Planet ADW-4401 User Manual download pdf (Page 53)

3.5 Service

In the navigation bar, click Service. In the Service page that is displayed contains DNS,

Firewall, UPNP, IGMP Proxy, TR-069, and ACL.

3.5.1 DNS

Domain Name System (DNS) is an Internet service that translates the domain name into

IP address. Because the domain name is alphabetic, it is easier to remember. The

Internet, however, is based on IP addresses. Every time you use a domain name, DNS

translates the name into the corresponding IP address. For example, the domain name

www.example.com might be translated to 198.105.232.4. The DNS has its own network. If

one DNS server does not know how to translate a particular domain name, it asks another

one, and so on, until the correct IP address is returned.

Choose Service > DNS. The DNS page that is displayed contains DNS and DDNS.

3.5.1.1 DNS

Click DNS in the left pane, the page shown in the following figure appears.

The following table describes the parameters and buttons of this page:

Field Description

Attain DNS Automatically

Select it, the router accepts the first received DNS

assignment from one of the PPPoA, PPPoE or MER

enabled PVC(s) during the connection establishment.

Set DNS Manually

Select it, enter the IP addresses of the primary and

secondary DNS server.

Apply Changes Click it to save the settings of this page.

Reset Selected

Click it to start configuring the parameters in this

page.

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Planet ADW-4401 User Manual Page 53