[OpenSIPS-Users] opensips als LB for multi-FS cluster: nasty problems with TCP/TLS registered clients

Johannes Jakob lists.jj at googlemail.com
Tue Aug 21 15:15:25 CEST 2012 

Hi Binan,

> As your opensips is just a LB, try u to deal 302 as normal response (unload uac_redirect module).
> and ofcourse undo last changes u did.

I already tried that one, but even without loading uac_redirect and
doing any special things, the contact-line is being modified...



There needs to be some trivial explanation for that...  and since I
still have the original problems with TCP/TLS/UDP mismatch, I'm
getting more and more stressed... the setup needs to work this friday
otherwise I'm in a lot of trouble ;)

Aren't there any well tested and well working opensips routing scripts
for this basic need "Load balancing *all* messages to a cluster of
FreeSWITCH / Asterisk boxes" ?
Of course I'm aware of Bogdan's load balancing howto, but that is just
for the media part, not for the basic stuff like REGISTERs and so
on... I tried to adjust his example script to my needs, but since I'm
a total n00b, I've still serious issues with this script and went back
to the generally working original script from the freeswitch wiki
(http://wiki.freeswitch.org/wiki/OpenSIPS_configuration_for_2_or_more_FreeSWITCH_installs#Edit_opensips.cfg).


Thanks again for your time Binan, I'm still hoping for the final
insight on those issues :(



The debug showing that it doesn't matter, if I load uac_redirect or not:


U 17.17.17.245:7784 -> 222.222.222.222:5060
SIP/2.0 302 Moved Temporarily.
Via: SIP/2.0/UDP 222.222.222.222;branch=z9hG4bKff3c.5df04c8.1.
Via: SIP/2.0/UDP
13.13.13.66;received=13.13.13.66;rport=5060;branch=z9hG4bKD6KKStKSN0QQa.
Record-Route: <sip:222.222.222.222;lr;ftag=7SUyrQKQ28m9p;did=6ef.46d6cb52>.
From: "User B" <sip:1002 at sip.isp.net>;tag=7SUyrQKQ28m9p.
To: <sip:1001 at 17.17.17.245:7784;line=jxlhtxze>;tag=4cvgtshwoc.
Call-ID: 1a82df2b-6632-1230-2c88-0016367615cd.
CSeq: 32440752 INVITE.
Contact: <sip:1003 at sip.isp.net;user=phone>.
Diversion: <sip:1001 at 17.17.17.245:7784;line=jxlhtxze>;reason="unconditional".
Content-Length: 0.
.


U 222.222.222.222:5060 -> 13.13.13.66:5060
SIP/2.0 302 Moved Temporarily.
Via: SIP/2.0/UDP
13.13.13.66;received=13.13.13.66;rport=5060;branch=z9hG4bKD6KKStKSN0QQa.
Record-Route: <sip:222.222.222.222;lr;ftag=7SUyrQKQ28m9p;did=6ef.46d6cb52>.
From: "User B" <sip:1002 at sip.isp.net>;tag=7SUyrQKQ28m9p.
To: <sip:1001 at 17.17.17.245:7784;line=jxlhtxze>;tag=4cvgtshwoc.
Call-ID: 1a82df2b-6632-1230-2c88-0016367615cd.
CSeq: 32440752 INVITE.
Contact: <sip:1003 at 17.17.17.245:7784;user=phone>.
Diversion: <sip:1001 at 17.17.17.245:7784;line=jxlhtxze>;reason="unconditional".
Content-Length: 0.


Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|start|received udp request INVITE
sip:1001 at 17.17.17.245:7784;line=jxlhtxze
Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|log|source 13.13.13.66:5060
Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|log|from sip:1002 at sip.isp.net
Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|log|to
sip:1001 at 17.17.17.245:7784;line=jxlhtxze
Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1001 at 17.17.17.245:7784;line=jxlhtxze uhcfse
Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|log|originated from internal
sources
Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|log|added this server to the
route set
Aug 21 14:55:43 opensips opensips[17505]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|17.17.17.245:7784
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|start|received external reply 302
Moved Temporarily
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|log|source 17.17.17.245:7784
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|log|address in Via differs from
source IP
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|13.13.13.66:5060
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: Failure Route
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: 302 in Failure Route
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1001 at 17.17.17.245:7784;line=jxlhtxze
Aug 21 14:55:43 opensips opensips[17510]:
1a82df2b-6632-1230-2c88-0016367615cd|start|received external reply 302
Moved Temporarily
Aug 21 14:55:43 opensips opensips[17510]:
1a82df2b-6632-1230-2c88-0016367615cd|log|source 17.17.17.245:7784
Aug 21 14:55:43 opensips opensips[17510]:
1a82df2b-6632-1230-2c88-0016367615cd|log|address in Via differs from
source IP
Aug 21 14:55:43 opensips opensips[17510]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|13.13.13.66:5060
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|start|received udp request ACK
sip:1001 at 17.17.17.245:7784;line=jxlhtxze
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|log|source 13.13.13.66:5060
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|log|from sip:1002 at sip.isp.net
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|log|to
sip:1001 at 17.17.17.245:7784;line=jxlhtxze
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1001 at 17.17.17.245:7784;line=jxlhtxze uhcfse
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|log|originated from internal
sources
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1001 at 17.17.17.245:7784;line=jxlhtxze 234hjak
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1001 at 17.17.17.245:7784;line=jxlhtxze ewiruwo
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|log|forwarding based on the route
set
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1001 at 17.17.17.245:7784;line=jxlhtxze asjdhakjdhak
Aug 21 14:55:43 opensips opensips[17507]:
1a82df2b-6632-1230-2c88-0016367615cd|pass|17.17.17.245:7784

Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|start|received udp request INVITE
sip:1003 at 17.17.17.245:7784;user=phone
Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|log|source 13.13.13.66:5060
Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|log|from sip:1002 at sip.isp.net
Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|log|to
sip:1001 at 17.17.17.245:7784;line=jxlhtxze
Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1003 at 17.17.17.245:7784;user=phone uhcfse
Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|log|originated from internal
sources
Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|log|added this server to the
route set
Aug 21 14:55:43 opensips opensips[17504]:
1a916eb6-6632-1230-2c88-0016367615cd|pass|17.17.17.245:7784
Aug 21 14:55:43 opensips opensips[17509]:
1a916eb6-6632-1230-2c88-0016367615cd|start|received external reply 404
Not Found
Aug 21 14:55:43 opensips opensips[17509]:
1a916eb6-6632-1230-2c88-0016367615cd|log|source 17.17.17.245:7784
Aug 21 14:55:43 opensips opensips[17509]:
1a916eb6-6632-1230-2c88-0016367615cd|log|address in Via differs from
source IP
Aug 21 14:55:43 opensips opensips[17509]:
1a916eb6-6632-1230-2c88-0016367615cd|pass|13.13.13.66:5060
Aug 21 14:55:43 opensips opensips[17509]:
1a916eb6-6632-1230-2c88-0016367615cd|pass|JJJ: Failure Route
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|start|received udp request ACK
sip:1003 at 17.17.17.245:7784;user=phone
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|log|source 13.13.13.66:5060
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|log|from sip:1002 at sip.isp.net
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|log|to
sip:1001 at 17.17.17.245:7784;line=jxlhtxze
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|pass|JJJ: RURI:
sip:1003 at 17.17.17.245:7784;user=phone uhcfse
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|log|originated from internal
sources
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|log|added this server to the
route set
Aug 21 14:55:43 opensips opensips[17508]:
1a916eb6-6632-1230-2c88-0016367615cd|pass|17.17.17.245:7784




# grep -E "uac_redir|get_redir" opensips.cfg

#loadmodule "uac_redirect.so"
#modparam("uac_redirect", "default_filter", "accept")
# modparam("uac_redirect", "deny_filter", NULL)
# modparam("uac_redirect", "accept_filter", NULL)
# modparam("uac_redirect", "acc_function", "acc_log_request")
# modparam("uac_redirect", "acc_db_table", "acc")
#               if(get_redirects("*")) {


routing script:

[snip]

route
{
    # log the basic info regarding this call
    xlog("L_INFO", "$ci|start|received $oP request $rm $ou");
    xlog("L_INFO", "$ci|log|source $si:$sp");
    xlog("L_INFO", "$ci|log|from $fu");
    xlog("L_INFO", "$ci|log|to $tu");
xlog("L_INFO", "$ci|pass|JJJ: RURI: $ru uhcfse");

[snip]

failure_route[external_fault] {
        xlog("L_INFO", "$ci|pass|JJJ: Failure Route");
        if (t_check_status("302")) {
                xlog("L_INFO", "$ci|pass|JJJ: 302 in Failure Route");
                xlog("L_INFO", "$ci|pass|JJJ: RURI: $ru");
                t_relay();
        }
}

[end]

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