Compex Technologies NP25G 6C - Manual (Page 78)

Page 73
Use DNS Redirection
When you enter a URL in your Internet browser, the browser requests for
a name-to-IP address translation from the Domain Name System (DNS)
servers to be able to locate the web server hosting the website you
want to access.
The DNS server, in turn, looks for the answer in its local cache and if an
appropriate entry is found, sends back this cached IP address to the
browser. Otherwise, it would have to contact other DNS servers until the
query can be resolved.
When you enable the DNS Redirection feature, the router will process
DNS requests from the LAN clients. Unless in the router's LAN Setup you
have already assigned a specific DNS server that should always be
used, the router would contact the DNS server allocated by your ISP to
resolve DNS requests.
When DNS Redirection is enabled, the DNS server used by the router
would override the one defined in the TCP/IP settings of the LAN clients.
This allows the router to direct DNS requests from the LAN to a local or
to a closer DNS server it knows of, thus improving response time.
The DNS Redirection feature also provides better control to the network
administrator. In case of a change in DNS servers, the latter can just
indicate the IP address of the actual DNS server in the router's LAN
Setup and enable DNS Redirection, without having to re-configure the
DNS settings of each LAN client.