Correct, ordinarily that would be what I would do as well. In this case though, 
I am trying to avoid upgrading the firmware on anything, other than the devices 
I am trying to get support for.

Thanks,

Ryan

Date: Sat, 3 Jan 2015 14:20:43 -0600
From: b...@brezworks.com
To: cisco-voip@puck.nether.net
Subject: Re: [cisco-voip] Device pack installation methodology question


  
    
  
  
    On 1/3/2015 2:11 PM, Ryan Huff wrote:

    
    
      
      I need to install a device pack on a 2 node 9.1(2)
        CCM cluster to get support for some 88xx phones but I do not
        want to update the loads for anything else.

        

        The approach I am going to use is:

        

        Drop the publisher out of the CM Group, forcing all phones to
        the subscriber. Install the device pack on the publisher and
        reboot the publisher. Once the publisher is backup, set all the
        device defaults back to what I want them to be then add the
        publisher back to the CM Group. Then drop the subscriber from
        the CM Group forcing all the phones on the publisher and start
        the install process over for the subscriber. Once everything is
        back up add the subscriber back to the CM Group.

        

        Does that sound reasonable or is there an easier way?

      
    
    

    Any time I've needed device support I just install it on all the
    nodes then reboot them one at a time during a maintenance window. 
    As long as both nodes are running call processing, they'll fail over
    when the node reboots.  Not sure about on 9.X, but on 10.X this just
    shows as a blip on the phones of them reregistering, not a full
    reboot.  Obviously if you install new software for those phones,
    they'll upgrade software when they reboot.

    

    Jeremy "TheBrez" Bresley

    b...@brezworks.com

  


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