ZyXEL P-314Plus User Guide - Page 67
Many to Many Overload, Many One-to-One, Server
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Prestige 314 PLUS Broadband Sharing Gateway with 4-Port Switch 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 One-to-One Many-to-One (SUA/PAT) Many-to-Many Overload Many-One-to-One Server IP MAPPING SMT ABBREVIATION ILA1 IGA1 1:1 ILA1 IGA1 M:1 ILA2 IGA1 ... ILA1 IGA1 M:M Ov ILA2 IGA2 ILA3 IGA1 ILA4 IGA2 ... ILA1 IGA1 M-1-1 ILA2 IGA2 ILA3 IGA3 ... Server 1 IP IGA1 Server Server 2 IP IGA1 Server 3 IP IGA1 NAT 4-5