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<DIV><FONT face=Arial size=2>IPC follows this as well, since i was not able to
reprogram an IPC config b/c TFTP was blocked, but it was still coming up.
Thanks.</FONT></DIV>
<DIV> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=wsisk@cisco.com href="mailto:wsisk@cisco.com">Wes Sisk</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=lelio@uoguelph.ca
href="mailto:lelio@uoguelph.ca">Lelio Fulgenzi</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Cc:</B> <A title=cisco-voip@puck.nether.net
href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, August 14, 2006 4:54
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [cisco-voip] TFTP/DHCP
'memory' on IP phones and Communicator?</DIV>
<DIV><BR></DIV>Behavior is *supposed* to be:<BR><BR>phone accepts TFTP server
from one of various methods:<BR><A class=moz-txt-link-freetext
href="http://www.cisco.com/en/US/customer/products/sw/voicesw/ps556/products_administration_guide_chapter09186a00803eda84.html#wp1023019">http://www.cisco.com/en/US/customer/products/sw/voicesw/ps556/products_administration_guide_chapter09186a00803eda84.html#wp1023019</A><BR><BR>the
phone then acquires it's configuration file from the TFTP server<BR><BR>Now,
if the phone can do a successful DNS lookup of the CM servers in the config
file, then it is considered a 'good configuration'.<BR><BR>The 'good
configuration' is stored in nvram and used if the TFTP server is unreachable
at next boot.<BR><BR>6608 does not do this. Not sure if IPC does or
not.<BR><BR>/Wes<BR><BR>Lelio Fulgenzi wrote:
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<DIV><FONT face=Arial size=2>Can anyone explain (briefly is fine) the whole
concept of how a phone continues to operate when it can't connect to the
TFTP/DHCP server after at least one successful configuration?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>I had always knew that in some way or another
the DHCP settings stuck, but I didn't think it was the same with TFTP. I was
racking my head on why changes weren't being applied to an IPC session, and
I only stumbled on the status screen to see TFTP failures.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Anyways, just looking for some
background.</FONT></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV><FONT face=Arial
size=2>--------------------------------------------------------------------------------<BR>Lelio
Fulgenzi, B.A. Network Analyst (CCS)<BR>University
of Guelph Guelph, Ontario
N1G 2W1<BR>(519) 824-4120 x56354 (519) 767-1060 FAX
<BR>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
<BR>Sanity First : Number of days with less than<BR>50 messages in my inbox
at the end of the day: buffer overrun</FONT></DIV><PRE wrap=""><HR width="90%" SIZE=4>
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