[SR-Users] multi netwotk interface kamailio stops processing packets in one of it's network interfaces although keeps processing in the others

Alex Balashov abalashov at evaristesys.com
Wed Sep 16 20:28:08 CEST 2020

Hi Nuno,

Insufficient child processes might lead to a slow-down of processing, 
but not a complete stall. It sounds like traffic coming in on one 
particular interface is leading to pathological database queries or API 
calls which do not occur for other traffic on other interfaces, perhaps?

-- Alex

On 9/16/20 2:18 PM, Nuno Miguel Reis wrote:
> Hello everyone.
> I've started to have an issue with a kamailio 4.4 instance listening on 
> multiple network interfaces where it stops processing SIP on one of it's 
> network interfaces but still continues to work fine on the others. If I 
> restart kamailio everything starts working fine again.
> I'm using the default 'children=8' and one of my guesses on why this 
> could be happening is that the number of childs processing couldn't be 
> enough. Do you remember anything else on an issue like this where I 
> should be looking?
> Thanks.
> --
> Nuno Miguel Reis
> Departamento de Engenharia Informática
> Faculdade de Ciências e Tecnologia
> Universidade de Coimbra
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Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
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