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<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">We resolved this by changing the timezone with the ‘date/time group’ configuration to ‘GMT Etc/Greenwich’ as it previously ‘GMT Etc/London’</span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Thank you for all your help everyone.</span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"; color:#1F497D">Kind Regards</span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"; color:#1F497D">James</span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt; font-family:"Tahoma","sans-serif""> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Erick B.<br>
<b>Sent:</b> 07 July 2013 20:05<br>
<b>To:</b> Nathan Reeves<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] NTP Problem Cucm ver 8.6.2</span></p>
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<p class="MsoNormal">Hmm, on bryant's issue with the ITL / CTL files - if the time was right on servers and most phones but not a few then it sounds like those couple phones weren't getting updated configuration file/etc probably for awhile if deleting the
ITL and CTL resolved his issue. Did the phones upgrade firmware also once the ITL / CTL was deleted (or didn't notice?). - Check out the Security By Default in 8.x document for more background. </p>
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<p class="MsoNormal">On this 6500 NTP server issue, look into Ed's stratum thoughts above. </p>
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<p class="MsoNormal">On Sun, Jul 7, 2013 at 9:09 AM, Nathan Reeves <<a href="mailto:nathan.a.reeves@gmail.com" target="_blank">nathan.a.reeves@gmail.com</a>> wrote:</p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I recently saw something similar on a 2 node cluster. NTP would initially sync but then fall out of sync. Logs were showing a greater than 'x' time difference and it was restarting NTP. As a final step I
rebooted both nodes and it NTP would resync. </p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">When you did a 'utils ntp status' on the boxes it would show that the reference source was LOCL which appears to be the hardware clock. Hardware clock is used when NTP fails to sync.</p>
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<p class="MsoNormal">Not ever had to reset ITL / CTL files though.</p>
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<p class="MsoNormal">On Sun, Jul 7, 2013 at 9:51 PM, Bryant Onojeta <<a href="mailto:onojetathekid@gmail.com" target="_blank">onojetathekid@gmail.com</a>> wrote:</p>
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<p class="MsoNormal"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"">If, it's only some phones having the problem…then we assume the that ntp with the cucm is accurate…the pub will be the master and the subs will get ntp from the pub.</span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"">I guess more info is needed, but the itl file deletion was recommended from cisco on OUR particular issue.</span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"">-Bryant</span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"">From:
</span></b><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"">Ed Leatherman <<a href="mailto:ealeatherman@gmail.com" target="_blank">ealeatherman@gmail.com</a>><br>
<b>Date: </b>Sun, 7 Jul 2013 09:48:43 -0400<br>
<b>To: </b>James Dust <<a href="mailto:james.dust@charles-stanley.co.uk" target="_blank">james.dust@charles-stanley.co.uk</a>><br>
<b>Cc: </b>Bryant Onojeta <<a href="mailto:onojetathekid@gmail.com" target="_blank">onojetathekid@gmail.com</a>>, Kenneth Hayes <<a href="mailto:kennethwhayes@gmail.com" target="_blank">kennethwhayes@gmail.com</a>>, "<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>></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif""><br>
<b>Subject: </b>Re: [cisco-voip] NTP Problem Cucm ver 8.6.2</span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"">I wonder if Call Manager is looking for a particular maximum stratum for it's NTP source before it will use that time, and maybe your 6500 is now sending with a worse stratum?
See these two:</span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""><a href="http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a0080b2cd0e.shtml" target="_blank">http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a0080b2cd0e.shtml</a></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""><a href="https://supportforums.cisco.com/thread/2044292" target="_blank">https://supportforums.cisco.com/thread/2044292</a></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""><br>
what does the 'utils ntp status' command show?<br>
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Would be really strange if you had to clear ITL out to fix time display.</span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"">On Sun, Jul 7, 2013 at 3:49 AM, James Dust <<a href="mailto:james.dust@charles-stanley.co.uk" target="_blank">james.dust@charles-stanley.co.uk</a>> wrote:</span></p>
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<p><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"; color:#1F497D">Morning,</span><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""></span></p>
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<p><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"; color:#1F497D">Yes the switch is back up and has been for some time.</span><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""></span></p>
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<p><span style="font-size:10.5pt; font-family:"Calibri","sans-serif"; color:#1F497D">Is there a way of doing this procedure remotely?</span><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""></span></p>
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<p><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"; color:#1F497D">Kind Regards</span><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""></span></p>
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<p><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"; color:#1F497D">James</span><span style="font-size:10.5pt; font-family:"Calibri","sans-serif""></span></p>
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Ed Leatherman</span></p>
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