[SR-Users] ACK not relayed
Daniel-Constantin Mierla
miconda at gmail.com
Mon Jul 30 09:53:59 CEST 2012
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>
> 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>]
> 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.
>
>
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--
Daniel-Constantin Mierla - http://www.asipto.com
http://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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