Cisco 7931G Administration Guide - Page 217
Problem, Possible Cause, for the Cisco Unified Communications Manager
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Chapter 9 Troubleshooting and Maintenance Troubleshooting Cisco Unified IP Phone Security Table 9-1 Cisco Unified IP Phone Security Troubleshooting (continued) Problem Possible Cause Phone cannot authenticate any of the configuration files other than the CTL file. Bad TFTP record. Phone reports TFTP authorization failure. • The TFTP address for the phone does not exist in the CTL file. • If you created a new CTL file with a new TFTP record, the existing CTL file on the phone may not contain a record for the new TFTP server. Phone does not register with Cisco Unified Communications Manager. The CTL file does not contain the correct information for the Cisco Unified Communications Manager server. Phone does not request signed configuration The CTL file does not contain any TFTP entries with files. certificates. 802.1X Enabled on Phone but Not Authenticating Phone cannot obtain a DHCP-assigned IP These errors typically indicate that 802.1X address. authentication is enabled on the phone, but the phone Phone does not register with is unable to authenticate. Cisco Unified Communications Manager. 1. Verify that you have properly configured the Phone status display as "Configuring IP" or required components (see the "Supporting "Registering". 802.1X Authentication on Cisco Unified IP Phones" section on page 1-23 for more 802.1X Authentication Status displays as information). "Held" (see the "802.1X Authentication and Status" section on page 4-39 for more details). 2. Confirm that the shared secret is configured on the phone (see the"802.1X Authentication and Status menu displays 802.1X status as "Failed" Status" section on page 4-39 for more (see the "Status Menu" section on page 7-3 for information). more details). - 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 Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.0 OL-12457-01 9-13