Figure 119 Menu 15.2.1 Nat Server Setup; Figure 120 Multiple Servers Behind Nat Example - ZyXEL Communications P-202H V2 User Manual

P-202H Plus v2 User's Guide
3 Enter 1 to go to Menu 15.2.1 NAT Server Setup as follows.

Figure 119 Menu 15.2.1 NAT Server Setup

Rule
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1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
4 Enter a port number in an unused Start Port No field. To forward only one port, enter it
again in the End Port No field. To specify a range of ports, enter the last port to be
forwarded in the End Port No field.
5 Enter the inside IP address of the server in the IP Address field. In the following figure,
you have a computer acting as an FTP, Telnet and SMTP server (ports 21, 23 and 25) at
192.168.1.33.
6 Press [ENTER] at the "Press ENTER to confirm ..." prompt to save your configuration
after you define all the servers or press [ESC] at any time to cancel.
You assign the private network IP addresses. The NAT network appears as a single host on the
Internet. A is the FTP/Telnet/SMTP server.

Figure 120 Multiple Servers Behind NAT Example

221
Menu 15.2.1 - NAT Server Setup
Start Port No. End Port No.
Default
21
0
0
0
0
0
0
0
0
0
0
Press ENTER to Confirm or ESC to Cancel:
IP Address
Default 0.0.0.0
25 192.168.1.33
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
Chapter 23 Network Address Translation (NAT)