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ZyAIR Wireless Gateway Series User’s Guide
SUA/NAT 9-5
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
types.
The following table summarizes these types.
Table 9-2 NAT Mapping Types
TYPE IP MAPPING SMT ABBREVIATION
One-to-One ILA1 IGA1 1-1
Many-to-One (SUA/PAT) ILA1 IGA1
ILA2 IGA1
…
M-1
Many-to-Many Overload ILA1 IGA1
ILA2 IGA2
ILA3 IGA1
ILA4 IGA2
…
M-M Ov
Many-One-to-One ILA1 IGA1
ILA2 IGA2
ILA3 IGA3
…
M-1-1
Server Server 1 IP IGA1
Server 2 IP IGA1
Server 3 IP IGA1
Server
9.1.6 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. The ZyAIR also supports Full Feature NAT to map multiple global IP
addresses to multiple private LAN IP addresses of clients or servers using mapping types. Select either SUA
Only or Full Feature in WAN IP.