Identify 802.1X Authentication Problems - Cisco 8800 Series Administration Manual

Troubleshooting Procedures

Identify 802.1X Authentication Problems

Procedure
Step 1
Verify that you have properly configured the required components.
Step 2 Confirm that the shared secret is configured on the phone.
• If the shared secret is configured, verify that you have the same shared secret on the authentication
server.
• If the shared secret is not configured on the phone, enter it, and ensure that it matches the shared secret
on the authentication server.
Verify DNS Settings
To verify DNS settings, follow these steps:
Procedure
Step 1 Press Applications.
Step 2 Select Administrator Settings > Network Setup > IPv4 Setup > DNS Server 1.
Step 3
You should also verify that a CNAME entry was made in the DNS server for the TFTP server and for the
Cisco Unified Communications Manager system.
You must also ensure that DNS is configured to do reverse lookups.
Start Service
Note A service must be activated before it can be started or stopped.
To start a service, follow these steps:
Procedure
Step 1 From Cisco Unified Communications Manager Administration, choose Cisco Unified Serviceability from
the Navigation drop-down list and click Go.
Step 2 Choose Tools > Control Center - Feature Services.
Step 3 Choose the primary Cisco Unified Communications Manager server from the Server drop-down list.
Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager
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