[OpenSIPS-Users] drouting (opensips 1.11.x) - maximum number of gateways?

[Bogdan-Andrei Iancu]

Hi Max,

Yes, a transaction cannot have more than 12 branches used. But this does 
not limit how many GWs you can put in Dynamic Routing - you can put as 
many as you want on DR, but of course only 12 will be tried. But this 
depends a lot on the GW selection algorithm (with wights, with carriers, 
etc). To actually end up trying 12 gw for a call is a very rare case, I 
would say :)

Regards,

Bogdan-Andrei Iancu
   OpenSIPS Founder and Developer
   http://www.opensips-solutions.com

OpenSIPS Bootcamp 2017, Houston, US
   http://opensips.org/training/OpenSIPS_Bootcamp_2017.html

On 07/03/2017 12:19 PM, Max Mühlbronner wrote:
>
> I think i got it, default limit is 12 branches in config.h. Which 
> corresponds to my limit of 12 gateways, I will try and report back. :)
>
>
>
> #define MAX_BRANCHES    12                      /*!< maximum number of 
> branches per transaction */
>
>
> Max Mühlbronner
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> ------------------------------------------------------------------------
> *Von:* Users <users-bounces at lists.opensips.org> im Auftrag von Max 
> Mühlbronner <max.muehlbronner at 42com.com>
> *Gesendet:* Montag, 3. Juli 2017 10:38:25
> *An:* OpenSIPS users mailling list
> *Betreff:* [OpenSIPS-Users] drouting (opensips 1.11.x) - maximum 
> number of gateways?
> Hi,
>
> I've never noticed this until i came across it recently. I got a weird 
> issue with drouting, it turned out that even though the gatewaylist 
> ("carrier") contains a total of 20 gateways, only 12 are being used. 
> (all gateways got the same weight)
>
> E.g. if all gws are rejecting the calls, it will cycle through the 
> gatewaylist but it never tries all of the gateways, only 12.
>
> Is there an internal limitation for the number of gateways? I know 
> there is a limitation due to the database scheme, and there is also 
> DR_MAX_GWLIST in the drouting.c module.
>
> Any idea why i am only able to "failover" 12 gateways in a 
> carrier/gatewaylist?
>
>
> BR
>
> Max Muehlbronner
>
>
>
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