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It could very well be more than just the mac, but the mac is definitely part of it.
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<div>This is why this statement exists in the install guide.</div>
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<div class="important"><span class="importanttitle">Important:</span>
<p>In a virtual environment, Enterprise License Manager requires a static MAC address to function properly.</p>
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<a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/elmuserguide/9_0_1/CUCM_BK_E596FD72_00_enterprise-license-manager-user-90/CUCM_BK_E596FD72_00_enterprise-license-manager-user-90_chapter_010.html">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/elmuserguide/9_0_1/CUCM_BK_E596FD72_00_enterprise-license-manager-user-90/CUCM_BK_E596FD72_00_enterprise-license-manager-user-90_chapter_010.html</a></div>
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<div>From a VM perspective you really can use the smallest OVA option for this. It doesn't take up a lot of resources (and for a lab, I'm sure the CPU reservation could be reduced, just don't do it in production!).</div>
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<div>-Ryan </div>
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<div>On Feb 12, 2014, at 5:01 PM, Jeffrey Girard <<a href="mailto:jeffrey.girard@girardinc.com">jeffrey.girard@girardinc.com</a>> wrote:</div>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A">Ryan –<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> What you say is interesting because it contradicts what the guy on my license TAC case specifically told me (I can provide you his name in a private
email if you wish)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> “</span>Note that the licensing is tied to the eth0 mac address so if your ELM is a VM be sure it has a static mac address.”<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> I specifically asked him this question and was told that starting with 9, the licensing was no longer tied to a MAC but only to a random set of characters generated by the ELM when you do the license request.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> That will be important to know which is true so that I can tell the client the correct information.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> It seems as if the dedicated ELM is the correct way to go – but Im not sure if the client wants to dedicate the HW/VM to building one. They are constantly changing the architecture (it’s a true lab)<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">------------------------------------------------------------------------------------</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">Dr. Jeffrey T. Girard (Jeff), PhD</span><span style="font-size:12.0pt;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">Colonel, United States Army (Retired)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">Senior Network Engineer / VoIP Engineer -
<a href="http://WireMeHappy.com">WireMeHappy.com</a></span><span style="font-size:12.0pt;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">reply to:
<a href="mailto:jeffrey.girard@wiremehappy.com">jeffrey.girard@wiremehappy.com</a></span><span style="font-size:12.0pt;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">(607)835-0406 (home office)</span><span style="font-size:12.0pt;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">(845)764-1661 (mobile)<o:p></o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Ryan Ratliff (rratliff) [<a href="mailto:rratliff@cisco.com">mailto:rratliff@cisco.com</a>]
<br>
<b>Sent:</b> Wednesday, February 12, 2014 4:52 PM<br>
<b>To:</b> Matthew Loraditch<br>
<b>Cc:</b> Jeffrey Girard; cisco-voip voyp list<br>
<b>Subject:</b> Re: [cisco-voip] Impact upon licensing in lab environment<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I agree with Matthew, if you are spinning up lab clusters or moving things around go with a dedicated ELM/PLM. Note that the licensing is tied to the eth0 mac address so if your ELM is a VM be sure it has a static mac address.
<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">There are no node licenses, so you can add multiple cluster to the same ELM and they will only consume licenses based on the number of configured users and devices. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">You don't want to be rebuilding or migrating the ELM anywhere. If you don't have to do that then there will never be a need to rehost a license going forward.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-Ryan <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Feb 12, 2014, at 11:53 AM, Matthew Loraditch <<a href="mailto:MLoraditch@heliontechnologies.com">MLoraditch@heliontechnologies.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D">Subs don’t talk to ELM. Only the Pub talks.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">You then have two possible setups, dedicated ELM/PLM and Colocated ELM/PLM with CUCM or Unity Connection.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">You also have one other scenario, rebuilding the Pub that you’ve mentioned.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">If you have the VM Resources considering all the changes you are talking about I suggest a dedicated ELM/PLM server. You can use the smallest sized CUCM OVA for this.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">The following possibilities exist with moving/rebuilding:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Rebuild collocated ELM/PLM and CUCM – You will have to rehost your ELM/PLM with TAC, you will also have to add the new Pub to ELM/PLM.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Rebuild Dedicated Pub when having dedicated ELM/PLM. Just add the new Pub to ELM/PLM and delete. TAC not involved.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Rebuild ELM/PLM Dedicated Instance – You will have to rehost your ELM/PLM with TAC, you will also have to add the existing Pub to ELM/PLM</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Migration of any servers –Migrating a shutdown instance of a VM using the Migrate function should cause no licensing changes as all hardware properties are kept the same.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">If you do a copy of the VM via VMWare that is not the case some hardware properties can change and this may cause ELM/PLM to need a rehost. A manual copy may work. I haven’t tried it.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I think I’ve addressed all of your scenarios, let me know if you need clarification.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D">1965 Greenspring Drive</span><span style="color:#1F497D"><br>
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<p class="MsoNormal"><b>From:</b> cisco-voip [<a href="mailto:cisco-voip-bounces@puck.nether.net">mailto:cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Jeffrey Girard<br>
<b>Sent:</b> Wednesday, February 12, 2014 11:01 AM<br>
<b>To:</b> <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> [cisco-voip] Impact upon licensing in lab environment<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A">Greetings all –</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> My client recently purchased 2 x PAKs for CUCM servers. They have several physical host machines configured with ESX5.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> My understanding of the difference with CUCM 9 is the ELM. Licenses are no longer tied to the MAC but are tied to some random characters generated
by the ELM during the license file upload process.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:.5in"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A">This is a lab environment so I want to be sure that I am advising them correctly on the impacts of the following actions:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> Assuming that both PAKs are registered to the single ELM (currently they have a Pub and Sub – each of them running inside ESX 5 on the separate physical
host machines)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> 1 – what would be the impact if the SUB VM were physically migrated (via copying and moving ova file) to the physical machine hosting the Pub? My gut
tells me no impact</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> 2 – what would be the impact if the CUCM pub and ELM (co-existing on the Pub) were physically moved (via copying and moving ova file) to the physical
machine hosting the Sub? My gut tells me no impact.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> 3 – what would be the impact if the Sub were decommissioned and rebuilt as a Pub in a new cluster? My gut tells me that it would take TAC involvement
to rehost the license</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#44546A"> 4 – what would be the impact if the Pub were decommissioned and rebuilt as a Pub in a new lab configuration? My gut tells me that it would also take
TAC involvement to rehost the license</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">------------------------------------------------------------------------------------</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">Dr. Jeffrey T. Girard (Jeff), PhD</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">Colonel, United States Army (Retired)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">Senior Network Engineer / VoIP Engineer -
<a href="http://wiremehappy.com/">WireMeHappy.com</a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">reply to:
<a href="mailto:jeffrey.girard@wiremehappy.com">jeffrey.girard@wiremehappy.com</a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">(607)835-0406 (home office)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">(845)764-1661 (mobile)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D">(607)835-0458 (fax)</span><o:p></o:p></p>
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