Description | This article describes the steps to troubleshoot issues encountered with the CVC600 device. |
Scope | FortiAP-U. |
Solution |
The Compact Vehicle Controller (CVC), designed to monitor vehicle status, supports WLAN communication. This device enables the transmission of vehicle status information to a remote server wirelessly.
CVC600 devices are experiencing difficulty connecting to the SSID broadcasted by FortiAP-U-223EV models, although they can connect without issue to other FortiAP models.
If such issues are reported, collect OTA captures using the following guide: Technical Tip: How to sniff wireless packets with a Mac system.
After capturing, check for Association Response packets from the AP that indicate 'Association denied because the requesting STA does not support the short preamble', as shown below:
If the captures match the above, collect another set of OTA captures along with the klog from the FortiAP, as well as a backup from the FortiGate, and submit a ticket to the Fortinet Technical Support Team.
FAP# fap-tech |
The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.
Copyright 2025 Fortinet, Inc. All Rights Reserved.