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OPT_KEEPALIVE Broken in RTCS 4.2?  Causing idle connection to RST in RTSC 4.2, but not 4.1

Question asked by pmt on Oct 30, 2015
Latest reply on Feb 2, 2016 by Carlos_Musich



When I recently updated to RTCS (and RTCS  I have the OPT_KEEPALIVE property enabled on one of my "control" sockets that I am using for a home brew FTP server.


In RTCS 4.1, no issues, seems to work as intended.


In RTCS 4.2, when the control socket connection sits idle for a few minutes the server side (MQX/RTCS) the first KEEPALIVE sent ends up resetting the socket connection.  KEEPALIVE should not do this unless the remote side is gone.   Two keep alive probes from RTCS (ID=80 and 81), one keepalive response from the host , then RTCS resets the connection.



Any clues?!?!