X Enabled On Phone But Phone Does Not Authenticate; X Not Enabled - Cisco 7975G Software Manual

Troubleshooting and Maintenance
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."
• Cannot access phone menus to verify
802.1X status.

802.1X Enabled on Phone but Phone Does Not Authenticate

Problem
The phone cannot authenticate.
Cause
These errors typically indicate that 802.1X authentication is enabled on the phone, but the phone is unable to
authenticate.
1 Verify that you have properly configured the required components (see
21 for more information).
2 Confirm that the shared secret is configured on the phone (see
on page 116
• If the shared secret is configured, verify that you have the same shared secret entered on the
• If the shared secret is not configured, enter it, and ensure that it matches the one on the authentication

802.1X Not Enabled

Problem
The phone does not have 802.1X configured.
Cause
These errors typically indicate that 802.1X authentication is not enabled on the phone.
Solution
To enable it, see
for more information).
authentication server.
server.
802.1X Authentication and Status Menus, on page
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Cisco Unified IP Phone Security Problems
See
Factory Reset of Phone Has Deleted 802.1X Shared
Secret, on page 226
802.1X Authentication, on page
802.1X Authentication and Status Menus,
116.
Communications Manager 9.0 (SCCP and SIP)
225