Hi,
It is hard to say without a pcap - try to make a call capturing on the
LB server, showing both in and out SIP packets.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 10.07.2016 11:43, Chandan PR wrote:
Hi Guys,
Our Load Balancer configuration is as below:
route{
if (!mf_process_maxfwd_header("3")) {
send_reply("483","looping");
exit;
}
if ( has_totag() ) {
# sequential request -> obey Route indication
loose_route();
t_relay();
exit;
}
# handle cancel and re-transmissions
if ( is_method("CANCEL") ) {
if ( t_check_trans() )
t_relay();
exit;
}
# from now on we have only the initial requests
if (!is_method("INVITE")) {
send_reply("405","Method Not Allowed");
exit;
}
# initial request
record_route();
# LB function returns negative if no suitable destination (for
requested resources) is found,
# or if all destinations are full
if ( !load_balance("1","channel") ) {
send_reply("500","Service full");
exit;
}
t_on_reply("test");
# arm a failure route for be able to catch a failure event and
to do
# failover to the next available destination
t_on_failure("LB_failed");
# send it out
if (!t_relay()) {
sl_reply_error();
}
}
onreply_route[test] {
xlog("Reply $rs received from $si for the call $avp(iurl)");
}
In the opensips.log file, for some of the calls I see the reply 200
logged 4 times. And whenever that happens, the same is not sent back
to the originator of the call.
At the end of the day some calls are ending up in ambiguous result
codes as they don't receive 200 OK. And all the calls in this
category, we see the reply 200 logged 4 times in the log.
Any clue on what could be the issue?
Regards,
Chandan
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