Troubleshooting Cisco Unified Ip Phone Security - Cisco 7965G Administration Manual

Chapter 9 Troubleshooting and Maintenance

Troubleshooting Cisco Unified IP Phone Security

Table 9-1
For information relating to the solutions for any of these issues, and for additional troubleshooting
information about security, refer to Cisco Unified Communications Manager Security Guide.
Table 9-1
Problem
CTL File Problems
Device authentication error.
Phone cannot authenticate CTL file.
Phone cannot authenticate any of the
configuration files other than the CTL
file.
Phone reports TFTP authorization
failure.
Phone does not register with
Cisco Unified Communications
Manager.
Phone does not request signed
configuration files.
OL-12650-01
provides troubleshooting information for the security features on the Cisco Unified IP Phone.
Cisco Unified IP Phone Security Troubleshooting
Cisco Unified IP Phone 7965G and 7945G Administration Guide for Cisco Unified Communications Manager 6.0
Troubleshooting Cisco Unified IP Phone Security
Possible Cause
CTL file does not have a
Cisco Unified Communications
Manager certificate or has an incorrect
certificate.
The security token that signed the
updated CTL file does not exist in the
CTL file on the phone.
Bad TFTP record.
The TFTP address for the phone
•
does not exist in the CTL file.
If you created a new CTL file with
•
a new TFTP record, the existing
CTL file on the phone may not
contain a record for the new TFTP
server.
The CTL file does not contain the
correct information for the
Cisco Unified Communications
Manager server.
The CTL file does not contain any
TFTP entries with certificates.
9-9