in all reality a better design would be to have your 7835 as the Pub. Register a 1000 user per sub. This would give you a total of 2000 users with the ability to fail either or both back to the Pub.<div><br></div><div>If you need 4500, I would add a 7845 as a Pub and register your users to the other three and then use the 7845 as the fail over for the other three.</div>
<div><br></div><div>YMMV.</div><div><br></div><div>Scott<br><br><div class="gmail_quote">On Thu, Aug 4, 2011 at 7:05 AM, Wellnitz, Erick A. <span dir="ltr"><<a href="mailto:erick.wellnitz@kattenlaw.com">erick.wellnitz@kattenlaw.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div lang="EN-US" link="blue" vlink="purple">
<div>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">I believe the 1000 per 7825 and 2500 per 7835 is correct. However, these are maximums. You must account for and failover in your design.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">If you put 4500 ‘users’ in your design, you have no capacity for accommodating a node failure.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><u></u> <u></u></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> <a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a> [mailto:<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Damian Turburville<br>
<b>Sent:</b> Thursday, August 04, 2011 8:46 AM</span></p><div class="im"><br>
<b>To:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
</div><b>Subject:</b> [cisco-voip] Fw: CUCM cluster capacity<u></u><u></u><p></p>
</div>
</div><div><div></div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Can anyone help with this at all? I would use the cisco sizing tool but it is only available to partners annoyingly.<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Thanks,<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Damian<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black"><u></u> <u></u></span></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="font-size:10.0pt;color:black">----- Forwarded Message -----<br>
<b>From:</b> Damian Turburville <<a href="mailto:d_turburville@yahoo.com" target="_blank">d_turburville@yahoo.com</a>><br>
<b>To:</b> "<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a>" <<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a>><br>
<b>Sent:</b> Wednesday, 3 August 2011, 16:57<br>
<b>Subject:</b> [cisco-voip] CUCM cluster capacity</span><span style="color:black"><u></u><u></u></span></p>
<div>
<div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Hi,<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">I realise this can depend on a lot of factors but I am looking for a rough figure for capacity (no. of users) on a CUCM 6.1 cluster consisting of<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Publisher - 7825-H3<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Subscriber1 - 7825-H3<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Subscriber2 - 7835-I2<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Now according to the SRND a 7825 server can handle 1000 users per server and a 7835 can handle 2500, does that mean in the above example that I can have 4500 users? Or should I only count
the Subscribers for a total of 3500 or should I base it on the capacity of the Publisher for a total of 1000.<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Also in the above example what would happen if I have 3500 users and Subscriber2 goes down, would the system fall over entirely as it would be trying to support 3500 users with much less
capacity?<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black"><u></u> <u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Many thanks for any help with this,<u></u><u></u></span></p>
</div>
<div>
<p class="MsoNormal" style="background:white"><span style="color:black">Damian<u></u><u></u></span></p>
</div>
</div>
</div>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:black"><br>
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