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Phone configuration files are updated as configuration changes are
made. They are not "one and done" static files. Thus the need to
use the TFTP server service on a CUCM node.<br>
<br>
For remote sites there is the possibility of doing a TFTP proxy
server. A local TFTP server receives the phone request and then
makes an http request to CUCM to retrive the config file. This helps
over WAN links as HTTP is much more efficient for higher latency
links. This depends on features invoked via the "centralized tftp"
deployment model of CUCM. I am not aware of a product that has
implemented it. It does not appear significantly complicated for
good PERL hacker.<br>
<br>
Phone---(TFTP)---Proxy---(HTTP)---(WAN)---CUCM TFTP server<br>
<br>
The CUCM TFTP server also hosts an HTTP server on an ephemeral port
for config file retrieval. This was introduced via CSCsb38067. See
the Release-note in Bug Toolkit for further information.<br>
<br>
Regards,<br>
Wes<br>
<br>
On 5/11/2011 5:08 PM, Wellnitz, Erick A. wrote:
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<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);">I believe phone and other device configurations
are downloaded via TFTP, therefore must be run on a CUCM
server. In theory you could get the config files and put
them on a third party TFTP but I’m not sure how reliable
that would be.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family:
"Calibri","sans-serif"; color: rgb(31,
73, 125);"><o:p> </o:p></span></p>
<div>
<div style="border-right: medium none; border-width: 1pt
medium medium; border-style: solid none none; border-color:
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padding: 3pt 0in 0in;">
<p class="MsoNormal"><b><span style="font-size: 10pt;
font-family:
"Tahoma","sans-serif";">From:</span></b><span
style="font-size: 10pt; font-family:
"Tahoma","sans-serif";">
<a class="moz-txt-link-abbreviated" href="mailto:cisco-voip-bounces@puck.nether.net">cisco-voip-bounces@puck.nether.net</a>
[<a class="moz-txt-link-freetext" href="mailto:cisco-voip-bounces@puck.nether.net">mailto:cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Lelio Fulgenzi<br>
<b>Sent:</b> Wednesday, May 11, 2011 3:33 PM<br>
<b>To:</b> Daniel Martin<br>
<b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] Subscriber and DHCP
Servers for Expansion of CUCM Cluster<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="margin-bottom: 12pt;"><span
style="font-size: 10pt; font-family:
"Verdana","sans-serif"; color: black;">Yes,
TFTP has to run on CUCM as far as I know. Infoblox had
some sort of agent working a while ago, not sure if it
ever got certification.<br>
<br>
We have a dedicated TFTP server for our deployment of
almost 8000 phones. I think it's a must.<br>
<br>
<br>
---<br>
Lelio Fulgenzi, B.A.<br>
Senior Analyst (CCS) * University of Guelph * Guelph,
Ontario N1G 2W1<br>
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>
Cooking with unix is easy. You just sed it and forget it.
<br>
- LFJ (with apologies to Mr.
Popeil)<br>
<br>
<o:p></o:p></span></p>
<div class="MsoNormal" style="text-align: center;"
align="center"><span style="font-size: 10pt; font-family:
"Verdana","sans-serif"; color: black;">
<hr id="zwchr" width="100%" align="center" size="2">
</span></div>
<p class="MsoNormal"><b><span style="font-size: 10pt;
font-family: "Verdana","sans-serif";
color: black;">From:
</span></b><span style="font-size: 10pt; font-family:
"Verdana","sans-serif"; color: black;">"Daniel
Martin" <a class="moz-txt-link-rfc2396E" href="mailto:daniel.martin@cae.com"><daniel.martin@cae.com></a><br>
<b>To: </b>"Ryan Ratliff" <a class="moz-txt-link-rfc2396E" href="mailto:rratliff@cisco.com"><rratliff@cisco.com></a><br>
<b>Cc: </b><a class="moz-txt-link-abbreviated" href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Sent: </b>Wednesday, May 11, 2011 4:28:26 PM<br>
<b>Subject: </b>Re: [cisco-voip] Subscriber and DHCP
Servers for Expansion of CUCM Cluster<br>
<br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);">I am running v7.1.3 at this
time.</span><span style="color: black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);"> </span><span style="color:
black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);">I made an error in the initial
post. I wanted to say TFTP and not DHCP. My mistake.</span><span
style="color: black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);"> </span><span style="color:
black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);">Cisco is telling me that the
TFTP service has to run on a CUCM server. Is that correct?</span><span
style="color: black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);"> </span><span style="color:
black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);">Do you have dedicated TFTP
servers or having that function off the same subscribers
used for Call Agent process? This is for up 7000 phones.</span><span
style="color: black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);"> </span><span style="color:
black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);">Daniel.</span><span
style="color: black;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family: "Calibri","sans-serif";
color: rgb(31, 73, 125);"> </span><span style="color:
black;"><o:p></o:p></span></p>
<div>
<div style="border-right: medium none; border-width: 1pt
