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<div class="moz-cite-prefix">On 28/10/15 15:49, Alessio Casco wrote:<br>
</div>
<blockquote
cite="mid:CAPeOiHEv9G6Gtb1zbb2NdiKd-=4NF0EjmQHFAn5F7mhimwL1oA@mail.gmail.com"
type="cite">
<div dir="ltr">Hello!
<div><br>
</div>
<div>Thanks to @cezar91 we finally spot the issue, basically
kamailio it's transforming t_code=0 (timeout) to 408 and the
dispatcher module sees this last value.</div>
<div><br>
</div>
<div>
<div>Oct 28 14:16:32 net21-test /usr/sbin/kamailio[31911]:
DEBUG: tm [t_reply.c:1311]: t_should_relay_response():
->>>>>>>>> T_code=0, new_code=408</div>
<div>Oct 28 14:16:32 net21-test /usr/sbin/kamailio[31911]:
DEBUG: tm [t_reply.c:2135]: local_reply(): DEBUG: local
transaction completed 408/0 (totag retr: 0/1024)</div>
<div>Oct 28 14:16:32 net21-test /usr/sbin/kamailio[31911]:
DEBUG: dispatcher [dispatch.c:2489]: ds_options_callback():
OPTIONS-Request was finished with code 408 (to
<a class="moz-txt-link-freetext" href="sip:media21-test.internal:5060">sip:media21-test.internal:5060</a>, group 3)</div>
</div>
<div><br>
</div>
<div>So if you set on "ds_ping_reply_codes" class=4 or code=408,
kamailio will consider the backend up even if it doesn't
actually receives that specific code.</div>
<div><br>
</div>
<div>Do you think it worth to update the docs and advice about
this behaviour?</div>
<div>I just spot now the typo on the first email about the code
sorry!<br>
</div>
</div>
</blockquote>
<br>
Feel free to do a pull request on github for dispatcher
documentation where you add the notes you think it helps clarifying
better such situation. Contributions to documentation are always
welcome!<br>
<br>
Cheers,<br>
Daniel<br>
<br>
<blockquote
cite="mid:CAPeOiHEv9G6Gtb1zbb2NdiKd-=4NF0EjmQHFAn5F7mhimwL1oA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div><br>
</div>
<div>Thanks for your help</div>
<div>Alessio</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Oct 28, 2015 at 12:53 PM,
Daniel-Constantin Mierla <span dir="ltr"><<a
moz-do-not-send="true" href="mailto:miconda@gmail.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:miconda@gmail.com">miconda@gmail.com</a></a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Hello,<br>
<br>
can you want the network traffic and see if the OPTIONS
requests are sent out?<br>
<br>
Cheers,<br>
Daniel
<div>
<div class="h5"><br>
<br>
<div>On 27/10/15 18:59, Alessio Casco wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hello Daniel!
<div><br>
</div>
<div>Adding the sock_avp parameter, fixes the
error on the log, but the behaviour is the same
as before.</div>
<div><br>
</div>
<div>
<div><br>
</div>
</div>
<div>As you can see, with nothing listening on
those two servers, the loadbalancing it's still
disables.</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div>SET: {</div>
<div><span style="white-space:pre-wrap"> </span>ID:
3</div>
<div><span style="white-space:pre-wrap"> </span>TARGETS:
{</div>
<div><span style="white-space:pre-wrap"> </span>DEST:
{</div>
<div><span style="white-space:pre-wrap"> </span>URI:
<a moz-do-not-send="true">sip:media22-test.internal:5060</a></div>
<div><span style="white-space:pre-wrap"> </span>FLAGS:
AP</div>
<div><span style="white-space:pre-wrap"> </span>PRIORITY:
0</div>
<div><span style="white-space:pre-wrap"> </span>}</div>
<div><span style="white-space:pre-wrap"> </span>DEST:
{</div>
<div><span style="white-space:pre-wrap"> </span>URI:
<a moz-do-not-send="true">sip:media21-test.internal:5060</a></div>
<div><span style="white-space:pre-wrap"> </span>FLAGS:
AP</div>
<div><span style="white-space:pre-wrap"> </span>PRIORITY:
0</div>
<div><span style="white-space:pre-wrap"> </span>}</div>
<div><span style="white-space:pre-wrap"> </span>}</div>
<div>}</div>
</div>
<div><br>
</div>
<div>Thanks</div>
<div>Alessio</div>
<div><br>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Oct 27, 2015 at
5:33 PM, Daniel-Constantin Mierla <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:miconda@gmail.com"
target="_blank">miconda@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0
0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Hello,<br>
<br>
it looks like sock_avp parameter has to be
set -- it is there before 4.3.0 release, as
I could spot in 'git blame' for
dispatcher.c:768.<br>
<br>
Not sure is really needed for failover, I
will check its usage when I get first
chance.<br>
<br>
<a moz-do-not-send="true"
href="http://kamailio.org/docs/modules/stable/modules/dispatcher.html#dispatcher.p.sock_avp"
target="_blank">http://kamailio.org/docs/modules/stable/modules/dispatcher.html#dispatcher.p.sock_avp</a><br>
<br>
Cheers,<br>
DAniel
<div>
<div><br>
<br>
<div>On 26/10/15 17:00, Alessio Casco
wrote:<br>
</div>
</div>
</div>
<blockquote type="cite">
<div>
<div>
<div dir="ltr">
<div class="gmail_quote"><br>
<div dir="ltr">Hello!
