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Due to the session table aging time is too short lead to internal network QQ frequent got disconnected

Publication Date:  2012-10-25 Views:  107 Downloads:  0
Issue Description
A site, USG5360 is deployed in network exports, after completed the deployment the internal network user feedback QQ frequent got disconnected, the frequency is stable for 3 minutes got disconnected once, but accessing the web pages did not appear this phenomenon.
Alarm Information
Handling Process
1, considering the web page can be normal accessed, and does not appear got disconnected, the routing should be no problem, through the ping packages to see whether there is a packet loss phenomenon, after a long time ping, found there is no packet loss, fault should not be the link reasons;
2, considering the QQ got disconnected disciplinary, it may be session aging time too short, the QQ session aging time is 30, modify this value to 120, after three hours observation, did not appear QQ dropped phenomenon.
Root Cause
1, link reasons;
2, session aging time.