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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>I suspect there’s a cron purge/cleanup job of the shared memory segments which results in unregistered phones moving to unknown status after X time or CCM process restart. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>I see devices go unknown usually after ~48-72hrs which leads me to believe a cron running over the shared memory of CCM process. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'>Wes has a great write up (as always) on the difference between the two;<o:p></o:p></span></p><p class=MsoNormal><a href="http://www.gossamer-threads.com/lists/cisco/voip/146615?do=post_view_threaded">http://www.gossamer-threads.com/lists/cisco/voip/146615?do=post_view_threaded</a><span style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:#1F497D'><o:p> </o:p></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;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On Behalf Of </b>Matthew Berry<br><b>Sent:</b> Friday, November 11, 2011 11:49 PM<br><b>To:</b> Matthew Loraditch<br><b>Cc:</b> cisco-voip@puck.nether.net; Simon Nhlapo (ZA)<br><b>Subject:</b> Re: [cisco-voip] Does anyone know how long it takes a phone that has been disconnected from CUCM to change from an unregistered status to an unknown status?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande","serif"'>I believe you're correct in that assumption. As long as the phone has registered during the current "uptime session" of the CUCM, the IP address is cached in the system.<o:p></o:p></span></p><div><div><div><div><div><div><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande","serif";color:black'><br>Thanks!<br><br><b>Matthew Berry, CCIE #26721 (Voice) </b><span class=apple-converted-space> </span> <br>Sr. Unified Communications Engineer,<span class=apple-converted-space> </span></span><b><span style='font-size:13.5pt;font-family:"Lucida Grande","serif";color:#FF201A'>CDW</span></b><span style='font-size:13.5pt;font-family:"Lucida Grande","serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande","serif";color:black'>+1.763.592.5987 | protocol.by/matthewberry<o:p></o:p></span></p></div></div></div></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande","serif"'><o:p> </o:p></span></p><div><div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande","serif"'>On Nov 11, 2011, at 6:42 AM, Matthew Loraditch wrote:<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Lucida Grande","serif"'><br><br><o:p></o:p></span></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I thought I had read something along the lines of phones only show up as unknown if they had never registered to CUCM during the current cluster uptime. Basically only a full reboot would put an unregistered phone to unknown. I don’t remember where I read this and I could be totally wrong so don’t hold me to it, but if I’m close to right hopefully it might jog someone else’s memory of the complete answer.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Matthew Loraditch, CCVP, CCNA, CCDA</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><br>1965 Greenspring Drive</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Timonium, MD 21093<span class=apple-converted-space> </span><br><a href="mailto:support@heliontechnologies.com"><span style='color:black'>support@heliontechnologies.com</span></a><br>(p) (410) 252-8830<br>(F) (443) 541-1593<br><br>Visit us at<span class=apple-converted-space> </span><a href="http://www.heliontechnologies.com/"><span style='color:black'>www.heliontechnologies.com</span></a><span class=apple-converted-space> </span><br>Support Issue? Email<span class=apple-converted-space> </span><a href="mailto:support@heliontechnologies.com"><span style='color:black'>support@heliontechnologies.com</span></a><span class=apple-converted-space> </span>for fast assistance!</span><o:p></o:p></p></div></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;border-width:initial;border-color:initial'><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a href="mailto:cisco-voip-bounces@puck.nether.net">cisco-voip-bounces@puck.nether.net</a><span class=apple-converted-space> </span>[mailto:cisco-voip-bounces@puck.nether.net]<span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Simon Nhlapo (ZA)<br><b>Sent:</b><span class=apple-converted-space> </span>Friday, November 11, 2011 7:14 AM<br><b>To:</b><span class=apple-converted-space> </span><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br><b>Subject:</b><span class=apple-converted-space> </span>[cisco-voip] Does anyone know how long it takes a phone that has been disconnected from CUCM to change from an unregistered status to an unknown status?</span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-ZA> </span><o:p></o:p></p><div><p class=MsoNormal><span lang=EN-ZA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi All,</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-ZA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#AAFFAA'>Does</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>anyone know</span></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#FFFF80'>how</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#AAAAFF'>long</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>it</span></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#FFFF80'>takes</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>a</span></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#AAFFFF'>phone</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>that has been disconnected from CUCM</span></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#AAAAFF'>to</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>change from an unregistered status</span></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#AAAAFF'>to</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>an</span></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span class=googqs-tidbit1><b><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black;background:#AAFFAA'>unknown</span></b></span><span class=apple-converted-space><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span></span><span lang=EN-ZA style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>status?</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-ZA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-ZA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-ZA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Simon</span><o:p></o:p></p></div><div><p class=MsoNormal><span lang=EN-ZA><br><br>This email and all contents are subject to the following disclaimer:<br><a href="http://www.dimensiondata.com/emaildisclaimer">"http://www.dimensiondata.com/emaildisclaimer"</a></span><o:p></o:p></p></div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>