SeeIf all the following conditions apply,
Factory Reset of Phone Has Deleted 802.1X Shared
Secret, on page 226
•
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 802.1X Authentication, on page
21 for more information).
2
Confirm that the shared secret is configured on the phone (see 802.1X Authentication and Status Menus,
on page 116 for more information).
•
If the shared secret is configured, verify that you have the same shared secret entered on the
authentication server.
•
If the shared secret is not configured, enter it, and ensure that it matches the one on the authentication
server.
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 802.1X Authentication and Status Menus, on page 116.
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
225
Troubleshooting and Maintenance
Cisco Unified IP Phone Security Problems