Usually TCP ZeroWindow means, that the TCP receive buffer is full, which usually means that Kamailio stopped reading from the TCP socket.
I never had this problem yet. You could start grepping the code for this error message to find out what happened. regards klaus Gawith schrieb: > There's not that much traffic. Perhaps 200 TCP packets per second. > Kamailio starts with the ZeroWindow. > > I also see single "core:handle_io: empty fd map" in the logs and after > that Kamailio sends a TCP RST packet. > > I have no clue how to debug this. > > > > Klaus Darilion schrieb: >> Do you have heavy traffic? >> >> Who is announcing ZeroWindow? Kamailio or the peer? >> >> regards >> klaus >> >> Gawith schrieb: >>> Hi, >>> >>> I see enormous TCP problems on my systems. >>> All of a sudden, a perfectly working TCP session uses ZeroWindow >>> packets, later I see TCP Full Window packets and finally the peer resets >>> the connection. >>> In the logs I see a lot of "core:handle_io: empty fd map" messages. >>> >>> Has anyone experienced similar problems? >>> >>> Regards. >>> >>> _______________________________________________ >>> Kamailio (OpenSER) - Users mailing list >>> Users@lists.kamailio.org >>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users >>> http://lists.openser-project.org/cgi-bin/mailman/listinfo/users > > _______________________________________________ > Kamailio (OpenSER) - Users mailing list > Users@lists.kamailio.org > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users > http://lists.openser-project.org/cgi-bin/mailman/listinfo/users _______________________________________________ Kamailio (OpenSER) - Users mailing list Users@lists.kamailio.org http://lists.kamailio.org/cgi-bin/mailman/listinfo/users http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