medium medium; border-style: solid none none; padding: 3pt
0in 0in; border-color: -moz-use-text-color;">
<p class="MsoNormal"><b><span style="font-size: 10pt;
font-family:
"Tahoma","sans-serif"; color:
black;">From:</span></b><span style="font-size:
10pt; font-family:
"Tahoma","sans-serif"; color:
black;"> Ryan Ratliff [<a class="moz-txt-link-freetext" href="mailto:rratliff@cisco.com">mailto:rratliff@cisco.com</a>]
<br>
<b>Sent:</b> Wednesday, May 11, 2011 12:14 PM<br>
<b>To:</b> Daniel Martin<br>
<b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] Subscriber and DHCP
Servers for Expansion of CUCM Cluster</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span style="color: black;"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;">What CUCM
version are you on now and is an upgrade involved as part
of this?<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="color: black;"> <o:p></o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size: 13.5pt;
font-family:
"Helvetica","sans-serif"; color:
black;">-Ryan</span><span style="color: black;"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span style="color: black;"> <o:p></o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="color: black;">On May
11, 2011, at 11:49 AM, Daniel Martin wrote:<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-bottom: 12pt;"><span
style="color: black;"><o:p> </o:p></span></p>
<div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">Hi,</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> </span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">I would like to get the community's
feedback on Subscribers and DHCP Servers setup for
a cluster of 6000-7000 phones. We currently have
about 2000 phones running off two 7835 subscribers
which are also the DHCP servers. The 7835 are old
and must be replaced. We will be adding between
4000-5000 IP phones in the next 12-24 months for a
total of about 6000. With softphone and mobility,
that will go close to 7500 devices I project long
term.</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> </span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">The cluster is located in the headquarters
within multiple computer rooms.</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> </span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">What would be the recommended architecture
for subscribers?</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">- Currently looking at having 3 x 7845 for
Subs</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">- 2 CCM Groups to have all phones split
50-50</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> CUCM
Group1 CUCM Group2</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> Sub
A Sub B</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> Sub
B Sub A</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> Sub
C Sub C</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> </span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">What would be the recommended setup for
DHCP service?</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">- Currently looking at having Sub C be the
primary DHCP Server and have one of the other Subs
as backup DHCP Server</span><span style="color:
black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> </span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">As per Cisco Sales Support, I need two
Mobility servers as well. Are other people using
these? Recommendations?</span><span style="color:
black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> </span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">Any feedback would be much appreciated.</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;"> </span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA">Daniel.</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA"> </span><span style="color:
black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA"> </span><span style="color:
black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA">Daniel Martin</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA">Chef de Groupe – Gestion du
Réseau des TI</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">Group Leader – IT Network Management</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;">CAE Inc.</span><span style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA">St-Laurent, Québec Canada</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA">H4T 1G6</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA">Tél: 1-514-341-2000 x4878</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA">Fax: 1-514-340-5489</span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA"><a moz-do-not-send="true"
href="mailto:daniel.martin@cae.com"
target="_blank">daniel.martin@cae.com</a></span><span
style="color: black;"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
font-family:
"Calibri","sans-serif"; color:
black;" lang="FR-CA"> </span><span style="color:
black;"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size: 13.5pt;
font-family: "Lucida
Grande","serif"; color: black;">_______________________________________________<br>
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NOTIFICATION: Katten Muchin Rosenman LLP is an Illinois limited liability partnership that has
elected to be governed by the Illinois Uniform Partnership Act (1997).
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