I am planning to upgrade my CallManager server this weekend. I will be upgrading from CM3.0(7) to 3.1(2c).
I have all of the update patches and software downloaded. How long does the upgrade process take? I would like to give our users fair warning that the phones will not be available during the upgrade process.
The physical upgrade only takes 1-2 hours, but if you review this forum you will find alot of problems encountered with 3.12c....upgrade at your own risk...fyi Callmanager 3.2 is set to be available 12/31/2001....It might pay to wait.....
We upgraded from CallManager 3.0.11 to 3.1.1, a few weeks ago, then to 3.1.2c about 4 weeks later. With two CallManagers in the cluster and just under 300 users and phones in the system it took about a half hour for each CallManager upgrade. Add in the time for backup, BIOS upgrades, and Windows 2000 system patches and it was about three hours start to finish. Be sure to check for newer versions to download before you start. Good luck, 3.1.2c is the most stable version we have had yet. (Of course the "next" version will always be the best!)
Before upgrading you have to consider the following:
a)Are there any CDR records? If so it's best to purge them first as these files make the installation longer.
b)If no CDRs, the installation takes about 1/2 hour per server (starting with the publisher first).
BUT!!! first concider these:
d)WIN2K upgrade & relevant patches,
e)SQL v7 Service Pack 3 installation and,
f)last the Service Pack Patch for the CCM 3.1(2c).
Since I don't know about when the 3.2 release will come up, the decision is up to you. Personally I believe that release 3.1 is very good (Only some problems with fax relaying but the load fixes are already posted on Cisco site).
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...