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

Jurijs Ivolga jurijs.ivolga at gmail.com
Wed Feb 27 12:00:22 CET 2019


Hi,

I experienced something similar on Debian Stretch, nevertheless on Debian
Jessie it worked fine. We use TLS and I was thinking that it is something
to do with SSL libraries, but never had chance to find out. But maybe my
problem was nothing to do with what you just described.

Jurijs


On Wed, Feb 27, 2019 at 12:54 PM Kristijan Vrban <vrban.lkml at gmail.com>
wrote:

> 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
>
> _______________________________________________
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>
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