Cisco 7941G - Unified IP Phone VoIP Administration Manual page 241

Chapter 9 Troubleshooting and Maintenance
Table 9-1 Cisco Unified IP Phone Security Troubleshooting (continued)
Problem
802.1X Enabled on Phone but Not Authenticating
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 "Held" (see the
Authentication and Status" section
on page 4-50).
Status menu displays 802.1x status
as "Failed" (see the "Call Statistics
Screen" section on page
802.1X Not Enabled
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" (see the
"802.1X Authentication and Status"
section on page 4-50).
Status menu displays DHCP status
as timing out (see the
Statistics Screen" section on
page 7-16).
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1
OL-14620-01
Possible Cause
These errors typically indicate that 802.1X is enabled on the
phone, but the phone is unable to authenticate.
Verify that you have properly configured the required
1.
components
Unified IP Phones" section on page
Confirm that the shared secret is configured on the phone
2.
(see the
page 4-37
"802.1X
–
–
7-16).
These errors typically indicate that 802.1X is not enabled on the
phone. To enable it, see the
section on page 4-37
phone.
"Call
Troubleshooting Cisco Unified IP Phone Security
"Supporting 802.1X Authentication on Cisco
"Security Configuration Menu" section on
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.
"Security Configuration Menu"
for information on enabling 802.1X on the
1-23.
9-13