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 28: 802.1X Authentication Problem Identification
See
If all the following conditions apply,
802.1X Enabled on Phone but Phone Does Not
Authenticate, on page 176
•
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
.
802.1X Not Enabled, on page 176
•
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
Disabled
.
•
Status menu displays that the DHCP status has
timed out.
Cisco Unified IP Phone 8941 and 8945 Administration Guide for Cisco Unified Communications Manager 10.0 (SCCP
and SIP)
175
Cisco IP Phone Security Problems