D-Link DIR-645 User Manual page 19

Section 3 - Software Configuration
Step 3: Internet Connection (Dynamic IP Address)
After selecting the Dynamic IP Address Internet connection method,
the following page will appear.
MAC Address: Enter the MAC address of the Internet gateway
(plugged into the Internet port of this device) here.
Clone Button: If the configuration PC also acts as the Internet
gateway, then click on the Clone Your PC's MAC
Address button to copy the PC's MAC address into
the space provided. If you're not sure, leave the
MAC Address field blank.
Host Name: Enter the host name used here. You may also need
to provide a Host Name. If you do not have or
know this information, please contact your ISP.
Primary DNS
Enter the Primary DNS IP address used here.
Address:
Secondary DNS
Enter the Secondary DNS IP address used here. This field is normally optional. Only one DNS address is required for a functional
Address:
Internet connection, but using a second DNS address provides more stability.
Click Next to continue.
D-Link DIR-645 User Manual 15