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Troubleshooting Authentication

This topic describes how you get detailed diagnostic information by enabling tracing of authentication operations on the EX Series switch and on the Windows 7 supplicant.

Aruba ClearPass Policy Manager provides additional detailed diagnostic information. See your Aruba ClearPass documentation for more information.

This topic covers:

Enabling 802.1X Trace Options on EX Series Switches

You can enable trace options for the 802.1X protocol. The following set of commands enable the writing of trace logs to a file named do1x-log:

Use the show log CLI command to display the contents of the trace log file. For example:

Performing 802.1X Diagnostics on the Windows 7 Supplicant

To perform 802.1X authentication diagnostics on the Windows 7 supplicant:

  1. Start authentication tracing with the netsh command.

  2. Attempt authentication with the switch.

  3. Disable authentication tracing.

  4. Review the detailed log files under the following directory: C:\windows\tracing.

Refer to the Windows 7 documentation for more detailed information about the diagnostic capabilities of the Windows 802.1X supplicant.