ZyXEL Communications P-660 series Guia do Utilizador descarregar pdf (Página 78)

Chapter 6 Network Address Translation (NAT) Screens

P-660R-F1 Series User’s Guide

The following table summarizes these types.

6.2 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 ZyXEL Device 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 24 on page 78.

• Choose SUA Only if you have just one public WAN IP address for your ZyXEL Device.

• Choose Full Feature if you have multiple public WAN IP addresses for your ZyXEL Device.

Table 24 NAT Mapping Types

TYPE IP MAPPING

One-to-One ILA1ÅÆ IGA1

Many-to-One (SUA/PAT) ILA1ÅÆ IGA1

ILA2ÅÆ IGA1

…

Many-to-Many Overload ILA1ÅÆ IGA1

ILA2ÅÆ IGA2

ILA3ÅÆ IGA1

ILA4ÅÆ IGA2

…

Many-to-Many No Overload ILA1ÅÆ IGA1

ILA2ÅÆ IGA2

ILA3ÅÆ IGA3

…

Server Server 1 IPÅÆ IGA1

Server 2 IPÅÆ IGA1

Server 3 IPÅÆ IGA1

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 267 268

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ZyXEL Communications P-660 series Guia do Utilizador Página 78