500 Forking capacity exceeded (12/SL) - sr-users

Juha Heinanen

22 Feb 22 Feb

10:15 p.m.

Camila Troncoso writes:

If one gateway is full, busy, down or answers with any failed response to LCR , I jump to the next gateway in the list. I´m presenting the problem that its stops jumping after 12 gateways and returns the message 500 Forking capacity exceeded (12/SL). I need to increase this limit , so all the gateways in the list give the call a try.

try increasing config.h:#define MAX_BRANCHES 12 /*!< maximum number of branches per transaction */ -- juha

Reply

Jorj Bauer

3:22 p.m.

Sadly, the branches are tracked in a 32-bit number, so you can't make it to 40. (We use 30 at Penn, having found a couple bits reserved.) We've done some preliminary work trying to migrate this to a 64-bit, but it's not complete, and we're not actively working on it any longer. -- Jorj On Mar 7, 2014, at 8:38 AM, Camila Troncoso <ctroncoso(a)redvoiss.net> wrote:

...

Juha, I tried increasing the number of MAX BRANCHES, but when I compiled and restarted kamailio it gave this error: tm [tm.c:744]: Too many max UACs for UAC branch_bm_t bitmap: 40 ERROR: <core> [sr_module.c:932]: init_mod(): Error while initializing module tm (/usr/local/lib64/kamailio/modules/tm.so) Then I had to change it to 24 MAX BRANCHES , and kamailio started ok. Is there a limit of MAX BRANCHES ? I need to increase the value near 40 branches. Regards, Camila -----Mensaje original----- De: sr-users-bounces(a)lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org] En nombre de Juha Heinanen Enviado el: sábado, 22 de febrero de 2014 18:16 Para: Kamailio (SER) - Users Mailing List Asunto: [SR-Users] 500 Forking capacity exceeded (12/SL) Camila Troncoso writes:

If one gateway is full, busy, down or answers with any failed response to LCR , I jump to the next gateway in the list. I´m presenting the problem that its stops jumping after 12 gateways and returns the message 500 Forking capacity exceeded (12/SL). I need to increase this limit , so all the gateways in the list give the call a try.

try increasing config.h:#define MAX_BRANCHES 12 /*!< maximum number of branches per transaction */ -- juha _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Reply

Jorj Bauer

4:44 p.m.

I believe a couple of bits are reserved in the code, actually. I think 30 is the maximum that's safe (and that's what we're using). -- Jorj On Mar 7, 2014, at 10:36 AM, Camila Troncoso <ctroncoso(a)redvoiss.net> wrote:

...

Jorj, Do you mean that the branches are represented each one in one bit, so 32 bit number is a max of 32 branches? And you recommend to use value 30, leaving 2 bit reserved? Regards, Camila -----Mensaje original----- De: sr-users-bounces(a)lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org] En nombre de Jorj Bauer Enviado el: viernes, 07 de marzo de 2014 11:23 Para: Kamailio (SER) - Users Mailing List Asunto: Re: [SR-Users] 500 Forking capacity exceeded (12/SL) Sadly, the branches are tracked in a 32-bit number, so you can't make it to 40. (We use 30 at Penn, having found a couple bits reserved.) We've done some preliminary work trying to migrate this to a 64-bit, but it's not complete, and we're not actively working on it any longer. -- Jorj On Mar 7, 2014, at 8:38 AM, Camila Troncoso <ctroncoso(a)redvoiss.net> wrote:

Juha, I tried increasing the number of MAX BRANCHES, but when I compiled and restarted kamailio it gave this error: tm [tm.c:744]: Too many max UACs for UAC branch_bm_t bitmap: 40 ERROR: <core> [sr_module.c:932]: init_mod(): Error while initializing module tm (/usr/local/lib64/kamailio/modules/tm.so) Then I had to change it to 24 MAX BRANCHES , and kamailio started ok. Is there a limit of MAX BRANCHES ? I need to increase the value near 40 branches. Regards, Camila -----Mensaje original----- De: sr-users-bounces(a)lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org] En nombre de Juha Heinanen Enviado el: sábado, 22 de febrero de 2014 18:16 Para: Kamailio (SER) - Users Mailing List Asunto: [SR-Users] 500 Forking capacity exceeded (12/SL) Camila Troncoso writes: > If one gateway is full, busy, down or answers with any failed > response to LCR , I jump to the next gateway in the list. I´m > presenting the problem that its stops jumping after 12 gateways and > returns the message 500 Forking capacity exceeded (12/SL). I need to > increase this limit , so all the gateways in the list give the call a

try.

try increasing config.h:#define MAX_BRANCHES 12 /*!< maximum number of branches per transaction */ -- juha _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

_______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Reply