Disconnect idle user

[Yevgeny Kosarzhevsky]

Alan DeKok wrote:
> Yevgeny Kosarzhevsky wrote:
>    
>> How to make radius stop thinking the user is connected (like if no
>> Acct-Interim-Update messages received in specified time).
>>      
>    Store the sessions in a database, and run a "cron" job to clean up
> stale sessions.
>
>    
Ok and how can I send request to NAS to disconnect client? I tried 
raddb/sites-available/coa but cannot make it to send packets to 
appropriate NAS.