The FW3000 automatically selects a Domain Name Server (DNS). This tab allows you to manually assign up to two DNS IP addresses.
Turn on manual DNS: Check this box to manually select a DNS.
DNS 1 IP address: Enter the IP address for the primary DNS. This address is required to use the Manual DNS feature.
DNS 2 IP address: Enter the IP address for the secondary (backup) DNS. This address is optional and may be left blank if desired.
Click Save Changes.