[cisco-voip] BE5K to BE6K upgrade

[Russell Chaseling]

Thanks Brian I thought so. I was finding it very hard to understand how a certificate could affect transferring a call.

Anyway unfortunately am using the same IP on both so can't use your suggestion

Appreciate the help and advice

From: bmeade90 at gmail.com [mailto:bmeade90 at gmail.com] On Behalf Of Brian Meade
Sent: 04 April 2014 14:58
To: Russell Chaseling
Cc: Erick Bergquist; Mehtab Shinwari; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] BE5K to BE6K upgrade

Russell,

Transfering and conferencing will work fine.  You'll only have issues with secure services such as corporate directory.  If both clusters are going to be up at the same time, I'd really suggest doing the Bulk Certificate Export/Consolidate/Import method instead of the rollback method.  That way your users won't lose any features prior to the migration.

https://supportforums.cisco.com/document/60716/migrating-ip-phones-between-clusters-cucm-8-and-itl-files

Brian

On Fri, Apr 4, 2014 at 4:04 AM, Russell Chaseling <rchaseling at plannet21.ie<mailto:rchaseling at plannet21.ie>> wrote:
Thanks all!!!

Another query as I don't have access to a lab at the moment to test. Once Rollback Parameter has been set to True and phones reset and the ITL has been removed has anyone done any testing of phone functionality?

I understand directory services (ie Extension Mobility, Corporate Directory etc ) will not work but TAC engineer is telling me that transferring and conferencing etc will not work either?? In fact he's saying that nothing will work except for basic calling. I sort of find this hard to believe so just wondering if anyone can confirm or deny this

The customers preference is to reset the phones very early in the morning before we upgrade that night - they can do without directory services but transferring......not willing to take this risk

Cheers
Russell

From: Erick Bergquist [mailto:erickbee at gmail.com<mailto:erickbee at gmail.com>]
Sent: 04 April 2014 06:50
To: Mehtab Shinwari
Cc: Russell Chaseling; cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] BE5K to BE6K upgrade

How many phones are you resetting with the rollback set to true on old cluster?

You want to make sure ALL the phones reset and get the clear ITL file. You may want to do them in batches of 50-100 at a time and make sure they unregister and re-register. I know it sounds paranoid, but I've seen where all phones don't reset when your doing a lot of phone resets at the same time.

Also migrate a handful over to start to make sure things are fine (set alternate TFTP, etc) before doing all the phones.

Be prepared to have to deal with a small % of phone/endpoint issues.



On Thu, Apr 3, 2014 at 9:17 PM, Mehtab Shinwari <mshinwari at fidelus.com<mailto:mshinwari at fidelus.com>> wrote:
Russell,

So when you change the parameter thats one rest to clear the ITL.

The second reset will be once you cutover. During the second reset it will first download the ITL and then do a mini-reset of its own before pulling the files from the tftp. The mini-reset is pretty quick but a required step so that the right certs/hash is applied.

I do not see the need for a third reset since the firmware is remaining the same post upgrade.

Good luck.

Regards


Mehtab Shinwari | CCNP RS/V
Senior Support Engineer



-------- Original message --------
From: Russell Chaseling <rchaseling at plannet21.ie<mailto:rchaseling at plannet21.ie>>
Date:
To: "cisco-voip (cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>)" <cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>>
Subject: [cisco-voip] BE5K to BE6K upgrade


Hi,

About to do one of these upgrades and following Cisco's official guide. Customer is looking for a seamless cutover as they are 24hour. I've got all the phone firmware identical etc . Part of the process is changing the "Prepare Cluster for Rollback to pre 8.0 Required Field" to True and resetting all the phones to clear the ITL file so they will register to the new CUCM. I've got a window to reset all these phones in advance but my question is will the phones reset again when I cut over to the new CUCM ? I'm assuming they will see the new Call Manager and pull down the new ITL file and reset? Or will I have to reset the phones after manually?

IF anyone has done one of these upgrades I'd love to know any gotchas?

Thanks
Russell
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