Cisco Bug: CSCuq43574 - 79XX Phone DHCP client intermittently stops after port authentication

Last Modified

Apr 04, 2017

Products (1)

Cisco Unified IP Phone 7900 Series

Known Affected Releases

9.3(4)ES2

Description (partial)

Symptom:
After loading new firmware, intermittently 79XX phones loose IP after port authentication and does not register to CUCM

Conditions:
Loading new firmware ( upgrade or down grade)
79XX phone using port authentication (EAP-TLS)
CUCM 8.x and 9.x

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