Cisco 7970G Administration Manual page 187

Chapter 7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
Table 7-2 Status Messages on the Cisco Unified IP Phones 7970G/7971G-GE (continued)
Message
Disabled
DNS timeout
DNS unknown host
Duplicate IP
Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
OL-11524-01
Description
802.1X Authentication is
disabled on the phone.
DNS server did not respond.
DNS could not resolve the
name of the TFTP server or
Cisco Unified CallManager.
Another device is using the IP
address assigned to the phone.
Possible Explanation and Action
You can enable 802.1X authentication using
the Settings > Security Configuration >
802.1X Authentication option on the phone.
For more information, see the
Authentication and Status" section on
page 4-42.
Network is busy—The errors should
•
resolve themselves when the network
load reduces.
• No network connectivity between the
DNS server and the phone—Verify the
network connections.
DNS server is down—Check
•
configuration of DNS server.
Verify that the host names of the TFTP
•
server or Cisco Unified CallManager are
configured properly in DNS.
Consider using IP addresses rather than
•
host names.
If the phone has a static IP address, verify
•
that you have not assigned a duplicate IP
address. See the "Network Configuration
Menu" section on page 4-7
details.
If you are using DHCP, check the DHCP
•
server configuration.
Status Menu
"802.1X
section for
7-7