ZyXEL Communications P-861H-G1, User Manual, Page: 180 / 341

Prestige 861H Series User’s Guide
179 Chapter 20 Network Address Translation (NAT)
20.4 Configuring a Server behind NAT
Follow these steps to configure a server behind NAT:
1 Enter 15 in the main menu to go to Menu 15 - NAT Setup .
2 Enter 2 to display Menu 15.2 - NAT Server Sets as shown next.
Figure 105 Menu 15.2 NAT Server Setup
Menu 15.2 - NAT Server Sets
1. Server Set 1 (Used for SUA Only)
2. Server Set 2
3. Server Set 3
4. Server Set 4
5. Server Set 5
6. Server Set 6
7. Server Set 7
8. Server Set 8
9. Server Set 9
10. Server Set 10
Enter Set Number to Edit:
3 Enter 1 to go to Menu 15.2.1 NAT Server Setup as follows.
Figure 106 Menu 15.2.1 NAT Server Setup
Menu 15.2 - NAT Server Setup
Rule Start Port No. End Port No. IP Address
---------------------------------------------------
1. Default Default 0.0.0.0
2. 21 21 192.168.1.33
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:
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.