Using Nat; Sua (Single User Account) Versus Nat; Table 6-2 Nat Mapping Types - ZyXEL Communications Prestige 310 User Manual

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-One and Many-One-to-One NAT mapping
The following table summarizes these types.
TYPE
One-to-One
Many-to-One (SUA/PAT)
Many-to-Many Overload
Many-One-to-One
Server
6.2

Using NAT

6.2.1 SUA (Single User Account) Versus NAT

SUA (Single User Account) is a ZyNOS implementation of a subset of NAT that supports two types of
mapping, Many-to-One and Server. See section 6.3.1 for a detailed description of the NAT set for SUA.
Network Address Translation (NAT)
types.

Table 6-2 NAT Mapping Types

IP MAPPING
ILA1 IGA1
ILA1 IGA1
ILA2 IGA1
...
ILA1 IGA1
ILA2 IGA2
ILA3 IGA1
ILA4 IGA2
...
ILA1 IGA1
ILA2 IGA2
ILA3 IGA3
...
Server 1 IP
Server 2 IP
Server 3 IP
Prestige 310 Broadband Sharing Gateway
SMT ABBREVIATION
IGA1
IGA1
IGA1
1:1
M:1
M:M Ov
M:1:1
Server
6-5