Verify DNS Settings

Verify DNS Settings

Verify DNS Settings

To verify DNS settings, perform these steps.

 

Procedure

 

Step 1

Verify this setting by pressing Settings 

 

Step 2

Choose Network Configuration and scroll to the DNS Server 1 option.

 

Step 

Verify that a CNAME entry exists in the DNS server for the TFTP server and for the Cisco Unified Communications Manager system.

 

Step 4

Ensure that DNS is configured to do reverse look-ups.


    • Related Articles

    • Determine DNS or Connectivity Issues

      Determine DNS or Connectivity Issues If the phone continues to reset, follow these steps to eliminate DNS or other connectivity errors:   Procedure   Step 1 Use Erase to reset phone settings to their default values. See Cisco Unified IP Phone Reset ...
    • Network Settings

      Network Settings If you are not using DHCP in your network, you must configure these network settings on the  Cisco Unified IP Phone after installing the phone on the network:  IP address  IP subnet information (subnet mask for IPv4 and subnet prefix ...
    • Set DNS Server Fields

      Set DNS Server Fields Procedure Step 1 Unlock network configuration options. Step 2 Set the DHCP option to No. Step 3 Scroll to the appropriate DNS Server option, press Edit, and then enter a new DNS server IP address. Step 4 Press Validate. Step ...
    • DNS and Hostname Resolution with Cisco Business Edition 3000 system

      DNS and Hostname Resolution with Cisco Business Edition 3000 system  This document does not provide detailed information on DNS. You should have a thorough understanding of DNS before you use it with your Cisco Business Edition 3000 system. DNS is ...
    • Set IPv6 DNS Server 1 and IPv6 DNS Server 2 Fields

      Set IPv6 DNS Server 1 and IPv6 DNS Server 2 Fields Procedure Step 1 Unlock network configuration options. Step 2 Set the DHCPv6 option to No. Step 3 Scroll to the appropriate DNS Server option, press Edit, and then enter a new DNS server IP address. ...