[cisco-voip] upgrade 2000 phones at 40 branch through the WAN

[MIHI]

You don't have to modify the CUCM TFTP, you can have a local "load server"
which can be your branch router or whatever you have.
 
The other thing you can do is peer firmware sharing, this you can also
enable in 4.x if you have upgraded your device packs.
 
Marton

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From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Chris Ward
(chrward)
Sent: Monday, July 20, 2009 8:23 PM
To: wael ahmed el mezain; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] upgrade 2000 phones at 40 branch through the WAN



That is going to take a long time because of the WAN and some phones may
even time out depending on how long.

 

You may want to upgrade the phones to the 7.X firmware version site-by-site
(or even more granular) before the upgrade while you are still running 4.1.
Then you can have a little more control of when and how many phones are
upgrading at once and the phones won't ALL upgrade after the switch version.

 

We have seen customers in the past also load up local TFTP servers at each
remote site temporarily just to upgrade the phones. Then point the phones
back to the CUCM TFTP after they are all upgraded. This requires some
coordination and in your case with 40 sites, this is less than desirable.
But, something to consider.

 

-Chris

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of wael ahmed el
mezain
Sent: Monday, July 20, 2009 2:07 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] upgrade 2000 phones at 40 branch through the WAN

 

hello,

 

I have client has ccm 4.1 (one Pub - 3 Subs) with about 2000 phones at +40
branch, and going to upgrade to ccm 7.x

 

Most of the remote sites has 1 MB or less (could be 512 or 384) WAN link to
the HQ.

 

Is there any problem if we are going to do the phones upgrade for all the
sites at the same time (after the CCMs upgrades using the DMA tool)?

 

I used to get the best solution from this group; anyone has any
suggestion/idea for this case to decrease the downtime as much as we can
with min risk?

 

Thanks,

Wael Ahmed

CCIE Voice # 24778

 

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