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WR3000 4-Port Wireless DSL/Cable Router
®
75
9.1 NAT Overview - Continued
9.1.5 NAT Mapping Types
NAT supports fi ve types of IP/port mapping. They are:
> One to One:
In One-to-One mode, the WR3000 Wireless Router maps one local IP address
to one global IP address.
> Many to One:
In Many-to-One mode, the WR3000 Wireless Router maps multiple local
IP addresses to one global IP address. This is equivalent to SUA (i.e., PAT, port address
translation), ParkerVision’s Single User Account feature (the SUA Only option).
> Many to Many Overload:
In Many-to-Many Overload mode, the WR3000 Wireless Router
maps the multiple local IP addresses to shared global IP addresses.
> Many One to One:
In Many-One-to-One mode, the WR3000 Wireless Router maps each
local IP address to a unique global IP address.
> 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-One and Many-One-to-One NAT mapping types.
The following table summarizes these types.
TYPE
IP MAPPING
IP MAPPING
SMT ABBREVIATION
SMT ABBREVIATION
One-to-One
One-to-One
ILA1 < > IGA1
ILA1 < > IGA1
1-1
Many-to-One (SUA/PAT)
Many-to-One (SUA/PAT)
ILA1 < > IGA1
ILA1 < > IGA1
ILA2 < > IGA1
M-1
Many-to-Many Overload
Many-to-Many Overload
ILA1 < > IGA1
ILA1 < > IGA1
ILA2 < > IGA2
ILA3 < > IGA1
ILA4 < > IGA2
M-MOv
M-MOv
Many-One-to-One
Many-One-to-One
ILA1 < > IGA1
ILA1 < > IGA1
ILA2< > IGA2
ILA3< > IGA3
M-1-1
Server
Server
Server 1 IP< > IGA1
Server 1 IP< > IGA1
Server 2 IP< > IGA1
Server 3 IP< > IGA1
Server
Server