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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">My preferred approach is to leverage a CSR1000v to do all the routing and then NAT that traffic out to the network. In the art of transparency, I am currently
an architect for a Lab as a Service (LaaS) style service, and migrations is one of the primary use cases. Once the migration is done in the lab then the configs are restored back to the production servers. There are always issues and unexpected “features”
during these upgrades, and it seems to get more complicated with every release.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif">Dennis Heim | Emerging Technology Architect (Collaboration)</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif">World Wide Technology, Inc. | +1 314-212-1814<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><a href="https://twitter.com/CollabSensei"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;text-decoration:none"><img border="0" width="124" height="25" id="Picture_x0020_1" src="cid:image001.png@01D10B91.931DEB30" alt="twitter"></span></a><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><a href="xmpp:dennis.heim@wwt.com"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="95" height="28" id="Picture_x0020_2" src="cid:image002.png@01D10B91.931DEB30" alt="chat"></span></a><a href="tel:+13142121814"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="95" height="28" id="Picture_x0020_3" src="cid:image003.png@01D10B91.931DEB30" alt="Phone"></span></a><a href="sip:dennis.heim@wwt.com"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="95" height="28" id="Picture_x0020_4" src="cid:image004.png@01D10B91.931DEB30" alt="video"></span></a><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D">“There is a fine line between Wrong and Visionary. Unfortunately, you have to be a visionary to see it." – Sheldon Cooper<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D">“The greatest danger for most of us is not that our aim is too high and we miss it, but that it is too low and we reach it.” -- Michelangelo
Buonarroti<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D">“We should tansform the way we work” -- RowanTrollope<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:blue"><a href="https://wwt.webex.com/meet/dennis.heim"><span style="color:#0563C1">Click here to join me in my Collaboration Meeting Room</span></a></span></u><u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#0563C1"><o:p></o:p></span></u></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Brian V<br>
<b>Sent:</b> Tuesday, October 20, 2015 12:51 PM<br>
<b>To:</b> Cisco VOIP <cisco-voip@puck.nether.net>; lelio@uoguelph.ca<br>
<b>Subject:</b> Re: [cisco-voip] How Many Docs Does it Take to Prep for an Upgrade?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">I've found it useful to put your duplicate network behind separate NAT router.<br>
<br>
Create a L2 (only L2, no L3 interface) VLAN on your production network, call it "Isolated"<br>
Pick a L2/L3 network that can be your NAT "outside" This network should be fully reachable in the enterprise and have some free IP addresses on it (like 5-10 free addresses)<br>
<br>
Find a separate physical router (like an old 28xx), Connect the outside interface to your switch on an access port that was selected for the NAT "outside"<br>
Connect the inside interface of the router to your switch on a port mapped to the "isolated" L2-only network<br>
<br>
On the NAT router inside interface create the duplicate IP network as your production UC network<br>
(don't run any routing protocols, just use a static default on the NAT router to get back to the core network for mgmt)<br>
On the NAT router outside, assign an IP to the interface for management. Then configure simple 1:1 NATs for each of your voice servers. Trunk the "isolated", L2 only, VLAN into your VMware host and assign to the guest UC VMs<br>
<br>
Since the duplicate IP interface only exists on the NAT router "inside" interface and you don't have any L3 IP address created on the isolated VLAN, your duplicate network is safely isolated yet reachable.<br>
<br>
You'll be able to reach the voice servers via the NAT "outside" address<br>
The voice servers will be able to "reach out" to the production network for NTP, LDAP. sFTP, etc. but appear to come from the NAT address.<br>
<br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal">On 10/20/2015 9:40 AM, Lelio Fulgenzi wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">My major concern is IP address conflicts. Right now, with my offline network, it's completely isolated, with the UCS solution, unless I buy a UCS server(s) that is sized accordingly
to hold the VMs sized for my production environment (which is unlikely), I'll have to consider feeding the UCS servers with the offline network which is a duplicate of the production network.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">While technically possible, it would mean that the entire team be aware of this special configuration and not mess with anything that could bridge the configurations and cause
IP address conflicts. I'm envisioning a separate network cable plugged into our offline switch/routers that would connect to the UCS server(s) in a separate VLAN. Unfortunately, I'm not up to speed with the intricacies of the UCS systems and VM, etc. and whether
