D-Link DSL-504 Product Manual - Page 21

Leased Time, DNS Server IP, Domain Name, State, NAT Configuration

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DSL-504 ADSL Router User's Guide Leased Time The specified amount of time (in seconds) a client can lease an IP address, from the dynamically allocated IP pool. A value of 4123456789 means the lease is permanent. DNS Server IP Domain Name Service (DNS) servers are used on the Internet to match the Uniform Resource Locator (URL) for a website to its Internet IP address. For example, the URL: www.cnn.com, is a pseudonym for the IP address: 207.25.71.25. DNS entries allow users to access resources using URLs instead of IP addresses. You may enter any Internet DNS server IP address available through the WAN connection. Your ISP should provide this address. (Note that without a DNS server IP, internet sites will only be available using IP addresses and will not be available using URLs). Domain Name You can use this field to define a domain name to be used inside your network. This is not used outside the LAN. Hosts linked to the Router within the LAN only see it. State This toggle Disable and Enable for DHCP function. NAT Configuration NAT Configuration Window Network Address Translation (NAT) is a routing protocol that allows your network to become a private network that is isolated from, yet connected to the Internet. It does this by changing the IP address of packets from a global IP address usable on the Internet to a local IP address usable on your private 15

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DSL-504 ADSL Router User’s Guide
15
Leased Time
The specified amount of time (in seconds) a client can lease an IP address, from
the dynamically allocated IP pool. A value of 4123456789 means the lease is
permanent.
DNS Server IP
Domain Name Service (DNS) servers are used on the Internet to match the
Uniform Resource Locator (URL) for a website to its Internet IP address.
For
example, the URL: www.cnn.com, is a pseudonym for the IP address:
207.25.71.25.
DNS entries allow users to access resources using URLs instead of
IP addresses.
You may enter any Internet DNS server IP address available through the WAN
connection.
Your ISP should provide this address.
(Note that without a DNS
server IP, internet sites will only be available using IP addresses and will not be
available using URLs).
Domain Name
You can use this field to define a domain name to be used inside your network.
This is not used outside the LAN. Hosts linked to the Router within the LAN only
see it.
State
This toggle
Disable
and
Enable
for DHCP function.
NAT Configuration
NAT Configuration Window
Network Address Translation (NAT) is a routing protocol that allows your
network to become a
private
network that is isolated from, yet connected to the
Internet. It does this by changing the IP address of packets from a
global
IP
address usable on the Internet to a
local
IP address usable on your private