<div><br>
</div>
<div>We noticed today an issue
with the kamailio
loadbalancing.</div>
<div><br>
</div>
<div>Basically kamailio is not
considering if an host is up
or not, backends are set
always as "FLAGS: AP" even if
the host is down.</div>
<div><br>
</div>
<div>I see this when the proxy
starts :</div>
<div><br>
</div>
<div>ERROR: dispatcher
[dispatcher.c:768]:
ds_warn_fixup(): failover
functions used, but required
AVP parameters are NULL --
feature disabled<br>
</div>
<div><br>
</div>
<div>These the parameters I have
set:</div>
<div>
<div><br>
</div>
<div>
<div># ----- dispatcher
params -----</div>
<div>modparam("dispatcher",
"list_file",
"/etc/kamailio/dispatcher.list")</div>
<div>modparam("dispatcher",
"dst_avp", "$avp(dsdst)")</div>
<div>modparam("dispatcher",
"grp_avp", "$avp(dsgrp)")</div>
<div>modparam("dispatcher",
"cnt_avp", "$avp(dscnt)")</div>
<div>modparam("dispatcher",
"ds_ping_method",
"OPTIONS")</div>
<div>modparam("dispatcher",
"ds_ping_reply_codes",
"class=2;class=3;code=404")</div>
<div>modparam("dispatcher",
"ds_ping_from", "<a
moz-do-not-send="true"><a class="moz-txt-link-freetext" href="sip:proxy@sip.nexmo.com">sip:proxy@sip.nexmo.com</a></a>")</div>
<div>modparam("dispatcher",
"ds_ping_interval", 20)</div>
<div>modparam("dispatcher",
"ds_probing_threshold", 1)</div>
<div>modparam("dispatcher",
"ds_probing_mode", 1)</div>
<div>modparam("dispatcher",
"ds_hash_size", 10)</div>
<div>modparam("dispatcher",
"ds_hash_expire", 3600)</div>
<div>modparam("dispatcher",
"ds_hash_initexpire", 60)</div>
<div>modparam("dispatcher",
"ds_hash_check_interval",
10)</div>
<div>modparam("dispatcher",
"use_default", 0)</div>
<div>modparam("dispatcher",
"attrs_pvname",
"$avp(carrierattr)")</div>
<div>modparam("dispatcher",
"setid_pvname",
"$avp(carriergroup)")</div>
<div>modparam("dispatcher",
"flags", 2)</div>
</div>
</div>
<div><br>
</div>
<div>I use 4.3.3, I think this
issue started after upgrading
from 4.3.1 but I can't say for
sure.</div>
<div><br>
</div>
<div>Can someone please give us
some advices on this?</div>
<div><br>
</div>
<div>Thanks</div>
<span><font color="#888888">
<div>Alessio</div>
</font></span></div>
</div>
<br>
</div>
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Daniel-Constantin Mierla
<a moz-do-not-send="true" href="http://twitter.com/#%21/miconda" target="_blank">http://twitter.com/#!/miconda</a> - <a moz-do-not-send="true" href="http://www.linkedin.com/in/miconda" target="_blank">http://www.linkedin.com/in/miconda</a>
Book: SIP Routing With Kamailio - <a moz-do-not-send="true" href="http://www.asipto.com" target="_blank">http://www.asipto.com</a>
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<pre cols="72">--
Daniel-Constantin Mierla
<a moz-do-not-send="true" href="http://twitter.com/#%21/miconda" target="_blank">http://twitter.com/#!/miconda</a> - <a moz-do-not-send="true" href="http://www.linkedin.com/in/miconda" target="_blank">http://www.linkedin.com/in/miconda</a>
Book: SIP Routing With Kamailio - <a moz-do-not-send="true" href="http://www.asipto.com" target="_blank">http://www.asipto.com</a>
Kamailio Advanced Training, Nov 30-Dec 2, Berlin - <a moz-do-not-send="true" href="http://asipto.com/kat" target="_blank">http://asipto.com/kat</a></pre>
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<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
<a class="moz-txt-link-freetext" href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a class="moz-txt-link-freetext" href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a>
Book: SIP Routing With Kamailio - <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
Kamailio Advanced Training, Nov 30-Dec 2, Berlin - <a class="moz-txt-link-freetext" href="http://asipto.com/kat">http://asipto.com/kat</a></pre>
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