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ZyAIR Wireless Gateway Series User’s Guide
NAT 23-9
Figure 23-8 Menu 15.2 Port Forwarding Setup
Step 3. 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.
Step 4. 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.
Step 5. 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.
23.4 General NAT Examples
23.4.1 Example 1: Internet Access Only
In the following Internet access example, you only need one rule where your ILAs (Inside Local addresses)
all map to one dynamic IGA (Inside Global Address) assigned by your ISP.
Menu 15.2 – Port Forwarding Setup
Rule Start Port No. End Port No. IP Address
---------------------------------------------------
1. Default Default 0.0.0.0
2. 0 0 0.0.0.0
3. 0 0 0.0.0.0
4. 0 0 0.0.0.0
5. 0 0 0.0.0.0
6. 0 0 0.0.0.0
7. 0 0 0.0.0.0
8. 0 0 0.0.0.0
9. 0 0 0.0.0.0
10. 0 0 0.0.0.0
11. 0 0 0.0.0.0
12. 0 0 0.0.0.0
Press ENTER to Confirm or ESC to Cancel: