D-Link DSL-200 - 8 Mbps DSL Modem User Manual download pdf (Page 59)

Appendix A – Troubleshooting

D-Link DSL-2640U User Manual

DNS

To access the DNS windows, click the DNS button in the Advanced Setup directory. The DNS button appears when configuring WAN interface in

PPPoA, PPPoE, MER or IPoA.

DNS Server

If you have not been given specific DNS server IP addresses or if the

Router is not pre-configured with DNS server information, tick the Enable

Automatic Assigned DNS checkbox. Auto discovery DNS instructs the

Router to automatically obtain the DNS IP address from the ISP through

DHCP. If your WAN connection uses a Static IP address, auto discovery

for DNS cannot be used.

If you have DNS IP addresses provided by your ISP, deselect the Enable

Automatic Assigned DNS checkbox and enter these IP addresses in the

available entry fields for the Primary DNS Server and the Secondary DNS

Server. Click the Save button when you are finished.

Dynamic DNS

The Router supports Dynamic DNS (Dynamic Domain Name Service).

The Dynamic DNS service allows a dynamic public IP address to be

associated with a static host name in any of the many domains, allowing

access to a specified host from various locations on the Internet. This is

enabled to allow remote access to a host by clicking a hyperlinked URL in

the form hostname.dyndns.org, Many ISPs assign public IP addresses

using DHCP, this can make it difficult to locate a specific host on the LAN

using standard DNS. If for example you are running a public web server or

VPN server on your LAN, this ensures that the host can be located from

the Internet if the public IP address changes. DDNS requires that an

account be setup with one of the supported DDNS providers.

Click Add to see the Add DDNS Settings section.

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D-Link DSL-200 - 8 Mbps DSL Modem User Manual Page 59