User manual

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(ii) DNS Server
A DNS (Domain Name Service) server translates between a domain name (such as
google.com) and an IP address (74.125.31.105). Configure the NAS to obtain a DNS
server address automatically or specify the IP address of a DNS server.
Primary DNS Server: Enter the IP address of the primary DNS server.
Secondary DNS Server: Enter the IP address of the secondary DNS server.
Note:
Please contact the ISP or network administrator for the IP address of the primary
and the secondary DNS servers. When the NAS plays the role as a terminal and
needs to perform independent connection, for example, BT download, enter at least
one DNS server IP for proper URL connection. Otherwise, the function may not work
properly.
If you select to obtain the IP address by DHCP, there is no need to configure the
primary and the secondary DNS servers. In this case, enter “0.0.0.0”.