[Kamailio-Users] lifetime and TCP connection timeout

Klaus Darilion klaus.mailinglists at pernau.at
Fri Oct 23 20:36:18 CEST 2009



Aymeric Moizard schrieb:
> 
> Some additionnal information:
> 
> I tried several value for tcp_connection_lifetime!
> 
> tcp_connection_lifetime = 120  -> close TCP conn after 50 seconds
> tcp_connection_lifetime = 300  -> close TCP conn after 90 seconds
> tcp_connection_lifetime = 600  -> close TCP conn after 160 seconds
> 
> Do I have "tick" issue? Any idea?

Are you using a non-standard OS? kernel? hardware?

Is the clock running correct on your OS?

> I think I'm close to find either a bug or an issue with my kernel?
> 
> I got a timer running a route[] for statistics computation, in
> case that would change something?

Is the timer route executed correctly or is it also called too often?

klaus

> I'm using rtimer module: could this have an impact?
> 
> Aymeric MOIZARD / ANTISIP
> amsip - http://www.antisip.com
> osip2 - http://www.osip.org
> eXosip2 - http://savannah.nongnu.org/projects/exosip/
> 
> 
> On Fri, 23 Oct 2009, Klaus Darilion wrote:
> 
>> Hi Aymeric!
>>
>> Kamailio does not support SIP outbound. It should close TCP connection 
>> after the timeout. The timeout can be specified with 
>> http://www.kamailio.org/dokuwiki/doku.php/core-cookbook:1.5.x#tcp_connection_lifetime 
>>
>>
>> So, do I get it right that this does not work (TCP connection closed 
>> after 50 seconds by Kamailio although the default value is 120 seconds)?
>>
>> (For outbound support probably the default value should be increased).
>>
>> Further, usually the lifetime should be extended to the value of the 
>> registration expiration. This can be done by using
>> http://www.kamailio.org/docs/modules/1.5.x/registrar.html#id2477171
>>
>> regards
>> klaus
>>
>> Aymeric Moizard schrieb:
>>>
>>>
>>> On Fri, 23 Oct 2009, Iñaki Baz Castillo wrote:
>>>
>>>> El Viernes, 23 de Octubre de 2009, Aymeric Moizard escribió:
>>>>> Hi all,
>>>>>
>>>>> I'm working on improving my TCP support and go some issue
>>>>> related to TCP connections and lifetime/persistence.
>>>>
>>>> Are you doing that in Kamailio's TM module?
>>>> Please take into account that for Kamailio next version SIP-Router 
>>>> TM module
>>>> will be used, which has received LOT of love for TCP (i.e: non 
>>>> blocking).
>>>
>>> Sorry that I missed to put the version of kamailio: I'm using branch 1.5
>>> svnversion gives 5868M
>>> ChangeLog last line is:
>>> ===================== 2009-04-29 Kamailio v1.5.1 released 
>>> =====================
>>>
>>> Seems like you are misunderstooding me: I'm working on my SIP stacks 
>>> against kamailio with no change. I'm not working "on" the tm module.
>>>
>>> Tks,
>>> Aymeric MOIZARD / ANTISIP
>>> amsip - http://www.antisip.com
>>> osip2 - http://www.osip.org
>>> eXosip2 - http://savannah.nongnu.org/projects/exosip/
>>>
>>>
>>>> -- 
>>>> Iñaki Baz Castillo <ibc at aliax.net>
>>>>
>>>> _______________________________________________
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>>>>
>>>
>>> ------------------------------------------------------------------------
>>>
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>>



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