Hello, On 03/07/15 11:31, Kelvin Chua wrote: > using kamailio 4.3 on ubuntu server 14.04 > > i noticed tcp socket will be killed by kamailio after around 11 > minutes with or without tcp_keepalive=no. tcpdump shows that by > default (tcp_keepalive=yes) there is indeed keepalive packets going > back and forth. if set to no, there would be nothing in between. > > if i have clients who have registration timeout of 1700, they would > send re-registration around half of that, or around 14 minutes after > registration. then the socket would be long dead and they would be > unreachable for 3 minutes. > > based on procfs, ubuntu have settings for 9 probes with 75 seconds > interval so that means around 11 minutes of sending keepalives. so i > tried changing these values, on procfs. and tried playing around with > these kamailio cfg settings as well: > tcp_keepcnt > tcp_keepidle > tcp_keepintvl > > whatever i do, the interval between keepalives are always 2 minutes > and after 4-5 probes, kamailio will send a FIN to the client. i > checked the source code tcp_main.c and it looks alright. could this be > an ubuntu issue? anybody seen this before? > > I created a workaround by setting expire 900 for all registrations but > this is not ideal. > > I haven't noticed this issue on ubuntu. Have you tried on other type of OS (e.g., bare debian)?
Can you try setting it per connection using tcpops module? Cheers, Daniel -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Book: SIP Routing With Kamailio - http://www.asipto.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
