accounting bug in Mikrotik

[tnt at kalik.net]

>   I am working with freeradius and mikrotik gateway for a long time, but recently I detect in my PostgreSQL database, in radacct table some inconsistencies. First af all, I say that I have the standard configuration file (postgres.sql) for accounting queries.
>  My problem is sometimes the field acctstoptime is full when the user is connected. I can see the user in my hotspot as alive session. What is my problem? the issue is all interim update queries are rejected because the SQL update query does not find the folloing SQL WHERE:
>          AcctSessionId = '%{Acct-Session-Id}' AND UserName = '%{SQL-User-Name}' AND FramedIPAddress= '%{Framed-IP-Address}' AND AcctStopTime IS NULL
>because AcctStopTime = '<date>'
>

If you are using default configuration you should have detail file logs
as well. That log is created for each NAS daily by default (NAS
IP/detail-date). Check the detail file to see if accounting Stop packet
was received while the session was still alive. Accounting Stop packet
should be the only thing that inserts dates there.

Ivan Kalik
Kalik Informatika ISP