We have some 8841 phones and 7841 phones. Everything had been working fine for quite a while. We have 6 Cisco WS-C2960L-48PS-LL switches. We upgraded the firmware on all 6 switches to version 15.2(6)E2b
All of the phones on two of the switches now reboot themselves about 30 seconds after they come up and connect, then the phone shuts down and goes through the process again. If I move the phone to one of the other four switches without the issue, the phone works fine. The switches themselves dont seem to be showing any errors.
I looked in the debug log of one of the phones and see this:
[8:43:38am 01/28/19] DeviceName=SEP00CAE541BB6D DeviceIPv4Address=192.168.200.107/24 IPv4DefaultGateway=192.168.200.1 DeviceIPv6Address= IPv6DefaultGateway= ModelNumber=CP-8841 NeighborIPv4Address=192.168.0.5 NeighborIPv6Address= NeighborDeviceID=jgp-fr-VSW1.jgp.local NeighborPortID=cisco-phone DHCPv4Status=1 DHCPv6Status=3 TFTPCfgStatus=1 DNSStatusUnifiedCM1=0 DNSStatusUnifiedCM2=0 DNSStatusUnifiedCM3=0 DNSv6StatusUnifiedCM1=0 DNSv6StatusUnifiedCM2=0 DNSv6StatusUnifiedCM3=0 VoiceVLAN=200 UnifiedCMIPAddress=jgp-fr-UCM1.jgp.local LocalPort=0 TimeStamp=1548694147807 ReasonForOutOfService=25 LastProtocolEventSent=Sent:NOTIFY sip:7725@192.168.200.10:5060;transport=tcp SIP/2.0 Cseq:1000 NOTIFY CallId:a1b78b80-c4e16e3c-10a6a7-ac8a8c0@192.168.200.10 LastProtocolEventReceived=Rcvd:SIP/2.0 200 OK Cseq:101 REGISTER CallId:00cae541-bb6d0003-3a121f1e-0505e847@192.168.200.107 ReasonForOutOfServiceText=LastTimeInitialized ActiveInterface=Wired
[8:44:13am 01/28/19] DeviceTLInfo DeviceName=SEP00CAE541BB6D IPv4Address=192.168.200.107 IPv6Address=CTL_Signature=Not InstalledCTL_TFTP_Server=N/AITL_Signature=05 5F B9 FB 92 B4 F3 E9 6C AB 12 DD 9F 8F 5A 7D 01 A6 73 8E ITL_TFTP_Server=jgp-fr-UCM1.jgp.localStatusCode=3
Any help would be greatly appreciated.
Brandon
