ZyXEL Communications P-2608HWL-D1 Support Notes page 34

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3. Using Multiple Global IP addresses for clients and servers (One-to-One, Many-to-One Server Set mapping
types are used)
In this example, we are given 3 IGAs (IGA1, IGA2 and IGA3) by the ISP. Two FTP and one web/mail servers
are on the local network. In this case, we configure the following NAT rules to map to the three IGAs.
5. Rule 1 (One-to-One type) maps the FTP Server 1 with ILA1 (192.168.1.10) to IGA1.
6. Rule 2 (One-to-One type) maps the FTP Server 2 with ILA2 (192.168.1.11) to IGA2.
7. Rule 3 (Many-to-One type) maps the other clients to IGA3.
8. Rule 4 (Server type) maps the web and mail server with ILA3 (192.168.1.20) to IGA3. The
Server rule type allows you to specify more then one inside servers behind NAT on the LAN.
Step 1:
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P-2608HWL Series Support Notes
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