format
show dot1x authentication-history {slot/port | all}
[failed-auth-only] [detail]
Mode Privileged EXEC
Term Definition
Time Stamp The exact time at which the event occurs.
Interface Physical Port on which the event occurs.
Mac-Address The supplicant/client MAC address.
VLAN assigned The VLAN assigned to the client/port on authentication.
VLAN assigned
Reason
The type of VLAN ID assigned, which can be Guest VLAN, Unauth, Default, RADIUS Assigned,
or Montior Mode VLAN ID.
Auth Status The authentication status.
Reason The actual reason behind the successful or failed authentication.
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