DNS Settings

Use the DNS Settings page to enable the DNS feature, configure the DNS servers and set the default domain used by the device. To configure the DNS Settings, follow these steps:

Procedure

Step 1

Click IP Configuration > DNS > DNS Settings.

Step 2

Enter the parameters.

  • DNS—Select to designate the device as a DNS client, which can resolve DNS names into IP addresses through one or more configured DNS servers.

  • Default Parameters—Enter the following default parameters:

    • Default Domain Name—Enter the DNS domain name used to complete unqualified host names. The device appends this to all non fully qualified domain names (NFQDNs) turning them into FQDNs.

      Note

      Don’t include the initial period that separates an unqualified name from the domain name (like cisco.com).

    • DHCP Domain Search List—Click Details to view the list of DNS servers configured on the device.

Step 3

Click Apply. The Running Configuration file is updated.

The DNS Server Table displays the following information for each DNS server configured:

  • DNS Server—The IP address of the DNS server.

  • Preference—Each server has a preference value, a lower value means a higher chance of being used.

  • Source—Source of the server’s IP address (static or DHCPv4 or DHCPv6)

Step 4

Up to eight DNS servers can be defined. To add a DNS server, click Add.

Step 5

Enter the parameters.

  • IP Version—Select Version 6 for IPv6 or Version 4 for IPv4.

  • DNS Server IP Address—Enter the DNS server IP address.

  • Preference—Select a value that determines the order in which the domains are used (from low to high). This effectively determines the order in which unqualified names are completed during DNS queries.

Step 6

Click Apply. The DNS server is saved to the Running Configuration file.