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102 NB712 / NB714 User Guide
YML829 Rev1
14.16.8 LAN
LAN interface parameters can be configured LAN IP address, subnet mask and NAT network type.
>> address LAN IP address and subnet mask
attrib NAT network type
14.16.9 IP share
You can configure Network Address Translation (NAT), Port Address Translation (PAT) and Demilitarized Zone
parameters in ip_share menu. Move the cursor “>>” to ip_share then press enter.
>> nat Configure network address translation
pat Configure port address translation
dmz Configure DMZ host function
NAT (Network Address Translation) is the translation of an Internet Protocol address (IP address) used within one
network to a different IP address known within another network. One network is designated the inside network
and the other is the outside. Typically, a company maps its local inside network addresses to one or more global
outside IP addresses and reverse the global IP addresses of incoming packets back into local IP addresses. This
ensure security since each outgoing or incoming request must go through a translation process, that also offers
the opportunity to qualify or authenticate the request or match it to a previous request. NAT also conserves on
the number of global IP addresses that a company needs and lets the company to use a single IP address of its
communication in the Internet world.
DMZ (demilitarized zone) is a computer host or small network inserted as a “neutral zone” between a company
private network and the outside public network. It prevents outside users from getting direct access to a server
that has company private data.