Cisco Bug: CSCsy80055 - High CPU while registering sip phones to CME (12.4.24T)
Feb 22, 2014
- Cisco 1800 Series Integrated Services Routers
Known Affected Releases
Symptom: High CPU while SIP phones are the in the process of registering to CME (12.4.24T) Conditions: With following topology, SIP IP Phones----SIP---3560POE---SIP---CME. With around 100 sip phones, and 10-15 POE switches, if you reboot few POE switches, this causes the SIP phones to try and register with CME causing high CPU utilization with processes CCSIP_SPI_CONTRO and CCSIP_UDP_SOCKET which further prevents registeration of any phones.
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Bug Details Include
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