ZyXEL Communications P-660R-T1 Support Notes page 55

3. Using Multiple Global IP addresses for clients and servers (One-t
Many-to-One, Server Set mapping types are used)
In this case we have 3 IGAs (IGA1, IGA2 and IGA3) from the ISP. We have two very
busy internal FTP servers and also an internal general server for the web and mail. In
th is case, we want to assign the 3 IGAs by the following way using 4 NAT rules.
•
Rule 1 (One-to-One type) to map the FTP Server 1 with ILA1 (192.168.1.10)
to IGA1.
•
Rule 2 (One-to-One type) to map the FTP Server 2 with ILA2 (192.168.1.11)
to IGA2.
•
Rule 3 (Many-to-On
•
Rule 4 (Server type) to map a
(192.168.1.20) to IGA3. Type
different types, to other m
Step 1:
In this case, we need to configure Address Mapping Set 1 from Menu 15.1-Address
Mapping Sets. Therefore we must choose the Full F
fi eld in menu 4 or menu 11.3, and assign IGA3 to P-660 WAN IP Address.
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e type) to map the other clients to IGA3.
web server and mail server with ILA3
Server allows us to specify multiple servers, of
achines behind NAT on the LAN.
P-660 series Support Notes
eature option from the NAT
o-One,
54