radius log issue

Hi, While examining a session without a stop record, we noticed something like this. Session start and interm-update are seen in the radacct files , but we could not find any record about this session in the radius log file (radius.log). What could be the reason for this? Regards -- Can Paçacı pacaci@servisnet.com.tr Servisnet A.Ş. Tel: 90 530 5450952