[cisco-voip] Migrating IP space

[Ben Amick]

No, TAC just told me that was the issue. All my phones were triggering trust list failed. 

Ben Amick
Telecom Analyst

-----Original Message-----
From: Jeffrey McHugh [mailto:jmchugh at fidelus.com] 
Sent: Sunday, April 30, 2017 7:07 AM
To: Ben Amick <bamick at HumanArc.com>
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Migrating IP space

Any chance TAC pointed you to where this may be documented? IP change only shouldn't affect ITL file


Jeffrey McHugh | Sr. Collaboration Consulting Engineer | VCP-DCV, CCNP Collaboration [Company_Logo_Image]< 
>


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Sent from my iPhone

On Apr 30, 2017, at 1:20 AM, Ben Amick <bamick at HumanArc.com<mailto:bamick at HumanArc.com>> wrote:

So I was performing an IP migration of systems tonight, and ran into an issue where the ITL files on every system refused to connect to the new IPs, despite the fact that the ITLs were based on the hostname of the systems. I was instructed by TAC afterwards while trying to fix it that the proper method, regardless of version change or not, if changing any attributes of the CM, is to enable the enterprise parameter of something along the lines of "Prepare for rollback for pre 8.0 migration"

Anyone else familiar with this procedure? I find that to be a strange name for something that needs to be turned on for so many different pieces of work.

Ben Amick
Telecom Analyst


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