Few cable internet providers requires you to clone PC Mac address in order to go online through the router.
It is recommended to clone MAC address from last computer which was able to go online when connected to modem.
Please launch your browser and enter http://dlinkrouter.local
into the address bar. Then login and follow the steps below:
: Click Setting
: Click Advanced Setting
: Find Mac address clone field, then select one Mac address from the drop-down menu and click Save