You can use the diagnostic tool to evaluate the configuration of a network device and identify any configuration problems.
The Expert Troubleshooter compares the configuration of the device with the standard configuration. The image below shows the Evaluate Configuration Validator options.

| Step 1 |
| Go to Operations >
Troubleshoot > Diagnostic Tools > Evaluate Configuration
Validator. |
| Step 2 |
| Enter the Network
Device IP address of the device whose configuration you want to
evaluate, and specify other options as necessary. |
| Step 3 |
| Select configuration
options to compare against the recommended template. A green check
mark means the option is selected. Click the option again to
deselect. Choose from the following: |
| Step 4 |
| Web
Authentication-Select this check box to compare the Web
Authentication configuration for the device with the standard
configuration. |
| Step 5 |
| Profiler
Configuration-Select this check box to compare the Profiler
configuration for the device with the standard configuration. |
| Step 6 |
| CTS-Select this check
box if you want to compare Security Group Access configuration for
the device with the standard configuration. |
| Step 7 |
| 802.1X-Select this
check box if you want to compare the 802.1X configuration for the
device with the standard configuration. Then choose one of the
following options: |
| Step 8 |
| Open Authentication
Mode |
| Step 9 |
| Low-Impact Mode (Open
Mode + ACL) |
| Step 10 |
| High Security Mode
(Closed Mode) |
| Step 11 |
| Click Run. The
Progress Details page appears, prompting you for additional
input. |
| Step 12 |
| Click User Input
Required, and modify the fields as necessary. A new window appears,
prompting you to select the interfaces for the configuration
analysis. |
| Step 13 |
| Check the check boxes
next to the interfaces that you want to analyze, and click Submit.
The Progress Details page is displayed again. |
| Step 14 |
| Click Show Results
Summary. |