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Prestige 314 PLUS Broadband Sharing Gateway with 4-Port Switch
NAT 4-5
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-One mode, 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-One and Many One-to-One NAT mapping
types.
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
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