[cisco-voip] CUCM 10.5 cluster migration

[Brian Meade]

Here's a good link to reference for these types of migrations-
https://supportforums.cisco.com/document/60716/migrating-ip-phones-between-clusters-cucm-8-and-itl-files

On Sun, Aug 6, 2017 at 9:53 AM, Ryan Ratliff (rratliff) <rratliff at cisco.com>
wrote:

> Corporate Directory will work with the default settings in 10.4.2, secure
> EM will not.
>
> If both clusters are up and running you are much better off just adding
> CallManager.pem from the TFTP server of the new cluster to Certificate
> Management of the old cluster as  "Phone-sast-trust”.
> This will let TVS on the old cluster authenticate the new cluster’s ITL
> and you don’t need to mess with anything.
>
> It does require that the phones can establish a secure connection to TVS
> on the old cluster, but if they can’t do that already then they wouldn’t
> take the rollback parameter change either.
>
> -Ryan
>
> On Aug 3, 2017, at 2:03 PM, Schlotterer, Tommy <tschlotterer at presidio.com>
> wrote:
>
> They will register and work, but no SSL functions will work, eg secure
> Extension mobility or the  corporate directory.
>
> Tommy
>
>
>
> Tommy Schlotterer | Systems Engineer - Collaboration
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> *From:* cisco-voip [mailto:cisco-voip-bounces at puck.nether.net
> <cisco-voip-bounces at puck.nether.net>] *On Behalf Of *Mike O
> *Sent:* Thursday, August 03, 2017 1:52 PM
> *To:* cisco-voip at puck.nether.net
> *Subject:* [cisco-voip] CUCM 10.5 cluster migration
>
> Hi All, I need to move about a 100 phones to a new cluster, and then add
> an additional 200+ phones. My problem is I want to use the "Prepare Cluster
> for Rollback to pre-8.0" parameter, but I can't change the option 150 in
> the DHCP server until the next day. My question is once I set this
> parameter  and I reset the phones they will register with an empty ITL
> file, but will the phones still function? If I can reset the phones to
> clear the existing ITL and have them work the following day I can then
> change the option 150 to the new cluster and then reset the existing phones
> and add new phones in.  I know I can lab this up, but wanted to make sure
> there were no gotchas associated with this method.
>
> Thanks,
> Mike
>
>
>
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