[SR-Users] Kamailio stop to process incoming SIP traffic via TCP.

[Kristijan Vrban]

first of all thanks for the feedback. i prepared our system now to run
with debug=3
I hope to see more then then.

Am Mi., 27. Feb. 2019 um 11:53 Uhr schrieb Kristijan Vrban
<vrban.lkml at gmail.com>:
>
> Hi kamailios,
>
> i have a creepy situation with v5.2.1 stable Kamilio. After a day or
> so, Kamailio stop to process incoming SIP traffic via TCP. The
> incoming TCP network packages get TCP-ACK from the OS (Debian 9,
> 4.18.0-15-generic-Linux) but Kamailio does not show any processing for
> the SIP-Traffic incoming via TCP. No logs, nothing. While traffic via
> UDP is working just totally fine.
>
> When i look via command "netstat -ntp" is see, that the Recv-Q get
> bigger and bigger. e.g.:
>
> Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program
> name tcp 4566 0 172.17.217.12:5060 xxx.xxx.xxx.xxx:57252 ESTABLISHED
> 31347/kamailio
>
> After Kamailio restart, all is working fine again for a day. We have
> maybe 10-20 devices online via TCP and low call volume (1-2 call per
> minute). The only settings for tcp we have is "tcp_delayed_ack=no"
>
> How to could we debug this situation? Again, no error, no warings in
> the log. Just nothing.
>
> Kristijan