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<font face="monospace">Hi Antonis,<br>
<br>
The fragmentation is controlled by OS, not OpenSIPS. The only
think you may try to do at opensips level is to reduce the size of
the SIP packages, with topo hiding for example. But not the case
here, for a REGISTER :(<br>
<br>
Regards,<br>
</font>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="https://www.opensips-solutions.com">https://www.opensips-solutions.com</a>
OpenSIPS Bootcamp 5-16 Dec 2022, online
<a class="moz-txt-link-freetext" href="https://www.opensips.org/training/OpenSIPS_eBootcamp_2022/">https://www.opensips.org/training/OpenSIPS_eBootcamp_2022/</a></pre>
<div class="moz-cite-prefix">On 11/21/22 9:49 AM, Antonis Psaras
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:75c501d8fd7d$d4cb9240$7e62b6c0$@microbase.gr">
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<p class="MsoNormal"><span style="color:#595959">Dear Team<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">I have a
strange issue and I need you thoughts.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">We have an
installation with 1700 devices registered on an OpenSIPs 2.4
latest running on Centos 7 on a XenServer Virtualization.
For some reason, some replies from OpenSIPs to the devices
is fragmented to 48b. Is that something that controlled by
OpenSIPs or OS? Why could something like that be occurred?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">Example of
normal packet<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">09:43:12.375943
IP 172.21.111.10.5060 > 172.24.4.14.5070: SIP: SIP/2.0
200 OK<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><a class="moz-txt-link-abbreviated" href="mailto:E....Y@.@.....o">E....Y@.@.....o</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">............SIP/2.0
200 OK<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">Via:
SIP/2.0/UDP
172.24.4.14:5070;received=172.24.4.14;branch=z9hG4bKb65a2607229aaf9b5;rport=5070<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">From: "1110401"
<a class="moz-txt-link-rfc2396E" href="sip:1110401@172.21.111.10"><sip:1110401@172.21.111.10></a>;tag=199725f5b3<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">To: "1110401"
<a class="moz-txt-link-rfc2396E" href="sip:1110401@172.21.111.10"><sip:1110401@172.21.111.10></a>;tag=4074.edeca69b8a0dee9664e1f1fc59897b8c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">Call-ID:
450061df04238489<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">CSeq:
1782007243 REGISTER<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">Contact:
<a class="moz-txt-link-rfc2396E" href="sip:9590401@172.24.4.14:5070;transport=udp"><sip:9590401@172.24.4.14:5070;transport=udp></a>;q=1;expires=600<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">Content-Length:
0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">And just after
that other replies to other device fragmented<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">09:43:12.483483
IP 172.21.111.10.5060 > 10.122.2.71.5060: SIP<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">E.. ..@.@._...o<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">z.G......'.....................<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">09:43:12.483563
IP 172.21.111.10.5060 > 172.29.20.26.5070: SIP<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">E.. ..@.@.v...o<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">...........t....................<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">09:43:12.483597
IP 172.21.111.10.5060 > 172.29.19.25.5080: SIP<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">E.. ..@.@..Y..o<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">...........s....ONS
<a class="moz-txt-link-freetext" href="sip:172.21.1">sip:172.21.1</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">09:43:12.483632
IP 172.21.111.10.5060 > 10.122.7.44.48577: SIP<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">E.. ..@.@.....o<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">z.,......,.....2.0
200 OK<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">Via:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#595959">Thank you for
your thoughts in advance<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#595959"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:9.0pt;margin-left:1.0pt;line-height:16.5pt"><b><span
style="color:#5F5F5F">Antonis Psaras</span></b><o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<br>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
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