[SR-Users] Problem with REGISTER retransmissions

[Daniel-Constantin Mierla]

Hello,

On 9/21/11 2:14 PM, Alejandro Mingo wrote:
> Thanks. I installed version 3.1.4 with a CentOS 5.5 package, but i 
> cannot find the 3.1.5. one.
3.1.5 rpms should be available now.

>
> I've inserted the code you gave me in the config file and version 
> 3.1.4 returns value 1 (instead of 2).

Interesting, can you do kamctl ul show __userid__ before and after the 
the registration update with retransmission happens and send the output 
here?

Cheers,
Daniel

>
> Cheers,
> Alejandro.
>
>
>
> El 21/09/2011 12:38, Daniel-Constantin Mierla escribió:
>> Hello,
>>
>> I tried to reproduce with a very simple config to handle register 
>> requests. So I sent a REGISTER with expires 60 (very much the same as 
>> the one in the trace you sent), waited a while, then sent two 
>> REGISTERs having the CSeq incremented. All went fine.
>>
>> I tested with master and 3.1 branches (so the last is actually 
>> 3.1.5). Can you upgrade to 3.1.5 first and try again? If still fails, 
>> then update config to print the return code for save() function, 
>> something like:
>>
>> $var(r) = save("location");
>> xlog("code returned by save is $var(r)\n");
>> if($var(r) < 0)
>>       send_reply("500", "Failure");
>>
>> Let me know the value of the returned code for the register that does 
>> not have a contact in reply.
>>
>> Cheers,
>> Daniel
>>
>> On 9/20/11 2:10 PM, Alejandro Mingo wrote:
>>>
>>> Hi Daniel-Constantin,
>>>
>>>  I send you the PCAP and LOG files corresponding to one of these 
>>> situations. As you can see in the LOG file, one thread (5444) 
>>> handles the first REGISTER, other thread (5447) handles the second 
>>> REGISTER (retransmission) and a third thread (5451) indicates that 
>>> the binding has expired, six seconds after the arrival of both 
>>> REGISTERs.
>>>
>>>  Thanks again.
>>>
>>>   Alejandro.
>>>
>>>
>>>
>>> El 20/09/2011 10:54, Daniel-Constantin Mierla escribió:
>>>> Hello,
>>>>
>>>> On 9/20/11 10:13 AM, Alejandro Mingo wrote:
>>>>> Hi,
>>>>>
>>>>>  Since we installed last version of Kamailio (3.1.4)
>>>>
>>>> the last version is now 3.1.5, but this is not really the most 
>>>> important aspect. However, it is recommended to upgrade, there were 
>>>> some fixed to registration handling when register requests have 
>>>> multiple contacts.
>>>>> we have been experiencing a big problem with REGISTER 
>>>>> retransmissions. When the server receives a retransmitted REGISTER 
>>>>> it removes the binding and the UAC remains unregistered until next 
>>>>> refreshing period. I include a PCAP capture that shows this 
>>>>> behaviour.
>>>>>
>>>>> I am not 100% sure that this problem never happened with older 
>>>>> versions.
>>>>>
>>>>> Has anybody experienced the same problem?
>>>> I will try to reproduce and investigate myself. Anyhow, meanwhile 
>>>> maybe you can provide more hints faster. Do you have error messages 
>>>> in the syslog? Can you run with debug=4 in config file and send the 
>>>> output in syslog for such a case?
>>
>> -- 
>> Daniel-Constantin Mierla --http://www.asipto.com
>> Kamailio Advanced Training, Oct 10-13, Berlin:http://asipto.com/u/kat
>> http://linkedin.com/in/miconda  -- http://twitter.com/miconda
>> ------------------------------------------------------------------------
>>
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>
>
> -- 
>
>
>
>
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-- 
Daniel-Constantin Mierla -- http://www.asipto.com
Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
http://linkedin.com/in/miconda -- http://twitter.com/miconda

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