Cisco 7906G Administration Guide - Page 184

Status Menu Chapter 7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone Table 7-3 Status Messages on the Cisco Unified IP Phones 7906G and 7911G (continued) Message Disabled DNS timeout DNS unknown host Duplicate IP Description Possible Explanation and Action 802.1X Authentication is disabled on the phone. You can enable 802.1X using the Settings > Security Configuration > 802.1X Authentication option on the phone. For more information, see the "802.1X Authentication and Status" section on page 4-43. DNS server did not respond. • 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. DNS could not resolve the name of the TFTP server or Cisco Unified Communications Manager. • Verify that the host names of the TFTP server or Cisco Unified Communications Manager are configured properly in DNS. • Consider using IP addresses rather than host names. Another device is using the IP address assigned to the phone. • 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 section for details. • If you are using DHCP, check the DHCP server configuration. Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.1 7-8 OL-14585-01