Zyxel-communications P-335WT Manual do Utilizador descarregar pdf (Página 146)

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101

P-335 Series User’s Guide

146 Chapter 9 Network Address Translation (NAT) Screens

• One to One: In One-to-One mode, the Prestige maps one local IP address to one global

IP address.

• Many to One: In Many-to-One mode, the Prestige maps multiple local IP addresses to

one global IP address. This is equivalent to SUA (i.e., PAT, port address translation),

ZyXEL’s Single User Account feature (the SUA Only option).

• Many-to-Many Overload: In Many-to-Many Overload mode, the Prestige maps the

multiple local IP addresses to shared global IP addresses.

• Many One-to-One: In Many-One-to-One mode, the Prestige maps each local IP address

to a unique global IP address.

• Server: This type allows you to specify inside servers of different services behind the

NAT to be accessible to the outside world.

Note: Port numbers do not change for One-to-One and Many

One-to-One NAT mapping types.

The following table summarizes these types.

Table 44 NAT Mapping Types

TYPE IP MAPPING SMT ABBREVIATION

One-to-One ILA1ÅÆ IGA1 1-1

Many-to-One (SUA/PAT) ILA1ÅÆ IGA1

ILA2ÅÆ IGA1

…

M-1

Many-to-Many Overload ILA1ÅÆ IGA1

ILA2ÅÆ IGA2

ILA3ÅÆ IGA1

ILA4ÅÆ IGA2

…

M-M Ov

Many One-to-One ILA1ÅÆ IGA1

ILA2ÅÆ IGA2

ILA3ÅÆ IGA3

…

M-1-1

Server Server 1 IPÅÆ IGA1

Server 2 IPÅÆ IGA1

Server 3 IPÅÆ IGA1

Server

1 2 ... 141 142 143 144 145 146 147 148 149 150 151 ... 508 509

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