Draytek Vigor 3200 Series User Manual page 124

Item Description
MAC address for the router.
Specify a MAC Address: Some Cable service providers
specify a specific MAC address for access authentication. In
such cases you need to click the Specify a MAC Address and
enter the MAC address in the MAC Address field.
DNS Server IP Address - Type in the primary IP address for
the router if you want to use Static IP mode. If necessary, type
in secondary IP address for necessity in the future.
After finishing all the settings here, please click OK to activate them.
Vigor3200 Series User's Guide 114