X Authentication Problems - Cisco 7975G Software Manual

Cisco Unified IP Phone Security Problems
Solution
Configure TFTP entries with certificates in the CTL file.

802.1X Authentication Problems

802.1X authentication problems can be broken into the categories described in the following table.
Table 53: Identifying 802.1X Authentication Problems
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 as "Configuring IP"
or "Registering."
• 802.1X Authentication Status displays as
"Held" (see
Status Menus, on page 116
details).
• Status menu displays 802.1X status as
"Failed" (see
more details).
• 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"
• Status menu displays DHCP status as
timing out
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
224
802.1X Authentication and
for more
Status Menu, on page 177 for
Troubleshooting and Maintenance
See
802.1X Enabled on Phone but Phone Does Not
Authenticate, on page 225
802.1X Not Enabled, on page 225