Signed Configuration Files Are Not Requested; 802.1X Authentication Problems - Cisco 7821 Administration Manual

Cause
The CTL file does not contain the correct information for the Cisco Unified Communications Manager server.
Solution
Change the Cisco Unified Communications Manager server information in the CTL file.

Signed Configuration Files Are Not Requested

Problem
Phone does not request signed configuration files.
Cause
The CTL file does not contain any TFTP entries with certificates.
Solution
Configure TFTP entries with certificates in the CTL file.

802.1X Authentication Problems

801.1X authentication problems can be broken into the categories that are described in the following table.
Table 27: 802.1X Authentication Problem Identification
If all the following conditions apply,
• Phone cannot obtain a DHCP-assigned IP
address.
• Phone does not register with Cisco Unified
Communications Manager.
• Phone status displays Configuring IP or
Registering.
• 802.1X Authentication Status displays Held.
• Status menu 802.1X status displays Failed.
Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager 10.0 (SIP)
Cisco IP Phone Security Problems
See
802.1X Enabled on Phone but Phone Does Not
Authenticate, on page 186
185