or not that would cause issues.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">As with other organizations, we're under pressure to keep systems up and running 24 hours a day. We're improving our service availability design to hopefully help us going
forward. For example, building an almost exact duplicate of our auto-attendant and call processing on Unity Express, so that we can do work on Connection while peoples business can continue at 3 in the morning while we do work. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">We may revisit the offline upgrade in lieu of an inplace upgrade, but I'm not sure we're there yet.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">Lelio<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst, Network Infrastructure<br>
Computing and Communications Services (CCS)<br>
University of Guelph<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">519</span><span style="font-size:10.0pt;font-family:"Cambria Math",serif">‐</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">824</span><span style="font-size:10.0pt;font-family:"Cambria Math",serif">‐</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">4120
Ext 56354<br>
<a href="mailto:lelio@uoguelph.ca">lelio@uoguelph.ca</a><br>
<a href="http://www.uoguelph.ca/ccs">www.uoguelph.ca/ccs</a><br>
Room 037, Animal Science and Nutrition Building<br>
Guelph, Ontario, N1G 2W1<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif">
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<p class="MsoNormal"><b><span style="font-family:"Helvetica",sans-serif">From: </span>
</b><span style="font-family:"Helvetica",sans-serif">"Ryan Huff" <a href="mailto:ryanhuff@outlook.com">
<ryanhuff@outlook.com></a><br>
<b>To: </b>"Lelio Fulgenzi" <a href="mailto:lelio@uoguelph.ca"><lelio@uoguelph.ca></a><br>
<b>Cc: </b>"Kevin Przybylowski" <a href="mailto:kevinp@advancedtsg.com"><kevinp@advancedtsg.com></a>, "Anthony Holloway"
<a href="mailto:avholloway+cisco-voip@gmail.com"><avholloway+cisco-voip@gmail.com></a>, "Cisco VoIP Group"
<a href="mailto:cisco-voip@puck.nether.net"><cisco-voip@puck.nether.net></a><br>
<b>Sent: </b>Sunday, October 18, 2015 7:04:42 PM<br>
<b>Subject: </b>Re: [cisco-voip] How Many Docs Does it Take to Prep for an Upgrade?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">Lelio, what challenges are you facing in your next upgrade on UCS?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">I don't think staging is so much 'the old way of doing it' as much as it is depending on the engagement and timeline, in my opinion. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">If the target environment is only sized for the production VMs (and your coming from MCS) .... it might be difficult to do a bridge in the target environment. In that case, I would advocate
pulling the DRS and upgrading offnet, unless the customer can spin-up an sftp server that you can use to shuffle DRS on. At that point though, I'd say it is going to take just as long, one way or the other.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">Virtual to virtual with plenty of room in the datastores can certainly, and easily be done onnet. In place upgrades are another great case for onnet upgrades without staging.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">As Anthony mentioned earlier, PCD is only valuable (IMO) in a rather limited set of circumstances and has enough nuances that I don't bother with it. PCD has a ways to go before I'd consider
using it in practice; it's a good idea -just too early for me.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">Some organizations have change-controls that mandate major upgrades be ran in tandem/staged, then switched once signed off on. In those cases, I'll usually advocate upgrading the device loads
on the current version before the switch, so at least the phones move over quick.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">Ryan<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><br>
Sent from my iPad<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><br>
On Oct 18, 2015, at 6:36 PM, Lelio Fulgenzi <<a href="mailto:lelio@uoguelph.ca">lelio@uoguelph.ca</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">We've built an offline network where we have staged the last couple of upgrades. It's worked out well. We basically test everything we can to ensure operability. The day of the cutover there's
an overall downtime of about 90 minutes but some things come up sooner. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">I'm hoping to come up with a similar approach to the next one. But it would be using ucs so I'm not sure how to make that work just yet. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">Sent from my iPhone<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><br>
On Oct 16, 2015, at 3:52 PM, Kevin Przybylowski <<a href="mailto:kevinp@advancedtsg.com">kevinp@advancedtsg.com</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">It is very time consuming to stage in the lab… Installs, DRS’s, Upgrades, etc… I’ve only done them
in the past if there was a large gap in versions. It looks like PCD PCD is getting better so it looks like a valid option nowadays for bare metal to esx migration/upgrades.
