SeeIf all the following conditions apply,
Factory Reset of Phone has Deleted 802.1X Shared Secret
•
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 is enabled on the phone, but the phone is unable to authenticate.
Solution
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 Security Configuration Menu, on page 99
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 shared secret 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 is not enabled on the phone.
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)
219
Troubleshooting and Maintenance
Cisco Unified IP Phone Security Problems
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