D-Link DSL-2875AL User Manual page 28

D-Link DSL-2870B Dual Band Wireless AC750 ADSL2+ Modem Router User Manual
Alternate DNS server: Enter the alternate DNS Server address used here.
Default Gateway / Interface: Select which interface's default gateway should be used for this entry.
Click the Apply button to accept the changes made.
Click the Cancel button to discard the changes made.
Web User Interface Configuration Page 28