Switching Commands
88
M4100 Series ProSAFE Managed Switches
dot1x system-auth-control monitor
Use this command to enable the 802.1X monitor mode on the switch. The purpose of Monitor
mode is to help troubleshoot port-based authentication configuration issues without
disrupting network access for hosts connected to the switch. In Monitor mode, a host is
granted network access to an 802.1X-enabled port even if it fails the authentication process.
The results of the process are logged for diagnostic purposes.
no dot1x system-auth-control monitor
Use this command to disable the 802.1X monitor on the switch.
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.
Format dot1x system-auth-control monitor
Mode Global Config
Default Disabled
Format no dot1x system-auth-control monitor
Mode Global Config
Format show dot1x authentication-history {slot/port | all}
[failedauth-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 Monitor Mode VLAN ID.
Auth Status The authentication status.
Reason The actual reason behind the successful or failed authentication.
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