[cisco-voip] Firmware Update

[Ryan Ratliff]

Very possible they will all get the firmware update when they  
failover to the pub to begin with.

Best way to make it as seamless as possible is to find the firmware  
the ES will include and put it on the phones before you do the ES  
install.   That way you can do a controlled reset of groups of phones  
if you have bandwidth issues or other problems with mass tftp activity.

The other option is to take a screenshot of device defaults before  
rebooting the pub.  When it comes back up change them all back to the  
previous versions and update.  Then (if you wish) you can change the  
phones at a later time.

-Ryan

On May 26, 2009, at 2:41 PM, Darren Ducote wrote:

Uploading new Engineering special that contains new firmwares I  
believe. I have to reboot the Pub & Subs. When the phones move back  
from being on the Pub will they see the new updates and download them  
all at once?

-----Original Message-----
From: Ryan Ratliff [mailto:rratliff at cisco.com]
Sent: Tuesday, May 26, 2009 1:40 PM
To: Darren Ducote
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Firmware Update

The phone will attempt to download a new firmware any time it
downloads a TFTP configuration file that specifies a load different
than the one running currently.

I don't think a failover to a backup server triggers a tftp config
file download.  If the phone lost communication to all servers then
it would most likely end up with a tftp config file download
(depending on the timing of the server coming back).

-Ryan

On May 26, 2009, at 2:23 PM, Darren Ducote wrote:

When I install an OS/Engineering update and reboot to the inactive
partition, do the phones try and download the new firmware after the
swing back over to the subscriber or do I have to manually update
that for each device?



In other words I am worried that all the phones will try to do a TFTP
firmware update after installing the updated OS. Thanks!


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