[SR-Users] topos module - possible bug

Thu Apr 27 13:11:53 CEST 2017

Hi Daniel

Is there anything else you need on this?

On 26 April 2017 at 15:06, Pete Kelly <pkelly at gmail.com> wrote:

> Hi Daniel
>
> It's CSeq 1, fromtag A1
>
> DB attached
>
> On 26 April 2017 at 15:03, Daniel-Constantin Mierla <miconda at gmail.com>
> wrote:
>
>> Can you paste here the from tag or cseq for the dialog you are referring
>> to? Because the number of frames are not matching my pcap viewer.
>>
>> Send also the db dump, they should reveal if something is broken there.
>>
>> Cheers,
>> Daniel
>>
>> On 26.04.17 14:46, Pete Kelly wrote:
>>
>> Ah I see why it is confusing
>>
>> This setup maintains a Call-ID through an SBC downstream, so the INVITE's
>> you see have the same Call-ID but they have a different fromtag/cseq,
>> Wireshark shows them all as one call which is annoying when looking at the
>> viewer!
>>
>> If you check the first call only between 252.70 and 252.75 you will see
>> INVITE (frame 4), 200OK (frame 16) with lots of RR headers.
>>
>> The ACK generated by topos (frame 21) only contains 1 Route header, it
>> should contain more so the request can hop through the proxy chain as shown
>> in frame 16.
>>
>> I see the example from Sergey is working, but there is only 1 RR header
>> in this example - as you can see from my example the topos module uses the
>> first RR header but ignores the other 5.
>>
>> I have the DB dump and logfiles from this call too if useful.
>>
>> Pete
>>
>>
>> On 26 April 2017 at 12:41, Daniel-Constantin Mierla <miconda at gmail.com>
>> wrote:
>>
>>> As I could notice upon a quick look, there seems to be two calls -- two
>>> INVITE requests having same call id but different cseq. Can you confirm
>>> this is the case? Because the capture doesn't seem to have all the
>>> incoming/outgoing messages, some are missing.
>>>
>>> Cheers,
>>> Daniel
>>>
>>> On 26.04.17 12:59, Sergey Basov wrote:
>>> > You give to us very hard callflow...
>>> >
>>> > Without any pauses between responces..
>>> >
>>> > Some requests go through 127.0.0.1... But responces from 127.0.0.1 not
>>> present.
>>> >
>>> > There are peers from which invites not present in dump. I can not see
>>> > ful path of the initial Invite, but there is responses.
>>> >
>>> > I will send dump in next email directly.
>>> > --
>>> > Best regards,
>>> > Sergey Basov                     e-mail: sergey.v.basov at gmail.com
>>> >
>>> >
>>> > 2017-04-26 11:01 GMT+03:00 Pete Kelly <pkelly at gmail.com>:
>>> >> Attached is the pcap from latest nightly.
>>> >>
>>> >> As you can see (frame 21) the ACK is incorrect, I believe it should
>>> specify
>>> >> all the hops from the 200OK (frame 16) so that the hop by hop ACK can
>>> be
>>> >> routed via the proxy chain.
>>> >>
>>> >> topoh module works fine.
>>> >>
>>> >> Pete
>>> >>
>>> >> On 26 April 2017 at 05:18, Sergey Basov <sergey.v.basov at gmail.com>
>>> wrote:
>>> >>> I dont know how nightly builds are done.
>>> >>>
>>> >>> Just try with latest 5.0.1 nightly and send new dump.
>>> >>>
>>> >>> As I understud topos module done to remove record-route headers to
>>> hide
>>> >>> topology...  Am I wright,  Daniel?
>>> >>>
>>> >>> And try to disable topos module and enable topoh module. Will it all
>>> work
>>> >>> as you expecrs?
>>> >>>
>>> >>> --
>>> >>> WBR
>>> >>> Sergey Basov
>>> >>>
>>> >>> 25 апр. 2017 г. 11:31 PM пользователь "Pete Kelly" <pkelly at gmail.com
>>> >
>>> >>> написал:
>>> >>>
>>> >>>> I have tried with 5.0.1 from today (25th April).
>>> >>>>
>>> >>>> Are you saying build for 26th will have some fixes?
>>> >>>>
>>> >>>> On 25 April 2017 at 18:59, Sergey Basov <sergey.v.basov at gmail.com>
>>> wrote:
>>> >>>>> Actualy latest fixes to 180/183/200,  ACK and memory leak was
>>> pushed to
>>> >>>>> 5.0 and master branch.
>>> >>>>>
>>> >>>>> So, please try with latest 5.0.1 nightly.
>>> >>>>>
>>> >>>>> --
>>> >>>>> WBR
>>> >>>>> Sergey Basov
>>> >>>>>
>>> >>>>> 25 апр. 2017 г. 8:55 PM пользователь "Pete Kelly" <
>>> pkelly at gmail.com>
>>> >>>>> написал:
>>> >>>>>
>>> >>>>>> Call is with sipp but first goes through another SBC to clean up
>>> the
>>> >>>>>> SIP (in case of problems with sipp via headers etc).
>>> >>>>>>
>>> >>>>>> The traces I've done are actually with 4.4.
>>> >>>>>>
>>> >>>>>> Will they be OK or would you prefer 5.0.1? The problem is exactly
>>> the
>>> >>>>>> same on both.
>>> >>>>>>
>>> >>>>>> On 25 April 2017 at 16:25, Sergey Basov <sergey.v.basov at gmail.com
>>> >
