[OpenSIPS-Users] Problems with loose_route and ACK

[Bogdan-Andrei Iancu]

Hi,

You should have it on the OpenSIPS with the 172.25.251.4 IP.

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS Summit 2019
   https://www.opensips.org/events/Summit-2019Amsterdam/

On 9/26/19 6:45 PM, Olle Frimanson wrote:
>
> Hi again I might add it’s enabled on our edge proxy since it converts 
> TCP/TLS to UDP
>
> Br/Olle
>
> *Från:*Bogdan-Andrei Iancu <bogdan at opensips.org>
> *Skickat:* den 26 september 2019 16:51
> *Till:* OpenSIPS users mailling list <users at lists.opensips.org>; 
> olle at zaark.com
> *Ämne:* Re: [OpenSIPS-Users] Problems with loose_route and ACK
>
> Hi Olle,
>
> It is like the double-RR indication is ignored (the r2 param) from the 
> top Route hdr. Are you sure that the "enable_double_rr" modparam is 
> still on ?
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
>    https://www.opensips-solutions.com
> OpenSIPS Summit 2019
>    https://www.opensips.org/events/Summit-2019Amsterdam/
>
> On 9/26/19 4:30 PM, olle at zaark.com <mailto:olle at zaark.com> wrote:
>
>     Hi ,
>
>     I have stumbled on a issue with ACK on 200 OK from Freeswitch. We
>     are running 2.4.4 but I have also upgraded to 2.4.6 and testad
>     with the same result.
>
>     I get an ACK from our Freeswitch (172.25.0.25), trace from ngrep
>     (some address and numbers have been anonymized).
>
>     U 2019/09/26 13:00:22.614545 172.25.0.25:5060 -> 172.25.251.4:5060 #31
>
>     ACK
>     sip:c22c11d0-7961-48c6-a603-e3d1872a462a at 95.195.215.15:56188;transport=TCP;ob
>     SIP/2.0.
>
>     Via: SIP/2.0/UDP 172.25.0.25;rport;branch=z9hG4bK26XN3DN58vg6e.
>
>     Route:
>     <sip:172.25.0.21:5070;lr;r2=on;ftag=v3rpgKD64K2me;dlg=1b3.4591f441>
>     <sip:172.25.0.21:5070;lr;r2=on;ftag=v3rpgKD64K2me;dlg=1b3.4591f441>.
>
>     Route:
>     <sip:aaa.bbb.ccc.77:5002;transport=tcp;lr;r2=on;ftag=v3rpgKD64K2me;dlg=1b3.4591f441>
>     <sip:aaa.bbb.ccc.77:5002;transport=tcp;lr;r2=on;ftag=v3rpgKD64K2me;dlg=1b3.4591f441>.
>
>     Max-Forwards: 70.
>
>     From: "0123456789" <sip:0123456789 at 172.25.0.25>
>     <sip:0123456789 at 172.25.0.25>;tag=v3rpgKD64K2me.
>
>     To: <sip:9876543210 at blfkfmne406w.zaark.com>
>     <sip:9876543210 at blfkfmne406w.zaark.com>;tag=3Gwq-SQeo2nkmHWzeMGXPMJbWjv1UqxR.
>
>     Call-ID: 6d8b0c06-5b00-1238-3aa8-fa163e0144b5.
>
>     CSeq: 10197616 ACK.
>
>     Contact: <sip:gw+device at 172.25.0.25:5060;transport=udp;gw=device>
>     <sip:gw+device at 172.25.0.25:5060;transport=udp;gw=device>.
>
>     Content-Length: 0.
>
>     .
>
>     Our script in this case basically only have 3 steps has_to(),
>     loose_route() and t_relay()
>
>     AFAIK this packed should be routed to our edge proxy on
>     172.25.0.21 which has the public IP aaa.bbb.ccc,  but what happens
>     is that it routes to the 2nd Route header and drops the first:
>
>     U 2019/09/26 13:00:22.614870 172.25.251.4:5060 ->
>     aaa.bbb.ccc.77:5002 #32
>
>     ACK
>     sip:c22c11d0-7961-48c6-a603-e3d1872a462a at 95.195.215.15:56188;transport=TCP;ob
>     SIP/2.0.
>
>     Via: SIP/2.0/UDP 172.25.251.4:5060;branch=z9hG4bK1d62.29103862.3.
>
>     Via: SIP/2.0/UDP
>     172.25.0.25;received=172.25.0.25;rport=5060;branch=z9hG4bK26XN3DN58vg6e.
>
>     Route:
>     <sip:aaa.bbb.ccc.77:5002;transport=tcp;lr;r2=on;ftag=v3rpgKD64K2me;dlg=1b3.4591f441>
>     <sip:aaa.bbb.ccc.77:5002;transport=tcp;lr;r2=on;ftag=v3rpgKD64K2me;dlg=1b3.4591f441>.
>
>     Max-Forwards: 69.
>
>     From: "0123456789" <sip:0123456789 at 172.25.0.25>
>     <sip:0123456789 at 172.25.0.25>;tag=v3rpgKD64K2me.
>
>     To: <sip:9876543210 at blfkfmne406w.zaark.com>
>     <sip:9876543210 at blfkfmne406w.zaark.com>;tag=3Gwq-SQeo2nkmHWzeMGXPMJbWjv1UqxR.
>
>     Call-ID: 6d8b0c06-5b00-1238-3aa8-fa163e0144b5.
>
>     CSeq: 10197616 ACK.
>
>     Contact: <sip:gw+device at 172.25.0.25:5060;transport=udp;gw=device>
>     <sip:gw+device at 172.25.0.25:5060;transport=udp;gw=device>.
>
>     Content-Length: 0.
>
>     This used to work in an older setup with Opensips running 2.1, so
>     not sure if I’m doing something wrong here.
>
>     Any hints are appreciated
>
>     Thanks in advance / Olle
>
>
>
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>
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>
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>
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