[cisco-voip] OS Upgrades and Patches When the WAN is Down - QuickQuestion

[Ryan Ratliff]

If you are doing OS patches only then connectivity is not needed.

-Ryan

On Jun 20, 2007, at 11:42 AM, Miller, Steve wrote:

Does anyone else have opinions on this?  Please help to put my mind  
at ease.  The second sub is in NY.  The pub and first sub are in DC.   
Thank you!

Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com



From: Matt Slaga (US) [mailto:Matt.Slaga at us.didata.com]
Sent: Wednesday, June 20, 2007 8:40 AM
To: Miller, Steve; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] OS Upgrades and Patches When the WAN is  
Down - QuickQuestion

Is the second sub remote across the WAN?



From: Miller, Steve [mailto:MillerS at DicksteinShapiro.COM]
Sent: Wednesday, June 20, 2007 8:38 AM
To: Matt Slaga (US); cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] OS Upgrades and Patches When the WAN is  
Down - QuickQuestion



These are only operating system upgrades and service releases - going  
from 4.2 to 4.4.  We have a publisher and subscriber in our main  
office, and a subscriber in our second biggest office.  Our third  
office is an SRST site.



Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com





From: Matt Slaga (US) [mailto:Matt.Slaga at us.didata.com]
Sent: Wednesday, June 20, 2007 8:03 AM
To: Miller, Steve; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] OS Upgrades and Patches When the WAN is  
Down - QuickQuestion

If the WAN is only connecting remote offices, then you should be  
okay.  If all your CallManager servers are in the same building you  
are fine.   Any remote phones will upgrade firmware once the wan is  
back up.



From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip- 
bounces at puck.nether.net] On Behalf Of Miller, Steve
Sent: Tuesday, June 19, 2007 10:42 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] OS Upgrades and Patches When the WAN is Down -  
QuickQuestion



We are planning to upgrade the base OS and patch one Publisher and  
two Subscribers this Saturday night.  All of our building power where  
our servers reside will be "on", but our WAN circuits come into our  
complex in an adjacent building where the power will be shut down for  
up to 12 hours.  Assuming that the WAN circuits will be dead, should  
we go ahead and load the software or should we wait until the WAN  
circuits are fully operational?  We normally load the Pub/reboot and  
then load the Subs and reboot after each new piece of software is  
loaded.  Please let me know if there can be negative repercussions.   
Thank you!



Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com



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