ZyXEL Communications P-660HN-TxA - Manual (Page 149)

Chapter 9 Network Address Translation (NAT)
P-660HN-TxA User’s Guide
149
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 48 NAT Mapping Types
TYPE IP MAPPING
One-to-One ILA1 IGA1
Many-to-One (SUA/PAT) ILA1 IGA1
ILA2 IGA1
…
Many-to-Many Overload ILA1 IGA1
ILA2 IGA2
ILA3 IGA1
ILA4 IGA2
…
Many-to-Many No Overload ILA1 IGA1
ILA2 IGA2
ILA3 IGA3
…
Server Server 1 IP IGA1
Server 2 IP IGA1
Server 3 IP IGA1