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</head><body text="#000000">Hi Mauricio,<br>
<br>
mrtg graphs are linked to the "virtual" elements of a member's port in
IXP Manager which means they are decoupled from any specific piece of
hardware. What I mean by that is:<br>
<br>
- for a port, it's the physicalinterface.id and not a specific switch
port - the physicalinterface object has a 1:1 relationship with
switchports which can be changed.<br>
<br>
- for a lag, it's the virtualinterface.id and not a specific bond /
PortChannel on a switch. virtualinterfaces have a 1:n relationship with
physicalinterfaces.<br>
<br>
See <a class="moz-txt-link-freetext" href="https://docs.ixpmanager.org/usage/interfaces/">https://docs.ixpmanager.org/usage/interfaces/</a> for a diagram and more
info.<br>
<br>
If you are upgrading a member which requires a switch port change, the
procedure would be to <span style="font-weight: bold;">edit</span> the
physical interface object in IXP Manager. I know you sometimes need to
create a new interface in IXP manager for this so you can handle things
like quarantine or other pre-migration checks. The inclination might be
to delete the old interface and move the new one to production. What you
should in fact do is delete the new temporary once and edit the old
one.<br>
<br>
If you do it like this, you'll preserve the historical data and LAG
ports will "just continue" as they were graphing.<br>
<br>
If you run into some edge case where this isn't possible, you'll need to
manually work with the mrtg log/rrd files to copy data points over. On
every graph there's a 'Backend Info' button on the top right when you're
an admin which includes the 'Data File Path' which tells you what
source file is used for that specific graph.<br>
<br>
Hope that helps! Maybe let me know if it does or if it needs further
clarification and we can add it to the docs.<br>
<br>
- Barry<br>
<br>
<span>
</span><br>
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<a style="color:#485664
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!important;" href="mailto:ixpmanager@inex.ie" moz-do-not-send="true">Mauricio
Oviedo via ixpmanager</a></div> <div
style="display:inline-block;white-space:nowrap;vertical-align:middle;width:48%;text-align:
right;"> <font color="#909AA4"><span style="padding-left:6px">29
April 2023 at 00:06</span></font></div> </div></div>
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<p class="MsoNormal"><span lang="ES-TRAD">Hi, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="ES-TRAD"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">What would be the recommended
procedure to “free” a port that was previously used by a member
(migrated i.e. from 10G port to 40G port), without loosing the
historical MRTG graphs?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">On the other hand, when trying
to delete the port from the old member, the following error is
appearing:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">500 <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Server Error :: Undefined array
key "HTTP_REFERER"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:9.5pt;font-family:"Segoe
UI",sans-serif;color:#F8F9FA;background:#343A40">IXP Manager V6.3.0</span><span
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Please advise, thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Mauricio</span><o:p></o:p></p>
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<br>
<div class="moz-signature">-- <br><br>
Kind regards,
<br>
Barry O'Donovan
<br>
INEX Operations<br>
<br>
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<br>
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