NOTE: FortiNAC is now named FortiNAC-F. For post-9.4 articles, see FortiNAC-F. FortiNAC is a zero-trust network access solution that provides users with enhanced visibility into the Internet of Things (IoT) devices on their enterprise networks.
Description This article provides basic steps to troubleshoot L2 or L3 Poll Failure events.
Solution Check the following: 1. Is the device red in Topology? If so, Contact Status Polling is failing (NAC can't ping the device). This is most likely a network related issue. 2. If Contact Status Polling is successful, click the Credentials tab in Model Configuration and click the Validate Credentials button.
3. Proceed based upon the credential test outcome...
Refer to the related KB articles below.
Credentials are successful
Further debugging may be required. Contact Support for assistance.
Open a support ticket and provide the following information:
Screen capture of the device's Element tab in Network Devices > Topology
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