>>> >>>>>> wrote:
>>> >>>>>>> Hi.
>>> >>>>>>>
>>> >>>>>>> Can you send dump of the call with kamailio 5.0.1 nightly?
>>> >>>>>>>
>>> >>>>>>> And does you make call using sipp?
>>> >>>>>>>
>>> >>>>>>> --
>>> >>>>>>> WBR
>>> >>>>>>> Sergey Basov
>>> >>>>>>>
>>> >>>>>>> 25 апр. 2017 г. 5:57 PM пользователь "Pete Kelly" <
>>> pkelly at gmail.com>
>>> >>>>>>> написал:
>>> >>>>>>>> Looks like from last night:
>>> >>>>>>>>
>>> >>>>>>>> 5.0.1+0~20170425013247.36+trusty
>>> >>>>>>>>
>>> >>>>>>>> On 25 April 2017 at 15:42, Daniel-Constantin Mierla
>>> >>>>>>>> <miconda at gmail.com> wrote:
>>> >>>>>>>>> Hello,
>>> >>>>>>>>>
>>> >>>>>>>>> to be sure, it is 5.0.1 build from last night or quite recent?
>>> There
>>> >>>>>>>>> were some fixes in the past days to topos module.
>>> >>>>>>>>>
>>> >>>>>>>>> Cheers,
>>> >>>>>>>>> Daniel
>>> >>>>>>>>>
>>> >>>>>>>>>
>>> >>>>>>>>> On 25.04.17 15:59, Pete Kelly wrote:
>>> >>>>>>>>>
>>> >>>>>>>>> Hi Daniel
>>> >>>>>>>>>
>>> >>>>>>>>> Sorry for the delayed response to this, the ACK is for a 200OK
>>> yes
>>> >>>>>>>>> and the problem still persists in latest 4.4 and the 5.0.1
>>> nightly build.
>>> >>>>>>>>>
>>> >>>>>>>>> I have all DB entries/kam logs/pcap files.
>>> >>>>>>>>>
>>> >>>>>>>>> If you check the attached pcap, 192.168.70.70 and
>>> 192.168.252.70 are
>>> >>>>>>>>> the same instance of Kamailio, it is being used to bridge the
>>> 2 networks.
>>> >>>>>>>>>
>>> >>>>>>>>> Frame 34 shows the 200OK with lots of Record-Route etc, and
>>> frame 35
>>> >>>>>>>>> shows topos in action.
>>> >>>>>>>>>
>>> >>>>>>>>> However the ACK that is relayed in Frame 38 seems to be
>>> missing all
>>> >>>>>>>>> the Route information that was supplied in the 200OK, this
>>> causes the ACK to
>>> >>>>>>>>> be relayed directly to the Contact, breaking the proxy chain.
>>> >>>>>>>>>
>>> >>>>>>>>> Pete
>>> >>>>>>>>>
>>> >>>>>>>>> On 22 February 2017 at 18:31, Daniel-Constantin Mierla
>>> >>>>>>>>> <miconda at gmail.com> wrote:
>>> >>>>>>>>>> Hello,
>>> >>>>>>>>>>
>>> >>>>>>>>>> is the ACK for 200ok? Or an ack for a negative response?
>>> >>>>>>>>>>
>>> >>>>>>>>>> Can you get a pcap for such situation with all messages
>>> related to
>>> >>>>>>>>>> the call?
>>> >>>>>>>>>>
>>> >>>>>>>>>> Cheers,
>>> >>>>>>>>>> Daniel
>>> >>>>>>>>>>
>>> >>>>>>>>>>
>>> >>>>>>>>>> On 22/02/2017 17:20, Pete Kelly wrote:
>>> >>>>>>>>>>
>>> >>>>>>>>>> Hi
>>> >>>>>>>>>>
>>> >>>>>>>>>> I am using the topos module when bridging 2 networks with
>>> Kamailio.
>>> >>>>>>>>>>
>>> >>>>>>>>>> The INVITE/200OK part of the transaction is working fine
>>> (i.e. the
>>> >>>>>>>>>> Contact on both sides matches correctly the corresponding
>>> network).
>>> >>>>>>>>>>
>>> >>>>>>>>>> However when the ACK is sent into Kamailio, instead of
>>> realising
>>> >>>>>>>>>> the next hop is myself and skipping it, Kamailio is sending
>>> the ACK directly
>>> >>>>>>>>>> to itself as a packet, causing the call setup to break.
>>> >>>>>>>>>>
>>> >>>>>>>>>> Does anyone have any advice for this situation?
>>> >>>>>>>>>>
>>> >>>>>>>>>>
>>> >>>>>>>>>> _______________________________________________
>>> >>>>>>>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
>>> mailing
>>> >>>>>>>>>> list
>>> >>>>>>>>>> sr-users at lists.sip-router.org
>>> >>>>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>> >>>>>>>>>>
>>> >>>>>>>>>> --
>>> >>>>>>>>>> Daniel-Constantin Mierla
>>> >>>>>>>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>> >>>>>>>>>> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22
>>> (USA) -
>>> >>>>>>>>>> www.asipto.com
>>> >>>>>>>>>> Kamailio World Conference - May 8-10, 2017 -
>>> www.kamailioworld.com
>>> >>>>>>>>> --
>>> >>>>>>>>> Daniel-Constantin Mierla
>>> >>>>>>>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>> >>>>>>>>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>>> >>>>>>>>> Kamailio World Conference - May 8-10, 2017 -
>>> www.kamailioworld.com
>>> >>>>>>>>
>>> >>>>>>>>
>>> >>>>>>>> _______________________________________________
>>> >>>>>>>> Kamailio (SER) - Users Mailing List
>>> >>>>>>>> sr-users at lists.kamailio.org
>>> >>>>>>>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>> >>>>>>>>
>>>
>>> --
>>> Daniel-Constantin Mierla
>>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>>
>>>
>>
>> --
>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio Advanced Training - May 22-24 (USA) - www.asipto.com
>> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
>>
>>
>
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