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Hello all
we are seeing these kind of logs in a Debian GNU/Linux 11 using kamailio 5.5.6
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155698]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155695]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.181:5060](http://208.74.138.181:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155693]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[38.102.250.60:5060](http://38.102.250.60:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[87.1.1.27:5060](http://87.1.1.27:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [ut.h:302]: uri2dst2(): no corresponding socket for "87.1.1.27" af 2
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [t_fwd.c:470]: prepare_new_uac(): can't fwd to af 2, proto 1 (no corresponding listening socket)
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155697]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155694]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[192.40.216.97:5060](http://192.40.216.97:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155694]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.180:5060](http://208.74.138.180:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155714]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[87.1.1.27:5060](http://87.1.1.27:5060/))
The kamailio instance we are using is receiving around 1500 calls per second in average when we do start seeing these errors more frequently
In this instance we are using multihomed
the listen address list is
socket_workers=1
listen=udp:[192.168.99.70:5081](http://192.168.99.70:5081/)
listen=udp:[192.168.99.81:5060](http://192.168.99.81:5060/)
listen=udp:[87.1.1.27:5060](http://87.1.1.27:5060/)
listen=tcp:[192.168.96.105:8095](http://192.168.96.105:8095/)
listen=tcp:[87.1.1.27:5060](http://87.1.1.27:5060/)
tcp_children=6
port=5060
We use the first worker only to perform the OPTIONS requests from the dispatcher module.
The sockets
listen=udp:192.168.99.81:5060
listen=udp:87.1.1.27:5060
are used to communicate both A and B legs
so when a message is received at 192.168.99.81:5060 we send it to 87.1.1.27:5060 and viceversa
We were using $fs variable before doing the t_relay() function.
This way is working, but when load increases, seems sometimes kamailio doesn't get the proper socket to forward the reply.
I think the errors mainly are related to responses which are being forwarded, like if the function get_sock_info_list was not able to retrieve the listen interfaces
we have tried to set in the onreply routes the commands
set_recv_socket("udp:192.168.99.81:5060");
set_send_socket("udp:87.1.1.27:5060"); (when reply goes from private to public domain)
and it seems it reduces the number of
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155702]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[164.152.22.248:5060](http://164.152.22.248:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155698]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155695]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.181:5060](http://208.74.138.181:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155693]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[38.102.250.60:5060](http://38.102.250.60:5060/))
errors
But i honestly don't know why the
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [t_fwd.c:470]: prepare_new_uac(): can't fwd to af 2, proto 1 (no corresponding listening socket)
appear
We also tried to increase the kernel buffers rmem and wmem from 208KB (as we had by default) to 4MB
Do you know a reason which could cause these logs to appear?
Any setup that could mitigate them?
thanks a lot and regards
david escartin
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