ZyXEL P-660R Compact Series User Guide - Page 84
SUA Single User Account Versus NAT, NAT General Setup
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P-660R-D Series User's Guide Port numbers do NOT change for One-to-One and Many-to-Many No Overload NAT mapping types. The following table summarizes these types. Table 24 NAT Mapping Types TYPE One-to-One Many-to-One (SUA/PAT) Many-to-Many Overload Many-to-Many No Overload Server IP MAPPING ILA1ÅÆ IGA1 ILA1ÅÆ IGA1 ILA2ÅÆ IGA1 ... ILA1ÅÆ IGA1 ILA2ÅÆ IGA2 ILA3ÅÆ IGA1 ILA4ÅÆ IGA2 ... ILA1ÅÆ IGA1 ILA2ÅÆ IGA2 ILA3ÅÆ IGA3 ... Server 1 IPÅÆ IGA1 Server 2 IPÅÆ IGA1 Server 3 IPÅÆ IGA1 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 83. • 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. 6.3 NAT General Setup You must create a firewall rule in addition to setting up SUA/NAT, to allow traffic from the WAN to be forwarded through the ZyXEL Device. Click Network > NAT to open the following screen. Not all fields are available on all models. 83 Chapter 6 Network Address Translation (NAT) Screens