Prestige 314 PLUS Broadband Sharing Gateway with 4-Port Switch

3.Many to Many Overload: In Many-to-Many Overload mode, the Prestige maps the multiple local IP addresses to shared global IP addresses.

4.Many One-to-One: In Many One-to-Onemode, the Prestige maps the each local IP addresses to unique global IP addresses.

5.Server: This type allows you to specify inside servers of different services behind the NAT to be accessible to the outside world.

Port numbers do not change for One-to-Oneand Many One-to-OneNAT mappingtypes.

The following table summarizes these types.

Table 4-2 NAT Mapping Types

TYPE

IP MAPPING

SMT ABBREVIATION

 

 

 

 

 

One-to-One

ILA1

IGA1

 

1:1

 

 

 

 

 

Many-to-One (SUA/PAT)

ILA1

IGA1

 

M:1

 

ILA2

IGA1

 

 

 

 

 

 

 

 

 

 

 

Many-to-Many Overload

ILA1

IGA1

 

M:M Ov

 

ILA2

IGA2

 

 

 

ILA3

IGA1

 

 

 

ILA4

IGA2

 

 

 

 

 

 

 

 

 

 

 

Many-One-to-One

ILA1

IGA1

 

M-1-1

 

ILA2

IGA2

 

 

 

ILA3

IGA3

 

 

 

 

 

 

 

 

 

 

Server

Server 1 IP

IGA1

Server

 

Server 2 IP

IGA1

 

 

Server 3 IP

IGA1

 

 

 

 

 

 

NAT

4-5