Draytek Vigor2862 Series User Manual page 184

Info
When you finish the configuration, click OK to save the settings.
168
Restore to restore the backup and overwrite the existing
list.
Before you select Strict Bind, you have to bind one set of IP/MAC address for
one PC. If not, no one of the PCs can access into Internet. And the web user
interface of the router might not be accessed.
Vigor2862 Series User's Guide