[SR-Users] TCP connection select problem
张顺通
shuntongzhang at gmail.com
Wed Mar 23 15:06:52 CET 2016
have a nice trip, :).
2016-03-23 19:23 GMT+08:00 Daniel-Constantin Mierla <miconda at gmail.com>:
> Had to go in a trip -- will look at it when I get the first chance.
>
> Daniel
>
>
> On 23/03/16 11:53, 张顺通 wrote:
>
> Have provided Callid, thanks.
>
> register callid
> 2bbadd72-d733-434e-bd06-45d9ddb5289b
> a7fa5d8f-1e46-4605-9a6e-08751bc75fee
>
> call
> 626fec11-684b-1234-d0b9-ecf4bbde9ef8
>
> 2016-03-21 18:34 GMT+08:00 张顺通 <shuntongzhang at gmail.com>:
>
>> Have provided Callid, thanks.
>>
>> register callid
>> 2bbadd72-d733-434e-bd06-45d9ddb5289b
>> a7fa5d8f-1e46-4605-9a6e-08751bc75fee
>>
>> call
>> 626fec11-684b-1234-d0b9-ecf4bbde9ef8
>>
>> 2016-03-21 16:45 GMT+08:00 Daniel-Constantin Mierla < <miconda at gmail.com>
>> miconda at gmail.com>:
>>
>>> Quickly looked at the file and I see several calls there. All of them
>>> are exposing the issue? Or can you give the call-id of the call that didn't
>>> work fine? I don't want to lose time looking at all the calls, knowing one
>>> that is wrong is enough...
>>>
>>> Cheers,
>>> Daniel
>>>
>>>
>>> On 21/03/16 03:50, 张顺通 wrote:
>>>
>>> I Send you pcap Separatly.
>>>
>>> Sorry, can't send pcap to mail list.
>>>
>>> Thanks
>>>
>>> 2016-03-15 16:08 GMT+08:00 Daniel-Constantin Mierla <
>>> <miconda at gmail.com>miconda at gmail.com>:
>>>
>>>> Can you attach a pcap with such situation, which includes the REGISTER,
>>>> replies and the call showing the issue?
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>>
>>>> On 15/03/16 03:36, 张顺通 wrote:
>>>>
>>>> sorry，I have not expressed clearly.
>>>>
>>>> kamailio will recive two REGISTER at a time.In first 200 OK to
>>>> REGISTER, Server will tell Linphone the Linphone Nat Ip and Port.
>>>> like this:
>>>> Via:SIP/2.0/TCP 30.9.2.1:50691
>>>> ;received=42.1.7.1;alias;branch=z9hG4bK.kmhC2L9Rf;rport=33746
>>>> and Linphone will know it's outside nat Ip and port, Linphone while use
>>>> this Ip and Port in second REGISTER.
>>>> like this:
>>>> REGSITER
>>>> Contact:<sip: 42.1.7.1:33746;transport=tcp>
>>>>
>>>> So kamailio server know Linphone's nated ip and port and save in
>>>> DB(contact field).
>>>>
>>>>
>>>> my question is KA_EDGE receive sip from KA_REGISTER already have right
>>>> nat ip and port like
>>>> INVITE 123456 at 42.1.7.1:33746;transport=tcp SIP/2.0
>>>> but KA_EDGE do not send this sip msg to 42.1.7.1:33746, it send to
>>>> another nat ip and port(other Linphone's ip and port behind same NAT layer)
>>>>
>>>>
>>>> 2016-03-14 21:42 GMT+08:00 Daniel-Constantin Mierla <
>>>> <miconda at gmail.com>miconda at gmail.com>:
>>>>
>>>>> Indeed, the ports are different, that's why adding received is
>>>>> important in this situation.
>>>>>
>>>>> While local ip and local port are in most of the cases also unique for
>>>>> devices behind a nat router, it is not 100% true, because there can be many
>>>>> layers of NATs, which can result in seeing same local ip/port for devices.
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>>
>>>>>
>>>>> On 14/03/16 13:06, 张顺通 wrote:
>>>>>
>>>>> source IP is same, But port is different。
>>>>> like INVITE sip:Linphone_nat_Ip:Linphone_nat_port;tcp;
>>>>>
>>>>>
>>>>> 2016-03-14 18:26 GMT+08:00 Daniel-Constantin Mierla <
>>>>> <miconda at gmail.com>miconda at gmail.com>:
>>>>>
>>>>>> Adding received information to Path helps to identify properly the
>>>>>> connection to be used. Because both devices are behind the same NAT,
>>>>>> practically they show the same source IP when they send traffic to server.
>>>>>>
>>>>>> Cheers,
>>>>>> Daniel
>>>>>>
>>>>>>
>>>>>> On 14/03/16 04:05, 张顺通 wrote:
>>>>>>
>>>>>> KA_EDGE have two IP，external public IP and internal IP.
>>>>>> I add modparam("path", "use_received", 1) and replace add_path()
>>>>>> to add_path_received() in edge server.
>>>>>> add modparam("registrar", "path_use_received", 1) in KA_REGISTER
>>>>>> server.
>>>>>>
>>>>>> DB path info <sip:aD15fXXXXXXXXXXXXeEpfqRY=@10.10.10.11;lr;ob>
>>>>>> --> <sip:10.10.10.11;lr;received=
>>>>>> sip:42.129.1.1:43640%3Btransport%3Dtcp>
>>>>>>
>>>>>> This kind of situation very little，It is not easy to reappear.
>>>>>> Can you tell me why this situation happen? and Why this change can
>>>>>> solve the problem?
>>>>>>
>>>>>> Thanks for Your Time.
>>>>>>
>>>>>>
>>>>>>
>>>>>> 2016-03-09 22:37 GMT+08:00 Daniel Tryba < <d.tryba at pocos.nl>
>>>>>> d.tryba at pocos.nl>:
>>>>>>
>>>>>>> On Wed, Mar 09, 2016 at 10:05:11PM +0800, 张顺通 wrote:
>>>>>>> > Yes，Use Path in DB. like <sip:XXxXXXXXXXXXX/ogxZg=@10.10.232.29
>>>>>>> ;lr;ob>
>>>>>>> > KA_REGISTER wile the path info in DB.
>>>>>>>
>>>>>>> Should not be a problem if you use the use_received options in
>>>>>>> <http://kamailio.org/docs/modules/stable/modules/path.html#idp135216>
>>>>>>> http://kamailio.org/docs/modules/stable/modules/path.html#idp135216
>>>>>>> and
>>>>>>>
>>>>>>> <http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.path_use_received>
>>>>>>> http://kamailio.org/docs/modules/stable/modules/registrar.html#registrar.p.path_use_received
>>>>>>>
>>>>>>> (and actually add the source as received on the kamailio edge
>>>>>>> server).
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>>>>>>> list
>>>>>>> <sr-users at lists.sip-router.org>sr-users at lists.sip-router.org
>>>>>>> <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>
>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>>>> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
>>>>>> list
>>>>>> <sr-users at lists.sip-router.org>sr-users at lists.sip-router.org
>>>>>> <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users>
>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>>> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>>>>>
>>>>>
>>>>
>>>> --
>>>> Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>>> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>>>>
>>>>
>>>
>>> --
>>> Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>>> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>>>
>>>
>>
>
> --
> Daniel-Constantin Mierlahttp://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com
>
>
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