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Atlantis Land 111U User Manual

Page 53

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The following table summarizes these types:

Type

IP Mapping

One-to-One

ILA1 IGA1

Many-to-One (SUA/PAT)

ILA1 IGA1

ILA2 IGA1

Many-to-Many Overload

ILA1 IGA1

ILA2 IGA2

ILA3 IGA1

ILA4 IGA2

Many-to-Many No Overload ILA1 IGA1

ILA2 IGA2

ILA3 IGA3

Server

Server 1 IP IGA1

Server 2 IP IGA1

Server 3 IP IGA1

8.2 SUA (Single User Account) Versus NAT

SUA (Single User Account) is a implementation of a subset of NAT that supports two

types of mapping, Many-to-One and Server. The ADSL Router also supports Full

Feature NAT to map multiple global IP addresses to multiple private LAN IP addresses

of clients or servers using mapping types as outlined in.

8.3 Virtual Server and DMZ

A Virtual server set is a list of inside (behind NAT on the LAN) servers, for example,

web or FTP, that you can make visible to the outside world even though SUA makes

your whole inside network appear as a single computer to the outside world.

You may enter a single port number or a range of port numbers to be forwarded, and

the local IP address of the desired server. The port number identifies a service; for

example, web service is on port 80 and FTP on port 21. In some cases, such as for

unknown services or where one server can support more than one service (for