X Authentication Problems - Cisco 7941G Administration Manual

Cisco Unified IP Phone Security Problems
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

802.1X authentication problems can be broken down into the categories described in the following table:
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 display as Configuring IP
or Registering
• 802.1X Authentication Status displays
as Held (see
Status, on page
• Status menu displays 802.1x status as
Failed (see
page
• Phone cannot obtain a DHCP-assigned
IP address
• Phone does not register with Cisco
Unified Communications Manager
• Phone status display as Configuring IP
or Registering
• 802.1X Authentication Status displays
as Disabled (see
and Status, on page
• Status menu displays DHCP status as
timing out (see
on page
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco
Unified Communications Manager 9.0 (SCCP and SIP)
218
802.1X Authentication and
113).
Call Statistics Screen, on
184).
802.1X Authentication
113).
Call Statistics Screen,
184).
See
802.1X Enabled on Phone but Phone Does Not Authenticate
802.1X Not Enabled
Troubleshooting and Maintenance