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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>What version of switches and OS were you using?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Terry<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><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>Heim, Dennis<br><b>Sent:</b> June-05-14 11:50 AM<br><b>To:</b> Mar, Tashi; cisco-voip@puck.nether.net<br><b>Subject:</b> Re: [cisco-voip] Intermittent phone resets<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I had this awhile back, and it ended up being a bug on the switches related to spanning tree and excessive Topology Change Notifications (TCN).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal style='text-autospace:none'><b><span lang=EN-US style='font-size:10.0pt;color:black'>Dennis Heim | Collaboration Solutions Architect</span></b><span lang=EN-US style='color:black'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;color:black'>World Wide Technology, Inc. | +1 314-212-1814<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US><a href="https://twitter.com/CollabSensei"><span style='text-decoration:none'><img border=0 width=124 height=25 id="Picture_x0020_1" src="cid:image001.png@01CF80B5.EE285410" alt=twitter></span></a><span style='color:black'><o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US><a href="xmpp:dennis.heim@wwt.com"><span style='color:#1F497D;text-decoration:none'><img border=0 width=95 height=28 id="Picture_x0020_2" src="cid:image002.png@01CF80B5.EE285410" alt=chat></span></a><a href="tel:+13142121814"><span style='color:#1F497D;text-decoration:none'><img border=0 width=95 height=28 id="Picture_x0020_3" src="cid:image003.png@01CF80B5.EE285410" alt=Phone></span></a><a href="sip:dennis.heim@wwt.com"><span style='color:#1F497D;text-decoration:none'><img border=0 width=95 height=28 id="Picture_x0020_4" src="cid:image004.png@01CF80B5.EE285410" alt=video></span></a><span style='color:#1F497D'><o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='color:black'><o:p> </o:p></span></p></div><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> cisco-voip [<a href="mailto:cisco-voip-bounces@puck.nether.net">mailto:cisco-voip-bounces@puck.nether.net</a>] <b>On Behalf Of </b>Mar, Tashi<br><b>Sent:</b> Thursday, June 05, 2014 1:43 PM<br><b>To:</b> <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br><b>Subject:</b> [cisco-voip] Intermittent phone resets<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Hi, troubleshooting an issue where phones intermittently reset, either on hook or off hook (drops the call in progress). Logs and TAC claim it’s a network issue, but has anyone seen similar problems on Call Manager 9.1? Basically, we want to rule out Call Manager as the culprit.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Majority of phones using SIP, models 8891 and 9951, experiencing issues similar to those outlined here: <a href="https://supportforums.cisco.com/discussion/10846666/ip-phones-randomly-rebooting">https://supportforums.cisco.com/discussion/10846666/ip-phones-randomly-rebooting</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Steps already taken:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- upgrade to latest firmware<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- verify no POE errors on switch<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- cpu, memory on UCS servers ok<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- point phones to backup SUB, no change. Phones randomly reset when homed to Pub or Sub (both in separate locations).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- Wireshark to see KeepAlives dropping<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>1. Phone logs show:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>SEP0DD3B4E90000.cnf.xml.sgn (HTTP)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 8:05:20p TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 8:07:22p Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 11:16:50p TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 11:18:51p Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 6:52:38p TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 6:54:39p Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 9:55:04a TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 9:57:05a Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>2. Call Manager logs show:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- phone unregisters from Primary CUCM due to:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>[Reason=6] ConnectivityError - Network communication between the device and Unified CM has been interrupted.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- phones fallback to secondary CUCM and then rehome to Primary CUCM:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Reason code = 28, FallbackInitiated - The device has initiated a fallback and will automatically re-register to a higher-priority Unified CM. No action is necessary.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>3. Call Manager syslogs display EndPointUnregistered:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:34:18 %UC_CALLMANAGER-3-EndPointUnregistered: %[DeviceName=SEP0DD3B4E90000][IPAddress=10.1.10.211][Protocol=SIP][DeviceType=540][Description=User][Reason=6][IPAddrAttributes=0][LastSignalReceived=SIPConnControlInd][CallState=5286-call_initiated1][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: An endpoint has unregistered<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:36:22 %UC_-3-LastOutOfServiceInformation: %[DeviceName=SEP0DD3B4E90000][DeviceIPv4Address=10.1.10.211/24][IPv4DefaultGateway=192.168.51.1][DeviceIPv6Address=::][IPv6DefaultGateway=::][ModelNumber=CP-8961][NeighborIPv4Address=][NeighborIPv6Address=][NeighborDeviceID=][UNKNOWN_PARAMNAME:NeighborIPortID=][DHCPv4Status=1][DHCPv6Status=3][TFTPCfgStatus=1][DNSStatusUnifiedCM1=4][DNSStatusUnifiedCM2=4][DNSStatusUnifiedCM3=0][UNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM1=0][UNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM2=0][UNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM3=0][VoiceVLAN=50][UnifiedCMIPAddress=10.1.10.5][LocalPort=50382][TimeStamp=1396377375][ReasonForOutOfService=18][LastProtocolEventSent=Sent:INVITE <a href="sip:915138521010@10.1.10.2;user=phone">sip:915138521010@10.1.10.2;user=phone</a> SIP/2.0 Cseq:101 INVITE CallId:b4e9b08c-a3ad023c-1fec1fa7-3b9727b1@10.1][LastProtocolEventReceived=Rcvd:SIP/2.0 202 Accepted Cseq:104 REFER CallId:b4e9b08c-a3ad026a-30d892f1-02c748ba@10.1.10.211][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: Information related to the last out-of-service event <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:36:24 %UC_CALLMANAGER-6-EndPointRegistered: %[DeviceName=SEP0DD3B4E90000][IPAddress=10.1.10.211][Protocol=SIP][DeviceType=540][PerfMonObjType=2][Description=User][UserID=User1][LoadID=sip8961.9-4-1-9][AssociatedDNs=5286,5285,5242,5237,5262,5217,5284,5294,5282,#86,][MACAddress=0DD3B4E90000][IPAddrAttributes=0][ActiveLoadId=sip8961.9-4-1-9.loads][InactiveLoadId=sip8961.9-3-2SR1-1.loads][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: Endpoint registered<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:36:24 %UC_CALLMANAGER-6-DeviceDnInformation: %[DeviceName=SEP0DD3B4E90000][DeviceType=540][StationDesc=User][StationDn=5286,5285,5242,5237,5262,5217,5284,5294,5282,#86][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: List of directory numbers (DN) associated with this device<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>4. Switchport configuration:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>interface GigabitEthernet3/0/x<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport access vlan 10<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport mode access<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport voice vlan 11<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security maximum 3<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security aging time 2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security violation restrict<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security aging type inactivity<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>load-interval 30<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>spanning-tree portfast<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>spanning-tree bpduguard enable<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks, Tashi<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><span lang=EN-US style='font-size:7.5pt;font-family:"Arial","sans-serif";color:gray'><br>The information contained in this message is confidential and is intended only for the use of the individual or entity named above. It may contain proprietary or legally privileged information. Mistransmission shall not constitute a waiver of any rights or privileges. If you are not the designated recipient of this message, you are hereby notified that any use, dissemination, distribution or reproduction of this message is strictly prohibited. If you have received this message in error, please immediately notify the sender.<br><br>Although this e-mail and any attachments are believed to be free of any virus or other defect that might affect any computer system into which it is received and opened, it is the responsibility of the recipient to ensure that they are virus-free. Align Communications Inc. does not accept, and specifically disclaims, any liability or obligation for any loss or damage arising in any way from the use of this e-mail or any attachment. Thank You.</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></div></body></html>