<div dir="ltr">Tashi,<div><br></div><div>Any firewalls between the phones and the PUB/SUBs?</div><div><br></div><div>I've personally experienced similar issues, where I had an ASA doing inspection (Application Layer Gateways for other vendors) on the protocol, and having an issue with packets it didn't understand, so it would drop them. Happens enough, the phone would reset.</div>
<div><br></div><div>Quick fix was to disable inspection, long term fix was to upgrade the ASA version to a later code that better understood the protocol.</div><div><br></div><div>Mike</div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Thu, Jun 5, 2014 at 1:42 PM, Mar, Tashi <span dir="ltr"><<a href="mailto:tmar@align.com" target="_blank">tmar@align.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple">
<div>
<p class="MsoNormal">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.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">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" target="_blank">https://supportforums.cisco.com/discussion/10846666/ip-phones-randomly-rebooting</a><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Steps already taken:<u></u><u></u></p>
<p class="MsoNormal">- upgrade to latest firmware<u></u><u></u></p>
<p class="MsoNormal">- verify no POE errors on switch<u></u><u></u></p>
<p class="MsoNormal">- cpu, memory on UCS servers ok<u></u><u></u></p>
<p class="MsoNormal">- point phones to backup SUB, no change. Phones randomly reset when homed to Pub or Sub (both in separate locations).<u></u><u></u></p>
<p class="MsoNormal">- Wireshark to see KeepAlives dropping<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">1. Phone logs show:<u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:10.0pt">SEP0DD3B4E90000.cnf.xml.sgn (HTTP)<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 8:05:20p TCP connection timed out<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 8:07:22p Falling back to different CUCM<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 11:16:50p TCP connection timed out<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 11:18:51p Falling back to different CUCM<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 6:52:38p TCP connection timed out<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 6:54:39p Falling back to different CUCM<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 9:55:04a TCP connection timed out<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"> 9:57:05a Falling back to different CUCM<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">2. Call Manager logs show:<u></u><u></u></p>
<p class="MsoNormal">- phone unregisters from Primary CUCM due to:<u></u><u></u></p>
<p class="MsoNormal">[Reason=6] ConnectivityError - Network communication between the device and Unified CM has been interrupted.<u></u><u></u></p>
<p class="MsoNormal">- phones fallback to secondary CUCM and then rehome to Primary CUCM:<u></u><u></u></p>
<p class="MsoNormal">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.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">3. Call Manager syslogs display EndPointUnregistered:<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span 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<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt">Apr 01 14:36:22 %UC_-3-LastOutOfServiceInformation: %[DeviceName=SEP0DD3B4E90000][DeviceIPv4Address=<a href="http://10.1.10.211/24%5D%5BIPv4DefaultGateway=192.168.51.1%5D%5BDeviceIPv6Address=::%5D%5BIPv6DefaultGateway=::%5D%5BModelNumber=CP-8961%5D%5BNeighborIPv4Address=%5D%5BNeighborIPv6Address=%5D%5BNeighborDeviceID=%5D%5BUNKNOWN_PARAMNAME:NeighborIPortID=%5D%5BDHCPv4Status=1%5D%5BDHCPv6Status=3%5D%5BTFTPCfgStatus=1%5D%5BDNSStatusUnifiedCM1=4%5D%5BDNSStatusUnifiedCM2=4%5D%5BDNSStatusUnifiedCM3=0%5D%5BUNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM1=0%5D%5BUNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM2=0%5D%5BUNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM3=0%5D%5BVoiceVLAN=50%5D%5BUnifiedCMIPAddress=10.1.10.5%5D%5BLocalPort=50382%5D%5BTimeStamp=1396377375%5D%5BReasonForOutOfService=18%5D%5BLastProtocolEventSent=Sent:INVITE" target="_blank">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>
<a href="mailto:sip%3A915138521010@10.1.10.2" target="_blank">sip:915138521010@10.1.10.2</a>;user=phone SIP/2.0 Cseq:101 INVITE CallId:b4e9b08c-a3ad023c-1fec1fa7-3b9727b1@10.1][LastProtocolEventReceived=Rcvd:SIP/2.0 202 Accepted Cseq:104 REFER <a href="mailto:CallId%3Ab4e9b08c-a3ad026a-30d892f1-02c748ba@10.1.10.211" target="_blank">CallId:b4e9b08c-a3ad026a-30d892f1-02c748ba@10.1.10.211</a>][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]:
Information related to the last out-of-service event <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span 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<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span 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<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">4. Switchport configuration:<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">interface GigabitEthernet3/0/x<u></u><u></u></p>
<p class="MsoNormal">switchport access vlan 10<u></u><u></u></p>
<p class="MsoNormal">switchport mode access<u></u><u></u></p>
<p class="MsoNormal">switchport voice vlan 11<u></u><u></u></p>
<p class="MsoNormal">switchport port-security maximum 3<u></u><u></u></p>
<p class="MsoNormal">switchport port-security<u></u><u></u></p>
<p class="MsoNormal">switchport port-security aging time 2<u></u><u></u></p>
<p class="MsoNormal">switchport port-security violation restrict<u></u><u></u></p>
<p class="MsoNormal">switchport port-security aging type inactivity<u></u><u></u></p>
<p class="MsoNormal">load-interval 30<u></u><u></u></p>
<p class="MsoNormal">spanning-tree portfast<u></u><u></u></p>
<p class="MsoNormal">spanning-tree bpduguard enable<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks, Tashi<u></u><u></u></p>
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