Corporate Directory will work with the default settings in 10.4.2, secure EM
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.
On Aug 3, 2017, at 2:03 PM, Schlotterer, Tommy
They will register and work, but no SSL functions will work, eg secure
Extension mobility or the corporate directory.
Tommy Schlotterer | Systems Engineer - Collaboration
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From: cisco-voip [mailto:cisco-voip-boun...@puck.nether.net] On Behalf Of Mike O
Sent: Thursday, August 03, 2017 1:52 PM
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
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