On 7.9.2024. 20:24, Alan DeKok wrote:
The SQL database is slow. Fix the database.
No amount of poking FreeRADIUS will fix the database.
Alan DeKok.
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While Alan rightly noted that the issue is likely due to a slow database, there’s also a chance that the NAS may be sending duplicate packets. I saw this firsthand at my previous job, where we had a Cisco ASR 9K series that sent three authorization packets in rapid succession—each less than a millisecond apart and with the same hash. This was clearly a bug in Cisco IOS, but the result was a log entry saying 'Error: Discarding duplicate request from client...'. If possible, try running |tcpdump| to capture traffic during these errors. This should help reveal if the same issue is occurring in your setup. The most precise method would be to capture all packets on the switch connected to the NAS or on the firewall if the RADIUS server and NAS communicate through one. Good luck!