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Appendix F NAT
P-2304R-P1 Series User’s Guide
262
" Port numbers do not change for One-to-One and Many One-to-One NAT
mapping types.
The following table summarizes these types.
NAT Types
This section discusses the following NAT types that may be implemented on a router in front
of the ZyXEL Device.
• Full Cone
• Restricted Cone
• Port Restricted Cone
• Symmetric
Table 126 NAT Mapping Types
TYPE IP MAPPING 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