Nat - Planet XRT-401F User Manual

3.4 NAT

Network Address Translation (NAT) allows multiple users at your local site to access the Internet
through a single Public IP Address or multiple Public IP Addresses. NAT provides Firewall
protection from hacker attacks and has the flexibility to allow you to map Private IP Addresses to
Public IP Addresses for key services such as Websites and FTP. To meet various field applications,
XRT-401F NAT function can be disabled to as a regular router. If NAT is disabled, all LAN side
workstations must have valid IP addresses for Internet access. If the router is used for routing
application, not for Internet access, then the NAT function can be disabled.
Parameter
3.4.1 Virtual Server
3.4.2 Port Triggering
3.4.3 Port Mpping
3.4.4 Passthrough
3.4.5 DMZ
You can have different services (e.g. email, FTP, Web
etc.) going to different service servers/clients in your LAN. The
Virtual Server allows you to re-direct a particular service port
number (from the Internet/WAN Port) to a particular LAN IP
address and its service port number.
Some applications require multiple connections, such as
Internet games, video conferencing, Internet telephony
and others. In this section you can configure the router
to support these types of applications.
You can have different services (e.g. email, FTP, Web
etc.) going to different service servers/clients in your LAN. The
Port Forwarding allows you to re-direct a particular range of
service port numbers (from the Internet/WAN Ports) to a
particular LAN IP address.
You can select special applications that need "Passthrough" to
support here.
The DMZ function allows you to re-direct all packets
going to your WAN port IP address to a particular IP
address in your LAN.
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