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> cisco-voip [<a href="mailto:cisco-voip-bounces@puck.nether.net">mailto:cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Anthony Holloway<br>
<b>Sent:</b> Friday, October 16, 2015 3:42 PM<br>
<b>To:</b> Ryan Huff <<a href="mailto:ryanhuff@outlook.com">ryanhuff@outlook.com</a>><br>
<b>Cc:</b> Cisco VoIP Group <<a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>><br>
<b>Subject:</b> Re: [cisco-voip] How Many Docs Does it Take to Prep for an Upgrade?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">You sound more organized than I am. I would like to see what you have, sure. Thanks for the offer.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I've never staged an upgrade in my lab, though I have heard of plenty of people doing this. Is it really something to consider or is that a thing of the past? Like pulling a drive
from the array? Not too mention, I rarely have time to perform two upgrades on a project like this. I barely get enough time to upgrade the system once.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Fri, Oct 16, 2015 at 1:56 PM, Ryan Huff <<a href="mailto:ryanhuff@outlook.com">ryanhuff@outlook.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I use an excel spread sheet with a hyperlink to the base doc in one sheet with notes and details gathered in the sheet.Then I create additional worksheets of subordinate documentation
and notes and then make references from the base sheet to the subordinate sheets. I also have a sheet for customer discovery (current dns, ip, device loads .... etc). It ends up looking a lot like a Gantt chart.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">If you'd like, I can sanitize and send one to you, to compare notes and see if there is anything of use to you.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Also, If time permits, and it's feasible, I like to stage a mock upgrade in my lab with customer data (drs ... etc) and do a dry run.<o:p></o:p></p>
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-------- Original message --------<br>
From: Anthony Holloway <br>
Date:10/16/2015 2:38 PM (GMT-05:00) <br>
To: Cisco VoIP Group <br>
Subject: [cisco-voip] How Many Docs Does it Take to Prep for an Upgrade?<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Does anyone else do this? Gather all of the documentation ahead of time, because inevitably you're going to revisit a document more than once? There are a lot of documents to
gather! Anything I could be doing better? Tips? Tricks?<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I create a spreadsheet of all of the pertinent documents I need to review or reference, like in this screenshot. There's over 90 documents in this list. Granted, I don't read
them all front to back, but some I do, and for others I need to reference information within them nonetheless. You never know when you might find a small font hidden note in there.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">E.g., From the 8945 Release Notes<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><i>"Release 9.4(2)SR1 can only be upgraded from 9.3(4) and later. Releases prior to 9.3(4) have to be upgraded to 9.3(4) first."</i><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><i>Source:
<a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/8941_8945/firmware/9_4_2SR1/english/release_notes/P415_BK_RB1FD4B7_00_release-notes-942sr1.html#P415_TK_IA5F5D63_00" target="_blank">
8945 9.4(2)SR1 Release Notes</a></i><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I actually missed this one recently, and unlike 7900 series phones, they phone will just brick itself and never register. Causing you to walk to every phone and reset power to
it, or walk the mac address tables of your layer 2 network and shut/no shut the ports.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif">_______________________________________________<br>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>cisco-voip mailing list<o:p></o:p></pre>
<pre><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><o:p></o:p></pre>
<pre><a href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></pre>
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