Table 11-2 Nat Mapping Types - ZyXEL Communications Prestige 202H 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-to-Many No Overload NAT
The following table summarizes these types.
One-to-One
Many-to-One (SUA/PAT)
Many-to-Many Overload
Many-to-Many No Overload
Server
11.1.6 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 11.3.1 for a detailed description of the NAT set for SUA.
The Prestige 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 Table 11-2.
Dial-in Setup
mapping types.

Table 11-2 NAT Mapping Types

TYPE
ILA1
ILA1
ILA2
...
ILA1
ILA2
ILA3
ILA4
...
ILA1
ILA2
ILA3
...
Server 1 IP
Server 2 IP
Server 3 IP
IP MAPPING SMT ABBREVIATION
IGA1
IGA1
IGA1
IGA1
IGA2
IGA1
IGA2
IGA1
IGA2
IGA3
IGA1
IGA1
IGA1
Prestige 202H User's Guide
1:1
M:1
M:M Ov
M:M No OV
Server
11-5