[OpenSIPS-Users] I need some help in failover scenario while TCP connection breaks .

[Johan De Clercq]

Okay, good to hear. Now please explain what this does ;-)

Outlook voor iOS<https://aka.ms/o0ukef> downloaden

________________________________
Van: Users <users-bounces at lists.opensips.org> namens Sasmita Panda <spanda at 3clogic.com>
Verzonden: vrijdag, mei 10, 2019 7:11 AM
Aan: OpenSIPS users mailling list
Onderwerp: Re: [OpenSIPS-Users] I need some help in failover scenario while TCP connection breaks .

Hi ,

Thank you so much for the quick reply . You guys are really awesome   .

t_relay()flags[1] did the trick for me .

I haven't tried the modparam option . I will test with that also .

Thanks & Regards
Sasmita Panda
Senior Network Testing and Software Engineer
3CLogic , ph:07827611765


On Thu, May 9, 2019 at 7:15 PM Johan De Clercq <Johan at democon.be<mailto:Johan at democon.be>> wrote:
Sasmita,
can you try with this setting :


# Disable automatic 100 Trying
modparam("tm", "auto_100trying", 0)

BR,

Op do 9 mei 2019 om 13:28 schreef Sasmita Panda <spanda at 3clogic.com<mailto:spanda at 3clogic.com>>:
My scenario :

Register Request flow
B --> opensips (tcp proxy )  --> opesips (registrar)

tcp proxy add itself in the path .. so that whenevr any request come for B that goes through TCP proxy .

Invite Request flow
A -- > opensips (registrar) -->  opensips (tcp proxy) --> B

Problem . Sometime tcp connection between TCP proxy and B breaks down , at that time TCP proxy sends "477 Send Failed " .

A--> Opensips (registrar)--> opensips (tcp proxy) -\\-> B
A <-- Opensips (registrar) <-- (477 send Failed) Opensips (tcp proxy)

What I am trying to do is , If B is register from 2 location and registrar server has 2 contact in the data base .When Invite come for B , then it try 1st contact and if TCP proxy not able to send that request to B and sends back "477  send failed " to registrar .

Now My registrar server sends that 477 back to A . But I want  registrar o do failover and send the same Invite to 2nd destination rather than sending error message Back to A .

As for my understanding it not doing failover because proxy 1st sends "100 trying " for invite then "477 send failed " .

Is there any option through which I can do this ,

Failover block in my registrar config :
failure_route[3] {
        # the previous contact is not good

        if (t_check_status("408|404|477|486|50[234]|603")) {
                # route to the next contact
                if (next_branches()) {
                        # prepare for lcr failover
                        xlog( "L_NOTICE", "[$Tf] FR: $ci Next contact $fU -> $tU via $rd\n" );
                        #t_on_reply("1");
                        t_on_failure("3");
                        if (!t_relay()){
                                exit;
                        }
                } else {
                        xlog( "L_WARN", "[$Tf] FR: $ci No more buscuits in the biscuit tin -> 503.\n" );
                        #t_reply("503", "Service unavailable -- no more gateways");
                        exit;
                };

        };
        exit;
}


Please do help . I am blocked in a production environment .


Thanks & Regards
Sasmita Panda
Senior Network Testing and Software Engineer
3CLogic , ph:07827611765
_______________________________________________
Users mailing list
Users at lists.opensips.org<mailto:Users at lists.opensips.org>
http://lists.opensips.org/cgi-bin/mailman/listinfo/users
_______________________________________________
Users mailing list
Users at lists.opensips.org<mailto:Users at lists.opensips.org>
http://lists.opensips.org/cgi-bin/mailman/listinfo/users
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opensips.org/pipermail/users/attachments/20190510/6d4950fa/attachment-0001.html>