[SR-Users] ACK not relayed
David Notivol
dnotivol at gmail.com
Mon Jul 30 10:35:39 CEST 2012
Hi Daniel,
This is the ACK message:
U 2012/07/30 04:23:31.604721 79.170.68.151:5060 -> 79.170.68.157:5060
ACK sip:200.87.137.150:5060;user=phone SIP/2.0.
Via: SIP/2.0/UDP 79.170.68.151:5060
;branch=z9hG4bK334faa4497ll114a52eACK450932302031.
Max-Forwards: 70.
Route: <sip:79.170.68.157;lr;ftag=45093230-co8241-INS033>.
To: <sip:59146292331 at 79.170.68.157
;user=phone;noa=international>;tag=ldb0cbn6-CC-23.
From: "Javi Gallart"<sip:34917019888 at 79.170.68.151
;user=phone;noa=national>;tag=45093230-co8241-INS033.
Call-ID: 071ae17301d3eb470f5cdde00cd9b24b at ens.com.
CSeq: 824101 ACK.
User-Agent: ENSR3.0.66.34-IS33-RMRG106382-RG105488-CPO13110.
Content-Length: 0.
2012/7/30 Daniel-Constantin Mierla <miconda at gmail.com>
> Hello,
>
> can you add a log message to print the source ip, call id and r-uri?
>
> It may happen that the ACK is looping back if r-uri is pointing to itself.
>
> Also, try to get the ngrep on all devices, like:
>
> ngrep -d any -qt -W byline port 5060
>
> Pasting the ACK request here will help to see if something is wrong with
> it.
>
> Cheers,
> Daniel
>
>
> On 7/30/12 8:53 AM, David Notivol wrote:
>
> In a UAC-Kamailio-UAS scenario, we've found a case where the ACK coming
> from uac is not relayed by our proxy to the uas. This is the log for the
> ACK message:
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:624]: SIP Request:
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:626]: method: <ACK>
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:628]: uri: <sip:59138553189 at 79.170.68.157><sip:59138553189 at 79.170.68.157>
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:630]: version: <SIP/2.0>
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/parse_via.c:1286]: Found param type 235, <rport> = <n/a>; state=6
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/parse_via.c:1286]: Found param type 232, <branch> =
> <z9hG4bKKc4gKXyemS9HD>; state=16
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/parse_via.c:2561]: end of header reached, state=5
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:511]: parse_headers: Via found, flags=2
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:513]: parse_headers: this is the first via
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core> [receive.c:149]:
> After parse_msg...
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core> [receive.c:190]:
> preparing to run routing scripts...
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: sl [sl_funcs.c:396]: DEBUG
> : sl_filter_ACK: to late to be a local ACK!
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: maxfwd [mf_funcs.c:85]:
> value = 65
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/parse_to.c:178]: DEBUG: add_param: tag=6ne1x6d6-CC-23
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/parse_to.c:802]: end of header reached, state=29
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:188]: DEBUG: get_hdr_field: <To> [52]; uri=[
> sip:59138553189 at 79.170.68.157]
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:190]: DEBUG: to body [<sip:59138553189 at 79.170.68.157><sip:59138553189 at 79.170.68.157>]
>
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:168]: get_hdr_field: cseq <CSeq>: <31362871> <ACK>
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:202]: DEBUG: get_hdr_body : content_length=0
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/msg_parser.c:104]: found end of header
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/parse_to.c:178]: DEBUG: add_param: tag=0cS8trtaF196F
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: <core>
> [parser/parse_to.c:802]: end of header reached, state=29
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: sanity [mod_sanity.c:255]:
> sanity checks result: 1
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: siputils [checks.c:106]:
> totag found
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: ERROR: <script>: ESTAMOS EN
> WITHIN
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: rr [loose.c:108]: No Route
> headers found
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: DEBUG: rr [loose.c:829]: There is
> no Route HF
> Jul 27 10:04:59 theseus-test
> /usr/local/kamailio/sbin/kamailio[17358]: ERROR: <script>: NO LOOSE ROUTE
>
> However, in a pcap trace I clearly see the Route header:
> This is the Record-Route in the 200 message
> Record-Route: <sip:79.170.68.157;lr;ftag=330cdf48-co1022-INS033>
> And this is the Route header in the ACk:
> Route: <sip:79.170.68.157;lr;ftag=330cdf48-co1022-INS033>
>
> I haven't been able to figure out what's going on. We have plenty of
> traffic working in that proxy. What am I missing?
>
> Thanks in advance
> David.
>
>
> _______________________________________________
> 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 Mierla - http://www.asipto.comhttp://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - http://asipto.com/u/katu
> Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 - http://asipto.com/u/kpw
>
>
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