Cisco 7906G Administration Manual page 219

Chapter 9 Troubleshooting and Maintenance
Table 9-1
Problem
802.1X Enabled on Phone but Not Authenticating
Phone cannot obtain a DHCP-as-
signed IP address.
Phone does not register with
Cisco Unified CallManager.
Phone status display as "Configur-
ing IP" or "Registering".
802.1X Authentication Status
displays as "Held" (see the
Authentication and Status" section
on page
Status menu displays 802.1X status
as "Failed" (see the
section on page
Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager 5.1
OL-11515-01
Cisco Unified IP Phone Security Troubleshooting (continued)
"802.1X
4-36).
"Status Menu"
7-3).
Troubleshooting Cisco Unified IP Phone Security
Possible Cause
These errors typically indicate that
802.1X authentication is enabled on the
phone, but the phone is unable to
authenticate.
Verify that you have properly
1.
configured the required components
(see the "Supporting 802.1X
Authentication on Cisco Unified IP
Phones" section on page 1-19
more information).
Confirm that the shared secret is
2.
configured on the phone (see the
"802.1X Authentication and Status"
section on page 4-36
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.
for
for more
9-13